LG OLED CX TV assessment: The image towards which all different TVs are measured

By this level there isn’t any query whether or not OLED-based TVs have the most effective image high quality obtainable: they do. For my part they’re undoubtedly price the additional cash in comparison with different high-end TVs. The one query that issues is, when you can afford an OLED TV, which one do you have to purchase? LG is the OLED chief and its 2020 CX collection achieves as spectacular an image as any TV I’ve ever examined, its options are cutting-edge and the worth in late 2020 is fairly near as little as it is gonna get. In different phrases: that is the OLED TV to purchase.

LikeBetter image high quality than any non-OLED TV.Superior distinction and off-angle picture.Slim design and full of options.

Do not LikeExpensive in comparison with non-OLED TVs.

After reviewing the CX and a handful of different TVs this 12 months — in addition to quite a few OLED and LCD TVs from years previous — I can say with confidence that the CX is the most effective. I in contrast it facet by facet to the TCL 8-Collection, which has the most effective image high quality of any non-OLED TV I’ve reviewed. It is a excellent performer and brighter then the CX, however the OLED beat it for general image high quality. Each OLED TV I’ve ever reviewed displays the true black ranges, infinite distinction and near-perfect off-angle efficiency that makes pictures come to life like no different TV expertise you should buy. 

This 12 months I have never had the possibility to assessment the CX’s foremost OLED competitors, particularly the Sony A8H, the Vizio OLED-H1 or LG’s personal BX collection. Based mostly on my years of expertise, nonetheless, and reviews from different reviewers about these TVs — together with wirecutter and rtings — if I needed to suggest any OLED now, it might be the CX. I anticipate its improved processing to be well worth the small value enhance over the BX, it has higher next-gen gaming options than the Sony and it at present prices lower than the Vizio. 

Except a kind of TVs will get a serious Black Friday value reduce the CX will stay the most effective OLED worth — and even when one does, I am betting the CX will nonetheless be the only option, no matter value. I anticipate to assessment extra OLED TVs quickly however till then you may’t go flawed with the CX, which is why it earns CNET’s 2020 Editors’ Alternative Award for high-end TVs.

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LG CX OLED TV assessment: Superior image, excessive value


Get to know the LG CX collection It is pronounced “C-10” as a result of LG desires to be like Apple I suppose.It is available in 48-, 55-, 65- and 77-inch sizes. The 48-inch mannequin is new for 2020.As typical for OLED TVs, the 77-inch mannequin is proportionally dearer, at practically twice the worth of the 65-incher. Competing 75-inch LCD-based TVs are way more reasonably priced. The 2020 CX provides a couple of extras that the B9 from 2019 is lacking, particularly an improved picture processor, compatibility with AMD FreeSync and a brand new Filmmaker image mode. In any other case they’re very comparable.OLED show expertise is basically totally different from the LED LCD expertise used within the overwhelming majority of at the moment’s TVs, together with Samsung and TCL’s QLED fashions.One of the best LCD TVs I’ve reviewed thus far, together with the TCL 8-Collection and 2019 Vizio P-Collection Quantum X, scored a 9 in picture high quality. At occasions they had been brighter in HDR than the OLEDs, however in any other case the OLEDs’ pictures had been superior in virtually each method.All OLED TVs are extra topic to each short-term and everlasting picture retention, aka burn-in, than LCD TVs. We at CNET do not contemplate burn-in a purpose for most individuals to keep away from shopping for an OLED TV, nonetheless. Take a look at our information to OLED burn-in for extra.

Not a lot has modified with LG’s design. The panel on the B9, the CX and different latest OLED units remains to be vanishingly skinny when seen from the facet, a couple of quarter-inch deep, with a chunkier part on the backside that juts out one other 1.75 inches. That part homes the inputs, energy provide, audio system and different depth-eating TV elements.

From the entrance it is pure TV minimalism. There’s lower than a half-inch of black body across the high and sides of the image itself. Then there is a bit extra under, however no hint of silver, no “LG” or every other emblem in any respect. 

The CX’s stand is similar to the C9’s, its angled edges and medium width throughout the underside of the display screen. It is extra closely weighted than the B9 on the rear to (I presume) higher resist tipping ahead. That stated, I’ve by no means had any worry of the B9 tipping ahead, and I at all times suggest utilizing a TV security strap you probably have children.

David Katzmaier/CNET
Stable app and voice assist

LG’s webOS menu system can also be mainly unchanged from final 12 months. It nonetheless lacks the revolutionary extras and app-based setup of Samsung’s Tizen system and falls effectively in need of the app protection of Roku TV or Sony’s Android TV. If you’d like extra apps, your greatest guess is to get an exterior streamer, though solely a handful, together with the Apple TV 4K, Amazon Hearth TV Stick 4K and Nvidia Protect can assist Dolby Imaginative and prescient and Dolby Atmos. In the meantime LG’s apps for Netflix, Amazon, Disney Plus and Vudu all assist Dolby Imaginative and prescient and Dolby Atmos, whereas Apple TV app helps Imaginative and prescient however not Atmos. Utilizing the TV’s built-in apps will get you the highest-quality video and audio from these providers, no exterior streamer required.

The distant tracks the movement of your hand to whip rapidly across the display screen, one thing that is significantly useful when signing into apps or looking utilizing an onscreen keyboard. The scroll wheel can also be nice for shifting by means of apps, like these seemingly infinite thumbnail rows on Netflix and Amazon.

David Katzmaier/CNET

LG’s TVs are nonetheless the one units that allow you to use each Google Assistant and Amazon Alexa. The principle mic button invokes Google Assistant whereas a long-press of the Amazon button will get you Alexa. Each can do all the same old Assistant stuff, together with management good residence units, reply questions and reply by way of a voice popping out of the TV’s audio system (yep, each voices). Fundamentals like “What is the climate?” works as you’d anticipate from both assistant, full with onscreen suggestions. 

The CX additionally works with Apple’s AirPlay 2 system, identical to many different TVs together with 2019 fashions just like the B9. I used to be in a position to fireplace up my iPhone to share photographs and video to the display screen from the Images app in addition to mirror my Mac and cellphone screens. The LG additionally has the Apple TV app, in fact.

Key options

Show expertise


LED backlight




HDR appropriate

HDR10 and Dolby Imaginative and prescient

Sensible TV




The feature-packed CX contains nearly the whole lot that issues in a contemporary TV. LG says the brand new A9 Gen Three chip — included on the CX however not on the B9 or BX — has improved deep studying chops and “AI image Professional” enhancements. I did not discover any main advantages from the processor in my testing. 

New for 2020 is the Filmmaker Mode, which takes the place of the Technicolor Knowledgeable modes of years previous. As promised it turns off the Cleaning soap Opera Impact for film-based content material (yay) however so do many different modes within the CX, together with Cinema, ISF and Dolby Imaginative and prescient itself (sure, this TV has a LOT of image modes). Whereas plenty-accurate it is also comparatively dim so I ended up utilizing Cinema and ISF Shiny for most crucial viewing.

All of LG’s 2019 and 2020 OLED fashions embrace the most recent model of the HDMI normal: 2.1. Which means their HDMI ports can deal with 4K at 120fps, assist enhanced audio return channel (eARC) in addition to two gamer-friendly extras: variable refresh charge (VRR) and automated low latency mode (ALLM, or auto sport mode). Take a look at HDMI 2.1: What you might want to know for particulars. I did not check any of those options but for this assessment.

Talking of VRR, the B9 and CX additionally assist the Nvidia G-Sync normal. One distinction between the 2, nonetheless, is that solely 2020 fashions just like the CX may even assist AMD FreeSync.

Bear with me, regular readers, as a result of there may be one ultra-technical downgrade on the CX in comparison with the 2019 C9. As reported by Forbes, the brand new mannequin’s HDMI ports assist 4K at 120fps as much as 40Gbps (10 bits), whereas final 12 months they went as much as the total 48Gbps (12 bits). In a press release, LG informed CNET that “the market scenario evolution indicated that actual content material that requires 48Gbps isn’t obtainable out there.” The one units which may look higher at 12-bit in comparison with 10-bit are next-generation consoles just like the PlayStation 5 and Xbox One Collection X, however I might be stunned if it makes a giant distinction. 

David Katzmaier/CNET

The collection of connections is in any other case top-notch. Not like a lot of Samsung’s units, this one really has an analog video enter for legacy (non-HDMI) units, though it now not helps analog element video. There’s additionally a devoted headphone/analog audio output.

4 HDMI inputs with HDMI 2.1, HDCP 2.2Three USB portsComposite video/audio inputOptical digital audio outputAnalog audio 3.5mm headphone outputRF (antenna) inputRS-232 port (minijack, for service solely)Ethernet (LAN) port Image high quality comparisons

Click on the picture above to see image settings, calibration and HDR notes.

David Katzmaier/CNET

Usually I will evaluate a TV towards 4 or 5 others side-by-side, however throughout coronavirus lockdown the dimensions of my basement — and restricted entry to comparability TVs — diminished that quantity to 2. Fortunately they had been two of the most effective TVs of 2019, the B9 OLED and the TCL 8-Collection. As I discussed above the CX and B9 had been mainly tied, with picture high quality that deserves a rating of 10/10, whereas the TCL fell a bit in need of each. 

Click on the picture on the proper to see the image settings used within the assessment and to learn extra about how this TV’s image controls labored throughout calibration.

Dim lighting: Lined up in my darkened basement TV lab, the CX instantly distinguished itself from the LCD-based TCL however not a lot from its sister LG OLED. Between the 2 OLED TVs I did not spot any main variations. 

Watching the 1080p Blu-ray of Parasite, the trademark excellent black ranges and superior distinction of OLED had been an improve in punch and realism. Each scene benefited, however as typical the darker ones confirmed the biggest variations. Because the Parks focus on the transgressions of their chauffeur in Chapter 4, for instance, colours of their faces, garments and the encompassing kitchen regarded, effectively, richer and extra reasonable. In extraordinarily darkish scenes like Park Dong-ik’s trip at the back of the automotive, the distinction was much more evident in a side-by-side comparability.

Shadow element was glorious on the CX and general darkish areas nonetheless regarded considerably extra reasonable than with the TCL. Professional tip: In my really useful image mode, Cinema, bump up Brightness from 50 to 52 to reclaim these shadows whereas nonetheless preserving excellent black ranges.

Shiny lighting: No main modifications right here: The CX was as brilliant as earlier LG OLEDs and considerably dimmer than high-end LCDs.

Gentle output in nits


Brightest (SDR)

Correct colour (SDR)

Brightest (HDR)

Correct colour (HDR)

Vizio PX65-G1





TCL 65Q825





Samsung QN65Q80R





TCL 65R625





LG OLED65C9 (2019)





LG OLED65CX (2020)





LG OLED65B9 (2019)





LG OLEDs from 2019 and 2020 have a setting referred to as Peak Brightness that reinforces the sunshine output for SDR sources in Cinema and Knowledgeable modes. The thought is to extend distinction for brighter viewing environments whereas sustaining the superior colour accuracy of these modes. As with most TVs, the brightest mode for HDR and SDR (Vivid on the CX) is horribly inaccurate. For the correct colour columns above I used ISF Knowledgeable Shiny (Peak Brightness: Excessive) for SDR and Filmmaker mode for HDR — I like to recommend CX homeowners do the identical to get good colour in brilliant rooms.

General, the OLED units are nonetheless a lot brilliant sufficient for nearly any viewing atmosphere. Sure, they do get fairly a bit dimmer than the LCDs when exhibiting full-screen white — a hockey sport, for instance — however even in these conditions they’re hardly dim.

The CX and B9 preserved black ranges and diminished reflections very effectively — higher than the TCL. I did not evaluate a Samsung straight for this assessment however previously that model’s high-end fashions have delivered the most effective bright-room efficiency general.

Shade accuracy: Earlier than my normal calibration, the ISF Knowledgeable, Cinema and Filmmaker modes had been already tremendous correct, among the many greatest I’ve seen, and afterward the CX was as correct as I might anticipate. As typical, OLED’s superior black ranges additionally improved the notion of colour saturation in comparison with the LCD different shows. Shiny colours just like the fruit on the Parks’ countertop or the inexperienced of their yard in Chapter 11 had been lush and vibrant, whereas pores and skin tones just like the face of Mrs. Park remained true. I additionally appreciated that, not like many LCDs together with the TCL on this comparability, the CX did not introduce a blue tinge to near-black areas.

Video processing: Watching the Parasite Blu-ray it was tough to see any processing benefits of the CX over the B9, maybe as a result of it is a very high-quality supply to start with. Searching for proof of the CX’s fancy new chip in motion, I attempted an outdated favourite: Recreation of Thrones’ The Lengthy Night time episode on HBO Max, streaming from an Apple TV 4K (set to 1080p SDR to match the native stream).

The opening setup of the military awaiting the approaching of the white walkers was rife with blockiness, banding and different compression points, in addition to fundamental video noise. However the CX did not clear it up significantly better than the B9. There was barely much less banding on the CX throughout a pan over Winterfell (5:19), for instance, and fewer near-black noise within the sky through the Dothraki cost (12:51) and when the solitary horse returns (13:47), however I needed to look arduous to identify the advance. And generally the B9 regarded higher; for instance it confirmed much less noise than the CX within the black sky round Sir Davos’ face (7:13). I am going to give the slight edge to the CX, however it’s actually delicate.

With the Actual Cinema setting turned on, the CX handed my go-to 1080p/24 movie cadence check from I Am Legend in Off, Cinema Clear and Person (0-Four for De-Judder and 10 for De-Blur) TruMotion place. The latter two additionally delivered the TV’s most movement decision (600 traces). For 2020 LG’s Person De-Judder setting is healthier than final 12 months, with extra of a spread for finicky cadence purists (we all know who we’re) to dial in the correct amount of smoothness; something Four or decrease launched some judder to my eye, conveying a way of movie fairly than cleaning soap opera impact. Clear then again is towards the smoother facet, albeit nonetheless tolerable. Personally I choose Person: De-Judder Zero however it’s nice that there is extra good choices than ever.

David Katzmaier/CNET

There’s additionally a setting labeled OLED Movement Professional, obtainable solely within the Person part of the TruMotion menu. In earlier years it was a easy toggle that launched black body insertion to enhance movement decision however with the same old tradeoffs of a dimmer picture and visual flicker. This 12 months it has 4 settings, Low, Medium, Excessive and Auto, with progressively higher movement decision, Excessive tops out on the most 1,200 traces in my check however was fairly dim and flickery. Medium was the most effective general, measuring barely much less at 1080 traces however with practically the identical mild output as Off and no flicker. The CX is the primary OLED TV I’ve examined that may match LCD TVs with true 120Hz refresh charges, such because the TCL Eight collection or the Samsung Q70, for movement decision.

The issue? Partaking any OLED Movement Professional setting apart from Off crushed shadow element and made the picture look too darkish. My recommendation is to keep away from utilizing this setting until you calibrate the picture particularly for it — otherwise you hate blur a lot that you just’re keen to sacrifice with the ability to see darkish areas clearly.

Gaming enter lag is much like final 12 months, which is to say excellent. The CX confirmed 13.7 and 13.Eight milliseconds in sport mode for 1080p and 4K HDR sources, respectively. That is shy of the C9 by mere tenths of a millisecond. If you happen to can inform the distinction, hats off to you.

Uniformity: Like all latest OLED units, the CX was extraordinarily uniform in brightness and colour, with no seen variations throughout the display screen. Compared the LCD-based TCL all confirmed barely brighter and darker areas with full-field check patterns, though it did not have main points. And as typical the 2 OLEDs had been significantly better at sustaining constancy from off-angle, when considered from seats apart from the candy spot proper in the course of the display screen. There have been no variations in uniformity between the B9 and CX.

Parasite is a good film that appears spectacular in 4K HDR.

CJ Leisure

HDR and 4K video: The 4K Blu-ray of Parasite regarded spectacular on all three high-end TVs, as anticipated, however the OLEDs had the benefit. The TCL beat them in brightness and spotlight pop, nonetheless. In Chapter Three when Kim Ki-woo rounds a nook of the home (13:13), the solar measured twice as brilliant — 1028 nits vs. 540 on each OLED TVs — and the distinction was apparent to my eye. 

Regardless of the additional brightness, nonetheless, the general distinction and richness of the OLEDs’ picture made the LCD look comparatively flat by comparability in lots of scenes. Within the standards at 30:51, for instance, there was only a bit extra pop and colour within the meals and the flower wrappings. And regardless of its glorious native dimming the TCL nonetheless betrayed some brighter spots in darkish areas, for instance the shadows at the back of the automotive at 30:14. 

Trying on the beautiful nature footage from the Spears and Munsil HDR benchmark, the TCL’s larger brightness paid extra dividends than the cinematic Parasite. In my side-by-side lineup the LCD’s brighter skies, snow and different daylit scenes had been extra highly effective, particularly when a lot of the display screen was very brilliant — the desert sand, and crops at 5:20 was a very good instance. The OLEDs did not look dim by any means however the TCL was higher in these brilliant scenes. In additional blended and darker scenes, then again, the OLEDs superior distinction once more received out.

Protecting with the character theme, I switched my Apple TV again to 4K HDR mode and checked out the amazing-looking Our Planet: Coastal Seas on Netflix. From the good colours of the reef to the darkish recesses behind the swarms of sharks I noticed the identical themes: an general edge to the OLED TVs regardless of the TCL’s brighter picture. Netflix’s nature documentary did not present as a lot HDR punch and element because the reference disc on the whole, and for that purpose the TCL’s brilliance did not make as a lot of an affect. In some brilliant scenes just like the splashing seals (20:34), highlights just like the waves really measured barely brighter on the CX OLED, however in others just like the solar by means of the kelp (21:03) the TCL was visibly brighter and measured as such (1440 versus 660 nits).

Geek Field

Take a look at

End result


Black luminance (0%)



Peak white luminance (SDR)



Avg. gamma (10-100%)



Avg. grayscale error (10-100%)



Darkish grey error (30%)



Shiny grey error (80%)



Avg. colour checker error



Avg. saturation sweeps error



Avg. colour error



Pink error



Inexperienced error



Blue error



Cyan error



Magenta error



Yellow error



1080p/24 Cadence (IAL)



Movement decision (max)



Movement decision (dejudder off)



Enter lag (Recreation mode)




Black luminance (0%)



Peak white luminance (10% win)



Gamut % UHDA/P3 (CIE 1976)



Avg. colour checker error



Enter lag (Recreation mode, 4K HDR)



First printed June 20.

LG OLEDCX CNET Calibration Outcomes by David Katzmaier on Scribd

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