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LG OLED55C6P Vs OLED55B6P Review : Which is a better choice?

by on December 9, 2016
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LG OLED55B6P and OLED55C6P are parts of LG’s 2016 OLED TVs lineup B6P and C6P series.  In the market, they are sold with similar price but come with a bit differences in features. But essentially, both of them offer virtually identical excellent picture quality SDR and HDR. Talking about HDR both of these LG OLED55C6P and OLED55BP already both HDR of HDR formats, HDR 10 and Dolby Vision. And in order to process HDR sources greatly, both of them are supported by Perfect Mastering Engine with HDR Super and Dolby Vision as their image processor. And of course, there are also the number LG’s most advanced technology that improves their performance.


The main key of superb picture quality that offered by them is about their perfect black level and infinite contrast ratio. This is due each of pixels of OLED TV can switch on/off/dimmed individually.  You need to know, with self lighting pixel where the condition of each pixel is not affected by the condition of other pixels surrounding, this seemed both of LG OLED55B6P and OLED55C6P have local dimming technology with the number of dimming zones equivalent with the number of pixels. And it is understandable if black level reached by them is perfect because as we know the more number of dimming zones of local dimming, the black level reached is deeper. In addition deep black level, both OLED55C6P and OLED55B6P also support color gamut. And although their peak brightness is not as bright as LED TVs, but at least it is very bright for OLED TV and exceeds the minimum standardization HDR 10.

In addition to amazing picture quality, both of LG OLD55C6P and OLED55B6P also comes with excellent smart TV platform called WebOS 3.0.It is very attractive, intuitive, and responsive with complete most useful apps provided. Of course, this will add to your pleasure in enjoying 4K entertainment in your home.  In the market, they are sold in price range $2000 – $2500 with almost similar price. But even so, their price certainly is not fixed and could still change at any time.

>> Please click here to check the current price of OLED55B6P on Amazon.com <<

>> Please click here to check the current price of OLED55C6P on Amazon.com <<

LG OLED55C6P vs OLED55B6P Key Specs

Specs and Features LG OLED55C6P LG OLED55B6P
Appearance LG OLED55C6P Review LG OLED55B6P Review
Resolution 4K (2160 x 3840) 4K (2160 x 3840)
Screen Type Curved Flat
Size 55 Inch (54.6”) 55 Inch (54.6”)
Panel Type OLED OLED
Dimming Pixel Dimming Pixel Dimming
Picture Engine Perfect Mastering Engine Perfect Mastering Engine
HDR OLED HDR with Dolby Vision OLED HDR with Dolby Vision
Perfect Black Panel Yes Yes
Ultra Luminance Yes Yes
Cinematic Color Yes Yes
4K Up-scaling Tru 4K Up-Scaler Tru 4K Up-Scaler
3D Technology Passive No
Motion Control Native 120 Hz Native 120 Hz
Platform WebOS 3.0 WebOS 3.0
Features Full Browser, LG Content Store, Magic Mobile Connection, etc Full Browser, LG Content Store, Magic Mobile Connection, etc
LG Magic Remote Included (Premium) Included (Premium )
HDMI 3 (HDCP 2.2) 4 (HDCP 2.2)
USB 3 3
Ethernet 1 1
RF (Terrestrial Cable) 1 1
Composite In (AV) 1 1
Component In 1 1
Wi-Fi Built In 802.11 a/c 802.11 a/c
Audio Channel 4.0 4.0
Sound Design by HarmanKardon Yes Yes
Total Audio Output 40 Watt 40 Watt
Sound Effect OLED Surround OLED Surround
Price See the Price on Amazon See the Price on Amazon

The Differences between LG OLED55C6P and OLED55B6P

Type of Panel

We can see on comparison table above, the major difference between LG OLED55B6P and OLED55C6P is about their type of panel. OLED55C6P comes with curved panel while OLED55B6P comes with flat panel. Of course, it is like talking about the differences between curved panel and flat panel.  There are 4 points which detracted from this difference, size and immersiveness, viewing Angle, aesthetics, and reflection. But because OLED panel already delivers perfect viewing angle and reflections, there are only size and immersiveness and aesthetic which becomes their differences caused their differences in type of panel.  In term of size immersivenes, although they have the same screen size, but the picture that displayed on curved panel of OLED55C6P looks slightly bigger than OLED55B6P with flat panel. This is caused curved panel has bigger FOV (Field of View) than flat panel. At distance of 6 feet, the OLED55C6P’s curved 55” looks like a 55.8” screen. About the aesthetic, it doesn’t have on picture quality but only on appearance because it seemed more elegant.

Curved Panel vs Flat panel

3D Technology

The second major difference between LG OLED55BC6P and OLED55B6P is about 3D technology. OLED55C6P comes with passive 3D technology while OLED55B6P doesn’t equip with 3D technology. Talking about 3D performance offered by OLED55C6P, it is very good. 3D images displayed looks very sharp and clear with tons of depth. Additionally, there is also no crosstalk and flickers that makes comfortable for eyes. The other benefit, you can use any passive 3D glasses for OLED55C6P. Additionally, passive 3D glasses are cheaper, lighter, more comfort to use and batter-free. But as the note, passive 3D allows each of eyes can receive only in half the number lines of horizontal resolution.


LG OLED55C6P is equipped with 3 HDMI Ports and OLED55B6P is equipped with one more port, 4 HDMI Ports as their major connectivity. They are support all of what required for HDMI connection for this time. But in term of input lag, OLED55C6P offers slightly lower input lags than OLED55B6P on all input source. This means for playing professional games especially for HDR games which needs low input lag, OLED55C6P offers better performance than OLED55B6P. The excepting of HDM ports as their major connectivity, both of them are also equipped with 3 USB ports, 2 ports are 2.0 version and 1 port is 3.0 version. Additionally, there are also Composite IN (AV), Component In, Ethernet port, Digital Audio Out (Optical) and RF in (Tuner) where the number of each is 1. The other difference is where their ports are located. On OLED55B6P, HDMI 1, HDMI 2, USB 1 and USB 2 are installed at the side of panel where the others ports are located on rear panel. Meanwhile, on OLED55C6P, all HDMI ports and USB Ports are located at side panel while the others ports are installed at rear panel.


The excepting of what we have mentioned above, LG OLED55B6P and OLED55C6P offers virtually identical performance and features, whether it is about picture quality, motion handling, UHD Up-scaling, Smart TV, or even sound quality

Picture Quality

As we have mentioned above, picture quality is the main reasons why we choose OLED TV. Along with other series of LG’s 2016 OLED TVs, it offers the best picture quality in 2016. The main key of amazing picture quality produced by them is about their perfect black level where there is no LED TVs can reach. Because the black level reached by both of them is 0 nits, this allows both of them have infinite native contrast ratio. As we know, contrast ratio is the ratio of the white brightness divided by the blacks. And contrast ratio is the best indicator to know, how good the picture produced. Back to the topic, with 0 nits of black level, both of LG OLED55C6P and OLED65B6P can display both HDR10 and Dolby Vision contents without any issues at black level. You need to know, for displaying them fully, HDR 10 needs 0.0005 nits of black level and Dolby Vision need 0 nits of black level for exploiting detail of image in shadow or dark scenes.


Additionally, the other important component of HDR is about peak brightness. As the standardization, HDR 10 needs at least 550 nits of peak brightness while Dolby Vision needs sat least 10000 nits with current target 4000 nits of peak brightness. What reached by both LG OLED55B6P and OLED55B6P about peak brightness is very bright for OLED TVs. OLED55B6P can reach about 780 nits of peak brightness on 10 % window while OLED55C6P can reach about 650 nits of peak brightness on the same % window. This means, peak brightness reached by them exceeds the minimum standardization required for displaying HDR 10 fully. But unlike about back level where OLED TV including them are the best, it is not the brightest peak brightness reached by a TV.  Samsung’s 2016 UHD TV lineup or Sony X930D/ 940D and Z9D even can reach more than 1000 nits of peak brightness. But even so, at least, peak brightness reached by them meets the minimum standardization of HDR10. Combine to infinite contrast reached by them, both HDR 10 and Dolby vision picture displayed on each of their screen will looks absolutely amazing despite theoretically, their peak brightness is not quite bright t display Dolby Vision Contents fully.

Moving on color performance, both of LG OLED55B6P and OLED55C6P also already support wide color gamut. With 4 sub-pixels technology by adding white sub-pixel to standard RGB sub-pixels, both of them can reach about 96% of DCI P3 color space. You need to know, the minimum color coverage required for displaying HDR 10 fully is 90% of DCI P3 color space while Dolby Vision needs Rec.2020 color coverage. This means, there is no any issues on color gamut when they are displaying HDR 10 contents. Additionally, color gamut delivered by them is also equivalent to 74% of Rec.2010 color coverage. Although it is still not enough to cover all color coverage required for displaying Dolby Vision fully, but at least for displaying Dolby Vision, it is quite good.

LG OLED Color Technology

One more parameter required by HDR is about the depth of color. This has to do about color gradient of the picture that produced. HDR 10 requires 10 depth of color while Dolby Vision requires 12 bit depth of color. And both of LG OLED55C6P and OLED55B6P already support 10 bit depth of color this means they can deliver about 1.07 billion shades of color. The result, color gradient of the picture when they are displaying HDR contents looks very smooth without color banding and gradation.

10 bit vs 12 Bit Color Depth

Combination of deep black level, bright whites, and wide color gamut makes both HDR picture that produced by them looks very amazing, even for HDR 10, they are compliant with Ultra HD Premium Certification set by UHD Alliance. This mean when they are displaying HDR 10 contents, the picture displayed looks absolutely amazing without any issues. Additionally, although in some aspects, what reached by OLED55B6P and OLED55C6P is still not enough to meet the minimum standardization of Dolby Vision, at least Dolby vision contents that displayed on their screen still looks amazing and the best along other series of LG’s 2016 OLED TV lineup.

UHD Up-scaling

Although it is still below Sony 4K TVS as the best, UHD Up-scaling performance of LG OLED55B6P and OLED55C6P is also great.  No matter the resolution of video sources, they will be displayed in 4K quality sharply and clearly at the screen of both. 1080p videos like Blu-Ray Movies displayed very sharply in 4K quality without small details are missing. Additionally, 720p content like movies from HDTV is also still looks sharply once up-scaled and small details are also still visible.  Even for 480p contents like DVDs, they are up-scaled in 4K quality very well. Straight lines in images don’t look choppy at all. Of course this is very useful to play your old contents which have lower resolution than 4K. Additionally, most of the contents that available in the market still have lower resolution than 4K, so great performance UHD Up-scaling engine of 4K TVs is still required.


Motion Handling

Their ability when handling motion blur might similar. Pixel response time of both is very excellent that is about 0.1ms. This is quite quick to display fast contents like sport program or fast movies without motion blur. It is perfect for a TV. When playing 24p contents like Blu-Ray movies, they also show the same god performance that means there is no judder. But when they are playing 24p via 60p signals, their performance is less than maximal. The judder cannot be removed completely. A different performance by them is indicated when they are playing 24 contents via 60i signal like satellite or Cable TV. For this case, OLED55C6P offers better performance than OLED55B6P. This means, OLED55C6P offers judder-free while OLED55B6P doesn’t.  But because most people don’t notice judder, we can ignore this difference.

LG OLED Motion Handling

Smart TV

Smart TV is the other excellent features offered by both LG OLED55B6P and OLED55C6P. With WebOS 3.0 as the platform, they offer very attractive and responsive smart TV platform. User interface is designed simply and intuitively, but it precisely becomes distinctive charm of WebOS. The most useful and popular apps are organized on “Strip Bar” at the bottom across the screen so makes you easily to select and launch an app. The booting time, load in time of app, and selecting between apps is also very quick, so makes you more comfort when operating it. Additionally, for pampering your when enjoying Smart TV on the screen of OLED55B6P and OLED55CP, there are a lot of most popular and useful apps provided like Netflix, YouTube, HuluPlus, Spotify, Amazon Prim and more. Even some of them already support HDR 10 and Dolby Vision and allow you to stream them directly. The others apps which are provided are WebOS Browser, LG Contents Store, and Many more. The new features which are not less powerful and useful are Magic Zoom and Magic Mobile connection.

As the controller, both of LG OLED55B6P and OLED55C6P are equipped with LG’s magic remote. The most useful function provided is “Point and Click” that has a function like mouse on the Notebook.   This well be very useful when you are surfing on the internet, inputting text, and more. The other interesting function is Voice Navigation that allows you to control TV functions with voice commands. This means there is a built microphone in the remote.

LG Magic Remote

Sound quality

As their audio system, both of them are equipped with 4.0 channel speaker system with 40 watts total power speaker system. The interesting, their sound system is designed by HarmanKardon, a big names on premium audio system. But unfortunately, there is no built-in woofer behind them. This can be ascertained that low frequency or bass performance both of them is poor. But even so, frequency response both of them is very good that makes their sound quality is above average. A bit issue, at higher volume, sound is heard slightly compressed. For most of people, sound quality offered by OLED55C6P and OLED55B6P might quite good but for you who care about sound quality, the addition of external sound bar is highly recommended.

>> Please click here to check the latest price of OLED55EB6P on Amazon <<

>> Please click here to check the latest price of OLED55C6P on Amazon <<


Performance OLED55C6P OLED55B6P
Design (4.8/5) (4.8/5)
Picture Quality (4.5/5) (4.6/5)
HDR (4.3/5) (4.4/5)
Motion Handling (4.7/5) (4.6/5)
Inputs (3.9/5) (4/5)
Sound Quality (3.3/5) (3.5/5)
Smart TV (4.5/5) (4.5/5)


As we have discussed a lot above, type of panel, 3D technology and the number of HDMI ports are the differences between them. But from all of them, there is none which have major impact on picture quality while their difference in 3D technology is very clear. The other slightly difference between them is about peak brightness reached by them where OLED55B6P reach slightly brighter peak brightness than OLED55C6P. But overall, picture quality produced by them is virtually identical.

So which is a better choice between them? As we have discussed above, LG OLED55C6P is superior on 3D technology while OLED55B6P is superior on the number of HDMI Ports. In term of type of panel, this is relatively, some people might prefer the aesthetic of curved panel, but for some other people, they prefer flat panel. While the difference between them on some other aspects like 24p handling, input lag and other are not too significant. Now the decision comes back to you refer to your preferences.

>> Please click here to buy LG OLED55B6P on Amazon <<

>> Please click here to buy LG OLED55C6P on Amazon <<



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