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LG B9 (OLED B9) vs B8 (OLED B8) Review (OLED55B9 vs OLED55B8, OLED65B9 vs OLED65B8)

by on September 21, 2019
 



LG B9 vs B8 Review

The LG B9 or OLED B9 is the lowest series of the LG’s 2019 OLED TV lineup. Meanwhile, looking at its name, we can easily guess that the LG B8 or OLED B8 is the predecessor of the LG B9 or also the lowest series of the LG’s 2018 OLED TV lineup. In the market, they both are launched with two screen sizes option, 55 inches (OLED55B9PUA vs OLED55B8PUA) and 65 inches (OLED65B9PUA vs OLED65B8PUA). Meanwhile, with the same price, the price of the OLED B9 is relatively more expensive than the OLED B8. Nevertheless, this is mainly due to the price of the OLED B8 has dropped a lot because it is the 2018 model.

Keep in mind, in the last few years, there is no significant improvement in picture quality offered by the newer model of OLED TV from the older model, even if the top model is compared to the lowest model. The difference is only about their peak brightness, but not too significant. This means, since all OLED TV use the OLED panel with the same technical platform, can be ascertained that all OLED TVs have almost similar picture quality. Meanwhile, by year from year, the improvement and changes are only about the features and design. And this is also as true to the LG B series including OLED B8 and B9.

Specs and Features of LG B9 and B8

LG B9 vs B8 Specification

Specs and Features LG B9 LG B8
Resolution 4K (2160 x 3840) 4K (2160 x 3840)
Screen Type Flat Flat
Screen Sizes Available 55 Inches (OLED55B9PUA), 65 Inches (OLED65B9PUA) 55 Inches (OLED55B8PUA), 65 Inches (OLED65B8PUA)
Panel Type OLED OLED
Dimming Pixel Level Dimming Pixel Level Dimming
Picture Engine Alpha 7 Gen 2 Processor Alpha 7 Processor
HDR Format Supports Dolby Vision, Advanced HDR, HDR10, HLG Dolby Vision, Advanced HDR, HDR10, HLG
HDR Enhancement 4K Cinema HDR, HDR Dynamic Tone Mapping Pro 4K Cinema HDR
Contrast Enhancement Object Depth Enhancer, Ultra Luminance Pro Ultra Luminance Pro
Color Enhancement Intense Color, Billion Rich Colors, Advanced Color Enhancer, True Color Accuracy Pro, 4 Colors Sub Pixel Intense Color, Billion Rich Colors, True Color Accuracy Pro, 4 Colors Sub Pixel
Clarity Enhancement Quad Step Noise Reduction, Frequency Based Sharpness Enhancer Dual Step Noise Reduction
4K Up-scaling 4K Up-Scaler 4K Up-Scaler
Refresh Rate Panel Native 120 Hz Native 120 Hz
Variable Refresh Rate Support YED (HDMI Forum VRR). No
Platform WebOS 4.5 WebOS 4.0
Features LG ThinQ AI, Google Assistant, Google Home, Amazon Alexa, Intelligence Voice Recognition, Home Dash Board LG ThinQ AI, Google Assistant, Google Home, Amazon Alexa, Intelligence Voice Recognition
LG Magic Remote 2019 Model 2018 model
HDMI 4 4
HDMI Supports HDMI 2.1 Full bandwidth (All), HDMI 2.0 Full bandwidth (All), HDCP 2.2 (All), ARC (HDMI 2) HDMI 2.0 Full bandwidth (All), HDCP 2.2 (All), ARC (HDMI 2)
USB 3 3
Ethernet 1 1
RF (Terrestrial Cable) 1 1
Composite In (AV) 1 1
Component In No No
Wi-Fi Built In 802.11ac 802.11ac
Channel 2.2 2.2 Channel
Total Audio Output 40 Watt(WF : 20 Watts) 40 Watt(WF : 20 Watts)
Dolby Atmos Support Yes Yes

LG B8 vs B9 Features

The Differences between LG B9 from the LG B8?

Design

At a glance, the LG B9 and B8 actually have almost similar design. Their stands look very similar, but are made of different material. If the stand of LG B8 is made of metal, the stand of B9 is made of plastic. Their stands are equally quite narrow, allow you to place them on most table. Nevertheless, the use of metal makes the stand of B8 supports the TV sturdier and has less wobble than the stand of B9 that made of plastic. Meanwhile, from the back, they also look similar. Their back is equally plain. The upper part of both is made of metal and the bottom is made of plastic. In their bottom part, all of the electronics components and connectivity are housed. The difference is about their tint where the back of the LG B9 is darker than the back of LG B8. The cable management is very simple with the service of the aid of a little clip on the back,

Image Processor

The one of the major improvements brought by the LG B9 from the predecessor B8 is about their picture engine. As we see on comparison table above, the LG B8 is powered by Alpha 7 Intelligence processor, while the LG B9 is powered by the Alpha 2 Gen 2, the successor of Alpha 7 processor. But even so, not described in details in their official websites, what’s the difference between them.  Nevertheless, surely, the Alpha 7 Gen 2 chipset is able to provide some AI-Related Features and more abilities for the LG B9. On the other hand, the LG B8 doesn’t yet have this ability. The AI may have been applied on the OLED B8, but it is just limited for its smart TV.

Smooth Gradation

For noise reduction, the LG B9 already uses Quad Step process thanks to the Alpha 7 Gen 2 chipset. On the other hand, the limited processing power of the Alpha 7 chipset make the LG B8 is only able to use dual step processing that involving the application of de-contouring filter and compression artifacts removal. Meanwhile, the B9 may still uses two filters (involving the application of de-contouring filter and compression artifacts removal), but each of filter is done in two passes. The quad Step Noise Reduction actually has been applied on the Alpha 9 chipset found on the LG C9 or higher series. Nevertheless, the difference, if on the Alpha 9 chipset, the two filters are applied simultaneous, on the Alpha 7 Gen 2 chipset, they are applied separately like that applied on the Alpha 9 Gen 2 chipset. This allows the LG B9 is able to remove in-source posterization artifacts without obfuscating fine details in high quality sources by setting the “Smooth Gradation” feature.  On the other hand, the B* doesn’t has “Smooth Gradation” feature and only has “MPEG Noise Reduction”. Setting this feature also can be used to remove in-source posterization artifacts. But just we have mentioned, since the two filters are applied simultaneously, this will obfuscate fine details in high quality sources.

Control over White Sub-pixel Boosting

The LG B9 has a new “Peak Brightness” setting that allows you to adjust the white sub-pixel boosting through the user menu. By setting this menu, this will affect on how its ABL performs. There for options to set this menu, which is “Off”, Low”, “Med”, and “High”. Increasing this setting will increases peak brightness of small highlight. On the other hand, the B8 actually also allows you to control its white sub-pixel boosting and the value is also no change. But even so, to set its white-sub-pixel boosting, you must go through the service menu.

HDMI 2.1 Full Bandwidth, eARC and ALLM

One of the improvements brought by the LG B9 from the predecessor LG B8 is on their HDMI ability. Now, the HDMI ports of the LG B9 already support HDMI 2.1 Full Bandwidth. On the other hand, HDMI ports of LG B8 only support HDMI 2.0.This allows the OLED B9 can accept HFR (High Frame Rate) signal like 4K @120 Hz through HDMI ports. On the other hand, the LG B8 may be already support 4K HFR because it has HEVC decoder conforming to the Main10 profile at level 5.2.Nevertheless, it can accept HFR signal via USB and streaming only, while the bandwidth limitation of HDMI 2.0 doesn’t allow its HDMI ports accept HFR signal.

Additionally, one of HDMI ports of LG B9 (HDMI 2) also already supports eARC (enhanced Audio Return Channel).  This allows the TV is able to send higher audio quality like Dolby Atmos that is encoded in Dolby TrueHD or DTS:X that is encoded in DTS-HD MA. On the other hand, the LG B8 only supports ARC Audio Return Channel). And of course, the bandwidth limitation of ARC allows it is only able to send lower audio quality 5.1 DTS, 5.1 Dolby Digital, and others.

Furthermore, the HDMI ports of LG B9 also already support ALLM (Auto Low Latency Mode). This allows it can automatically switch to low latency mode like Game Mode once it detects game signal from a game console. On the other hand, the LG B8 doesn’t support ALLM. So, when you are playing game with a game console, to get fastest responsively, you must switch it to Game Mode manually.

Variable Refresh Rate Support

The LG B8 and B9 both may have same native refresh rate panel, which is 120 Hz. The difference, the LG B9 also already supports HDMI Forum VRR (Variable Refresh Rate) Technology while the LG B8 doesn’t supports. You need to know, the VRR technology allows you to play with nearly screen tearing-free. But unfortunately, HDMI Forum VRR is not compatible with FreeSync or GSync. Additionally, there are not a lot of devices that already support this VRR format and currently, so far, there is only X Box One that already supports this Format. Of course, with a devices that doesn’t support HDMI Forum, you will not get the benefits that offered by this VRR technology when play game.

Smart TV Platform

WebOS 4.0 vs WebOS 4.5

The LG B8 and B9 (both run WebOS as their smart TV platform. The difference, the LG OLED B9 runs 4.5 versions while the OLED B8 runs 4.0 versions. Nevertheless, actually, there is not major change brought by the 4.5 versions from the 4.0 versions. Their interface is equally intuitive, simple and easy to use without any serious bug.  There are wide selections of pre-installed apps such as Netflix, Amazon Videos, Hulu, and others, Web Browser, Live TVs, Games, and many more. Additionally, even though not as many as what provided by the Google Play Store as the play store of Android TV or Samsung’s apps store as the apps store of Tizen OS, you can also always download huge selections of apps at LG’s apps store. Additionally, both of these versions have been also integrated with LG ThinQ AI. But even so, even though in general, there is not major change brought by the 4.5 version from the 4.0 version, the 4.5 version still brings some new smart features. One of them is Home Dashboard or Smart ThinQ that allows the B9 can interact well with other LG applications. This feature has similar function to the SmartThings found on Samsung TV. Additionally, these platforms may already support Amazon Alexa and Google Home, but the differences, on the OLED B9, they are built in, while on the OLED B8, you have to purchase additional devices.

Remote

LG Remote 2018 and 2019

As their controller, the LG B9 comes with the 2019 model of LG’s Magic Remote, the same remote that also found on the LG C9 and E9. On the other hand, the LG B8 comes with the 2018 model of LG’s magic remote, the same remote that also found on the LG C8 and E8. At a glance, they look almost the same also with the same button layout. They both have two dedicated buttons that give you direct access to Netflix and Amazon Prime. Nevertheless, some buttons of the 2019 model have function change from the 2018 model. Furthermore, overall, these remotes also have almost the same features. They both have built-in microphone that allows you to give voice commands. Additionally, both of them also have the excellent “point and click” feature that allows them can act as the pointer. This allows you to move the cursor by moving the remote. Combination this ability and a “clickable” scroll wheel at the center of the remote makes the navigation is extremely easy. Meanwhile, the 2019 model brings some add new features. Now, it has a feature like OneRemote on Samsung TVs, allow it can work as universal remote with other devices over IR. This means, not only CEC compatible devices that can be controlled

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LG OLED B9 LG OLED B8
55 Inches OLED55B9PUA on Amazon OLED55B8PUA on Amazon
65 Inches OLED65B9PUA on Amazon OLED55B8PUA on Amazon
77 Inches OLED77B9PUA on Amazon

The Similarities between the LG B8 and B9

Panel Technology

WRGB OLED

Even though the LG OLED B9 is the 2019 model of LG 4K OLED TV and LG B8 is the 2018 model, but there is no significant improvement in their OLED panel brought by the B9 from the B8. With other words, they use the OLED panel that have similar technical platform. The impact, there is no significant improvement in picture quality offered by the B9 from the B8, particularly that influenced by their panel performance like black level, color gamut, side viewing angle, or pixel response time. As we have known, the OLED panel has some advantages than LCD/LED TV. In addition to it has infinite native contrast ratio that allows it can produce nearly-perfect black, OLED panel also has instantaneous pixel response time and excellent side viewing angle coverage. But even so, usually, OLED panel is not as bright as LED/LCD TV, particularly when compared to premium LED TVs which have similarity in price. Additionally, the OLED panel also has permanent burn in risk, particularly when it is showing static images for long time.

HDR Supports

The LG B8 and B9 support the same HDR formats. Most of HDR formats which available have been supported by them. In addition to HDR10, a static HDR format by UHD Alliance, they both also support HLG (Hybrid Log Gamma). As we know, HDR10 is a HDR format that developed by NHK and BBC for TV broadcasting purpose. Furthermore, they both also support Dolby Vision, a proprietary HDR format by Dolby Laboratories that already uses dynamic metadata. But unfortunately, the both don’t support HDR10+, the other dynamic HDR format developed by Samsung and its Alliance.

Motion Technology

Just we have mentioned above, the LG B9 and B8 both have native 120 Hz refresh rate panel. Meanwhile, for maximizing its performance in handling motion, they both are powered by the Motion Rate 240 Hz. Since they both have native 120 Hz refresh rate panel, the both can play up to 120 Hz content (1080p and 1440p) resolution. Additionally, they both are also able to interpolate lower frame content up to 120 Hz.

By default, since they both don’t have backlight, they don’t use PWM (Pulse Width Modulation). The result, their screen is almost flicker-free. But even so, if needed, they both also have an optional BFI (Black Frame Insertion) mode. By enabling this feature, this will make their screen flickers at 60 Hz. This can help to make the motion looks crisper, particularly when they are 60 fps content like sports or video games.  But at the same time, this also makes their screen is more noticeable, particularly for the people who sensitive to judder.

Connectivity

The LG B8 and B9 are equipped with the same connectivity. They both have 4 HDMI ports as their major connectivity. Except we have discussed above about HDMI 2.1, ALLM, and eARC, the HDMI ports of both are same. They both also support HDMI 2.0 Full Bandwidth, HDCP 2.2, CEC, and ARC (HDMI 2). Additionally the both also have 3 USB ports. But even so, none of them is USB 3.0 that means all of them are USB 2.0. Furthermore, they both also have 1 Tuner In (RF In), 1 Composite In (AV In, included adapter), 1 Digital Audio Out (Optical), 1 Analog Audio Out (Mini Jack 3.5 mm), and 1 Ethernet port. And as their wireless connectivity, they both have wireless WI-FI 802.11ac and Bluetooth.

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LG OLED B9 LG OLED B8
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65 Inches OLED65B9PUA on Amazon OLED55B8PUA on Amazon
77 Inches OLED77B9PUA on Amazon

LG B9 vs B8 Performance

Contrast and Black Level

OLED Black Level

Just like we have mentioned above, one of the major advantages of the OLED TVs than the LED TVs is about its infinite contrast ratio. Since the OLED TV has individual self-lighting pixel, this allows each pixel of OLED panel is able to switch on/off/dim individually without affected the condition of other pixel surrounding. Additionally, the light source of OLED panel is their own pixels, allows the OLED panel doesn’t require backlight. Technically, when it is showing blacks, the pixels in black area are switched off, so there is no any light at all emitted from the dark area. The result, black produced by OLED TV is nearly perfect. Additionally, this also makes the OLED TV has great black uniformity. Combination of nearly-perfect black and excellent black uniformity certainly makes dark scene displayed on the screen of the LG B8 and B9 looks really excellent, even when they are set in a dark environment. Additionally, their black level is also perfect to show shadow details of HDR images excellently the way they should in HDR.

Winner: Draw

Local Dimming Performance

OLED-vs-LED-black-levels

The image is only an illustration

 

As we have mentioned, the OLED doesn’t have backlight that means both LG B9 and B8 also don’t have local dimming. But even so, they both have individual self-lighting pixel that allows them has pixel dimming level. This is equal to the Full Array Local Dimming on LED TV with the number of dimming zones is equal to number of pixel. This makes the lighting of their panel is extremely precise. The result, when they are showing highlight, there is no blooming visible around the bright object. This can be seen when you are watching movies with subtitle where the subtitle can be shown perfectly on their screen.

Winner: Draw

SDR Peak Brightness

The LG B9 as a newer model brings a bit improvement in SDR peak brightness from the predecessor LG B8. With real scene, the OLED B8 hit around 290 nits, while the OLED B9 can hit around 40 nits brighter. Nevertheless, with a windows test, peak brightness reached by them has difference in behavior. Except 100% window or when they showing the entire screen is bright, peak brightness that hit by the LG B8 is relatively consistent, which are around 300 nits. But unfortunately, on 100% window, its peak brightness is dimmed by its ABL (Automatic Brightness Limiter) to prevent excessive power consumption.

Just we have mentioned, with a window test, peak brightness of the LG B9 has different behavior to the LG B8 where in each window, peak brightness reached by the OLED B9 is relatively different. On 2% and 10% window (2% or 10% of the screen is bright while the rest is black), the LG B9 hits its brightest peak brightness, which is around 400 nits. Nevertheless, the larger area of the screen get bright, their peak brightness is dim significantly where on 25% window, it hits around 370 nits, on 50% is around 320 nits, and on 100% is around 200 nits.

But even so, although their peak brightness has difference in behavior, but overall, their SDR peak brightness is bright enough to overcome the glare in average-lit or dim room. And combined to their good reflection handling, this certainly makes their bright room performance is also good. This ensures you to watch TV in fairly bright room without the distracting glare or reflections.

Winner: LG B9

HDR Peak Brightness

With HDR content, the both of them may be able to get brighter peak brightness than with SDR content. But for this time, the LG B8 can get a bit brighter peak brightness than the LG B9. With real content, the OLED B9 may only get a bit brighter where it hits around 550 nits while the B9 hits around 525 nits. But with windows test, the B8 can get around 80 nits brighter than the B9, particularly on small windows size or when they showing highlight. Nevertheless, peak brightness reached by them has the same behavior where the larger area of screen get brighter, their peak brightness is dimmed significantly by their ABL.

On 2% and 10% window, they both reach their brightest peak brightness where the LG B9 hits around 580 nits while the LG B8 can hits around 660 nits. The larger area of the screen is bright, their peak brightness is dimmed by ABL. For the B9, it hit around 470 nits on 25% window, 300 nits on 50% window and around 150 nits on 100% window. Meanwhile, for the B9, it hit around 430 nits on 25% window, 280 nits on 50% window, and 135 nits on 100% window.

With this behavior, can be ascertained, the LG B8 can show HDR images a bit brighter than the LG B9. Additionally highlight of HDR images also can be shown brighter on the screen of the B8 than the B9. But even so, what offered by the B8 is still less bright than the LG C8 or C9. On the other hand, even though not as bright as the B8, for OLED TV, peak brightness of the B9 can still be said well where highlight of HDR images can still be shown the way they should in HDR. But of course, it cannot show HDR images as bright as the intended by the movies creator because their peak brightness is still far from t 1000 nits of the target, even for LG B8 that can get a bit brighter than the B9.

Winner: LG B8

Color Gamut and Color Volume

The LG OLED B8 and OLED B9 both have excellent color gamut and their color gamut is almost similar. In DCI P3, they both can cover around 98% of color space. This means, almost all colors of HDR images that mastered in DCI P3 like HDR10 images can be shown accurately on their screen. Additionally, in Rec.2020, their color gamut can cover around 74% of color space. So, although there still some certain colors cannot be shown accurately, but their color coverage is wide enough to show HDR images that mastered in Rec.2020 like Dolby Vision content with vivid color.

The image is only an illustration

While their color gamut is almost similar, the LG B9 has much better color volume than the LG B8. Since they both have nearly-perfect black, they both can produce dark deep colors fairly well. Nevertheless, in showing very brighter colors, the LG B9 can do a better job than the LG B8. Even though their WRGB pixel structure allows them can show bright whites, but at the same time, this will de-saturate some certain colors at the top, allows them cannot show bright saturated colors.  Although they both cannot show bright saturated colors but the LG B9 can show better bright saturated colors than the LG B8. Nevertheless, despite their flaws in producing bright saturated colors, in normal content, colors of HDR images displayed on their screen looks very accurate, regardless they are playing HDR10, HLG, or Dolby Vision Content.

Winner: LG B9

Color Gradient

10 bit color gradient

While LG B9 have better color volume, in term of color gradient, the LG B8 is better. This means, color gradient of HDR images will looks smoother on the screen of LG B8 than on the LG B9. On the screen of B8, some banding may be still visible on some certain colors, but in normal content, this should be hard to notice. On the other hand, on the screen of the B9, the banding even is still visible in normal content. Fortunately, the B9 has “Smooth Gradation” feature that can help minimize the banding, though in certain scene, this can cause loss of some fine details.  On the other hand, if you feel banding on the screen B8 is still distracting, set the “MPEG Noise Reduction” feature to “Low” can help minimize banding, but the picture risk losing some fine details in certain scene.  “Smooth Gradation” feature on LG B9 and “MPEG Noise Reduction” feature on LG B8 may be able to be used to minimize banding, but they have a difference in behavior just like we have discussed on “Smooth Gradation” section. Overall, color gradient of the B8 might be better, but the color gradient of the B9 can still be said well.

Winner: LG B8

Side Viewing Angle

Just we have mentioned above, one of the major superiority of OLED TVs to LED TVs is about side viewing angle coverage.  Not only it has better side viewing angle, but at the same time, it can still produce deep black.  As we know, on LED TV with IPS panel, it may have good side viewing angle, but on the other hand, its native contrast ratio is poor. As well as on VA TVs with certain optical layer like X-Wide Angle on Sony TVs or Ultra Viewing Angle on Samsung TV, the use of this optical layer may can improve their side viewing angle, but on the other hand, this cause its native contrast ratio is reduced. But on the OLED TVs including LG B9 and B8, they have both, perfect black level and excellent side viewing angle.

OLED vs LED Side Viewing Angle

The image is only an illustration

The excellence of OLED TVs including the OLED B9 and B8 is about their ability in maintaining black level and brightness level up to extremely wide angle, around 70 degrees off center and front. Meanwhile, color may look less accurate started at around 50 degrees started off center and front, but overall, it is still better than LED TVs. And the result, even though you watch TV from the side, the picture displayed on their screen still looks accurate.

Winner: Draw

Motion Handling

The other excellence of the OLED TV including the LG B8 and B9 is about their pixel response time. As we have known, all of the OLED TVs have instantaneous response time. The result, when they are playing fast moving images like sports of fast movies, the picture displayed looks very smooth with almost no visible motion blur. Following fast moving object, there is only a very short ghosting trail that is hard to notice. But at the same time, the nearly instantaneous pixel response time make the motion appear to stutter, particularly when they are playing low frame rate content like 24p movies.  Fortunately, they both have excellent motion interpolation feature that can minimize stutter, so this should not be a problem. And just we have mentioned above, they both also have an optional 60 Hz BFI mode that can help to make the motion looks crisper.

OLED vs LED TV Motion Blur

The image is only an illustration

Both of the LG OLED B9 and OLED B8 also can do a great job when playing 24 movies. They both are able to show any source of movies with judder-free.  This means, regardless the source is native 24p content like Blu-Ray or DVD’s movies, movies from native app like Netflix, YouTube, or Amazon Prime, 24p content via 60p signal like movies from streaming devices, or even 24p movies via 60i signal like movies from satellite TV, all of them can be shown smoothly and clearly with judder-free on their screen. And to remove the judder from any source, you just need to enable the “Real Cinema” from the “Picture Mode Setting” menu.

Winner: Draw

Input Lags

The LG B9 brings an in improvement on its input lags in PC Mode from the predecessor thanks to the Alpha 7 Gen 2 Processor. With 60 fps content, regardless the resolution is 1080p, 1440p, 4K, 4K with HDR, and 4K @ 4:4:4, the input lags of OLED B9 are around 24 ms that means it is great. On the other hand, with the same refresh rate and resolution, the input lags of OLED B8 are around 21 ms. Meanwhile, with 120 fps content, the LG B9 has input lags of around 7 ms on both 1080p and 1440p resolution. On the other hand, with 120 fps content, the input lag of the LG B8 is around 21 ms. You need to know, the OLED B8 doesn’t support 1440p at both 60 Hz and 120 Hz.

With the comparison of their input lags in each resolution and refresh rate, can be ascertained, the LG B9 is more responsive when used for playing games. On the other hand, even though not as responsive as the B9, the input lags of the LG b8 is also low to make it is very responsive for any games, even for fast paced games that require fast reflexes.

Winner: LG B9

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LG OLED B9 LG OLED B8
55 Inches OLED55B9PUA on Amazon OLED55B8PUA on Amazon
65 Inches OLED65B9PUA on Amazon OLED55B8PUA on Amazon
77 Inches OLED77B9PUA on Amazon

Conclusion

For Watching Movies

Both LG B9 and B8 are great TVs for watching movies in a dark room. They both have perfect blacks and perfect black uniformity, make their dark room performance is amazing. Additionally, their pixel dimming level also allow them can show small highlight in dark scene without blooming.  Both LG B8 and B9 are also able to show 24p movies with judder free, regardless the source.  When playing fast movies, they both have instantaneous pixel response time that allow them can show smooth and clear motion with almost no visible blur. Meanwhile, even though the instantaneous pixel response time can cause image appear to stutter when they are playing 24p movies, but they both have excellent motion interpolation feature that can help to minimize stutter.

Winner: Draw

For Watching Sports

LG B9 and B8 are equally impressive TV for watching Sports. Combination of their excellent picture quality and instantaneous pixel response time allow you to watch fast sports like Moto GP or F1 smoothly without visible blur. Their excellent gray uniformity allows you to watch sports without dirty screen effect. They both also have excellent side viewing angle that ensure all of you can get the best viewing when watching a big games with a group of your friend or family. Additionally, their good SDR peak brightness and excellent reflection handling allows you to place them in a fairly bright room without worrying about the glare and reflections. And as we have discussed a lot above, the LG B9 has a bit brighter SDR peak brightness that allow it can go a better job in handling glare in a brighter room.

Winner: LG B9

For Video Games

Just like for watching sports, both LG OLED B9 and OLED B8 are also great TVs for video games. The both have excellent picture quality and instantaneous pixel response time, allow you to play game with excellent picture quality and smooth motion. Additionally, when paying a game with a group of your friend or family, their wide viewing angle coverage also ensure all of you can play the game with the best viewing. Both of them also have excellent input lags that make both are very responsive for any games, even for fast paced games that require fast reflexes.  Meanwhile, compare between them, the LG B9 is a bit better than the LG B8. This is due to it has a bit brighter peak brightness and a bit lower input lags. The OLED B9 also already supports VRR (Variable Refresh Rate) technology an ALLM (Auto Low Latency Mode) that will improve you game experience.

Winner: LG B9

HDR Experience

Both LG B8 and B9 are also great TVs for watching HDR content. Combination of their perfect blacks and perfect black uniformity allow them can deliver excellent shadow details of HDR images they way they should in HDR. They both also have excellent wide color gamut and good color gradient, allow them can deliver colorful HDR images with vivid color and smooth color gradient. They both also have good HDR peak brightness, allow them can show HDR images as bright they should be. Additionally, they both are also able to show small highlight brighter than the rest that means it is good. But even so, even though HDR images can be shown the way they should in HDR, but it is not as bright as the higher series C8 or C9. Additionally, their peak brightness is also still far from the 1000-4000 nits of the target where the HDR images are mastered. But just we have mentioned, overall, for LED TV, their HDR performance is equally great.  Meanwhile, compare among them, HDR performance of the LG B8 precisely is a bit better than the successor B9. The B9 may have better color volume that allows it is able to show bright saturated colors better than the B8. But on the contrary, in addition it can show small highlight brighter, the LG B8 also have smoother color gradient. But even so, their difference actually doesn’t have a significant impact in normal content.

Winner: LG B8

Summary

So, which is a better choice between the LG OLED B8 and OLED B9? As we have discussed a lot above, in term of picture quality, there is no significant improvement offered by the LG B9 from the predecessor LG B8. Even in some certain aspects like color gradient or HDR peak brightness, its performance is a bit worse than the predecessor B8. Nevertheless, this doesn’t mean the LG B9 doesn’t bring improvement. In addition to it has better input lags and color volume, the OLED B9 also brings some new additional features like some AI-related features, HDMI Forum VRR Technology, ALLM, HDMI 2.1 and others. Meanwhile, in the market, with the same screen size, the LG B9 is sold hundreds dollar more expensive than the LG B8.

Now, the decision comes back to you according to your own preferences. If you only focus on picture quality, I think the LG B8 is a better. In addition to in some certain aspects, its precisely is superior, it is also sold hundred dollars cheaper. On the other hand, the B9 comes with some new additional features hat makes overall performance of B9 is better than the B8.

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LG OLED B9 LG OLED B8
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65 Inches OLED65B9PUA on Amazon OLED55B8PUA on Amazon
77 Inches OLED77B9PUA on Amazon
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