LG OLED CX TV review: The picture against which all other TVs are measured

    By this level there isn’t any query whether or not OLED-based TVs have the very best image high quality out there: they do. In my opinion they’re positively price the additional cash in comparison with different high-end TVs. The solely 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, however proper now it isn’t the very best reply to that query.

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

    Don’t LikeCostly.Not appreciably higher than cheaper 2019 fashions.

    After reviewing the CX, the TV that I like to recommend most OLED customers purchase as an alternative is the LG B9 from 2019. I in contrast the 2 LG OLEDs side-by-side in my spanking new basement TV lab, and it was actually powerful to inform the distinction between them in image high quality. My measurements sussed out some slight variations, and watching some low-quality materials gave a vanishingly small edge to the CX, maybe due to its improved processing. But that is tiny potatoes in comparison with the large worth distinction between the 2 proper now — $600 to $800 for the 65-inch measurement, relying on the place you store. The worth hole will shrink because the CX will get discounted and the B9 sells out later this 12 months, however even then one other TV will stay inexpensive and sure a greater worth as nicely: the 2020 BX collection. Look for CNET’s overview of that TV quickly.

    My different comparability TV was the TCL 8-Series, which has the very best image high quality of any non-OLED TV I’ve just lately reviewed. It’s an excellent performer and brighter then both OLED, however each the B9 and CX beat it for general image high quality. Every OLED TV I’ve ever reviewed displays the true black ranges, infinite distinction and near-perfect off-angle efficiency that makes photos come to life like no different TV expertise you should purchase. 

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    LG CX OLED TV overview: Awesome image, excessive worth


    Get to know the LG CX collectionIt’s 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 standard for OLED TVs, the 77-inch mannequin is proportionally dearer, at almost twice the value of the 65-incher. Competing 75-inch LCD-based TVs are rather more inexpensive. The 2020 CX provides a couple of extras that the B9 is lacking, specifically an improved picture processor, compatibility with AMD FreeSync and a brand new Filmmaker image mode. Otherwise they’re principally the identical.The solely variations I famous between the B9 and CX are barely completely different stand designs and LG’s processing. As I discussed above, I do not suppose the CX’s slight picture high quality benefit is definitely worth the worth distinction.OLED show expertise is basically completely different from the LED LCD expertise used within the overwhelming majority of at this time’s TVs, together with Samsung’s QLED fashions.The finest LCD TVs I’ve reviewed to date, just like the TCL 8-Series and Vizio P-Series Quantum X, scored a “9” in picture high quality. At instances they had been brighter in HDR than the OLEDs, however in any other case the OLEDs’ photos had been superior in virtually each approach.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 take into account burn-in a purpose for most individuals to keep away from shopping for an OLED TV, nevertheless. Check out 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 current OLED units continues to be vanishingly skinny when seen from the aspect, a few 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 prime and sides of the image itself. Then there is a bit extra beneath, however no hint of silver, no “LG” or some 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. It’s 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 all the time suggest utilizing a TV security strap when you’ve got children.
    David Katzmaier/CNET
    Solid app and voice supportLG’s webOS menu system can also be principally unchanged from final 12 months. It nonetheless lacks the modern extras and app-based setup of Samsung’s Tizen system and falls nicely wanting the app protection of Roku TV or Sony’s Android TV. If you need extra apps, your finest guess is to get an exterior streamer, though solely a handful, together with the Apple TV 4K, Amazon Fire TV Stick 4K and Nvidia Shield can assist Dolby Vision and Dolby Atmos. Meanwhile LG’s apps for Netflix, Amazon, Disney Plus and Vudu all assist Dolby Vision and Dolby Atmos, whereas Apple TV app helps Vision however not Atmos. Using the TV’s built-in apps will get you the highest-quality video and audio from these companies, no exterior streamer required.The distant tracks the movement of your hand to whip rapidly across the display, one thing that is significantly useful when signing into apps or looking out 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 gadgets that allow you to use each Google Assistant and Amazon Alexa. The foremost mic button invokes Google Assistant whereas a long-press of the Amazon button will get you Alexa. Both can do all the same old Assistant stuff, together with management good residence gadgets, reply questions and reply by way of a voice popping out of the TV’s audio system (yep, each voices). Basics like “What’s the weather?” 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 capable of fireplace up my iPhone to share photographs and video to the display from the Photos app in addition to mirror my Mac and cellphone screens. The LG additionally has the Apple TV app, after all.Key options

    Display expertise


    LED backlight




    HDR suitable

    HDR10 and Dolby Vision

    Smart TV




    The feature-packed CX consists of nearly every part that issues in a contemporary TV. LG says the brand new A9 Gen 3 chip — included on the CX however not on the B9 or BX — has improved deep studying chops and “AI picture Pro” 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 Expert modes of years previous. As promised it turns off the Soap Opera Effect for film-based content material (yay) however so do many different modes within the CX, together with Cinema, ISF and Dolby Vision itself (sure, this TV has a LOT of image modes). While plenty-accurate it is also comparatively dim so I ended up utilizing Cinema and ISF Bright for most crucial viewing.All of LG’s 2019 and 2020 OLED fashions embody the newest model of the HDMI normal: 2.1. That 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 recreation mode). Check out HDMI 2.1: What it is advisable know for particulars. I did not check any of those options but for this overview.Speaking of VRR, the B9 and CX additionally assist the Nvidia G-Sync normal. One distinction between the 2, nevertheless, is that solely 2020 fashions just like the CX can 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 instructed CNET that “the market situation evolution indicated that real content that requires 48Gbps is not available in the market.” The solely gadgets that may look higher at 12-bit in comparison with 10-bit are next-generation consoles just like the PlayStation 5 and Xbox One Series X, however I’d be stunned if it makes an enormous distinction. 
    David Katzmaier/CNET
    The number of connections is in any other case top-notch. Unlike lots of Samsung’s units, this one truly has an analog video enter for legacy (non-HDMI) gadgets, though it not helps analog element video. There’s additionally a devoted headphone/analog audio output.Four 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) portPicture high quality comparisons
    David Katzmaier/CNET
    Normally I’m capable of examine a TV in opposition to 4 or 5 others side-by-side, however throughout coronavirus lockdown the dimensions of my basement — and restricted entry to comparability TVs — decreased that quantity to 2. Happily they had been two of the very best TVs of 2019, the B9 OLED and the TCL 8-Series. As I discussed above the CX and B9 had been principally tied, with picture high quality that deserves a rating of 10/10, whereas the TCL fell a bit wanting each. Click the picture on the proper to see the image settings used within the overview 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. Every scene benefited, however as standard the darker ones confirmed the most important variations. As the Parks talk about the transgressions of their chauffeur in Chapter 4, for instance, colours of their faces, garments and the encompassing kitchen appeared, nicely, richer and extra real looking. In extraordinarily darkish scenes like Park Dong-ik’s experience behind the automobile, the distinction was much more evident in a side-by-side comparability.Shadow element was glorious on the CX and general darkish areas nonetheless appeared considerably extra real looking than with the TCL. Pro 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.Bright lighting: No main modifications right here: The CX was as brilliant as earlier LG OLEDs and considerably dimmer than high-end LCDs.Light output in nits


    Brightest (SDR)

    Accurate shade (SDR)

    Brightest (HDR)

    Accurate shade (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 Expert modes. The thought is to extend distinction for brighter viewing environments whereas sustaining the superior shade 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 shade columns above I used ISF Expert Bright (Peak Brightness: High) for SDR and Filmmaker mode for HDR — I like to recommend CX house owners do the identical to get good shade in brilliant rooms.Overall, the OLED units are nonetheless lots brilliant sufficient for nearly any viewing atmosphere. Yes, they do get fairly a bit dimmer than the LCDs when exhibiting full-screen white — a hockey recreation, for instance — however even in these conditions they’re hardly dim.The CX and B9 preserved black ranges and decreased reflections very nicely — higher than the TCL. I did not examine a Samsung straight for this overview however prior to now that model’s high-end fashions have delivered the very best bright-room efficiency general.Color accuracy: Before my normal calibration, the ISF Expert, Cinema and Filmmaker modes had been already tremendous correct, among the many finest I’ve seen, and afterward the CX was as correct as I’d anticipate. As standard, OLED’s superior black ranges additionally improved the notion of shade saturation in comparison with the LCD different shows. Bright 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 troublesome 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. Looking for proof of the CX’s fancy new chip in motion, I attempted an outdated favourite: Game of Thrones’ The Long Night 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. But the CX did not clear it up a lot 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 in the course of the Dothraki cost (12:51) and when the solitary horse returns (13:47), however I needed to look exhausting to identify the advance. And typically the B9 appeared higher; for instance it confirmed much less noise than the CX within the black sky round Sir Davos’ face (7:13). I’ll give the slight edge to the CX, however it’s actually delicate.With the Real Cinema setting turned on, the CX handed my go-to 1080p/24 movie cadence check from I Am Legend in Off, Cinema Clear and User (0-4 for De-Judder and 10 for De-Blur) TruMotion place. The latter two additionally delivered the TV’s most movement decision (600 strains). For 2020 LG’s User De-Judder setting is best than final 12 months, with extra of a variety for finicky cadence purists (we all know who we’re) to dial in the correct quantity of smoothness; something 4 or decrease launched some judder to my eye, conveying a way of movie somewhat than cleaning soap opera impact. Clear however is towards the smoother aspect, albeit nonetheless tolerable. Personally I want User: De-Judder 0 however it’s nice that there is extra good choices than ever.
    David Katzmaier/CNET
    There’s additionally a setting labeled OLED Motion Pro, out there solely within the User 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, High and Auto, with progressively higher movement decision, High tops out on the most 1,200 strains in my check however was fairly dim and flickery. Medium was the very best general, measuring barely much less at 1080 strains however with almost the identical gentle 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 8 collection or the Samsung Q70, for movement decision.The drawback? Engaging any OLED Motion Pro setting apart from Off crushed shadow element and made the picture look too darkish. My recommendation is to keep away from utilizing this setting except you calibrate the picture particularly for it — otherwise you hate blur a lot that you just’re prepared to sacrifice having the ability to see darkish areas clearly.Gaming enter lag is just like final 12 months, which is to say very good. The CX confirmed 13.7 and 13.8 milliseconds in recreation mode for 1080p and 4K HDR sources, respectively. That’s shy of the C9 by mere tenths of a millisecond. If you’ll be able to inform the distinction, hats off to you.Uniformity: Like all current OLED units, the CX was extraordinarily uniform in brightness and shade, with no seen variations throughout the display. In comparability 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 standard the 2 OLEDs had been a lot better at sustaining constancy from off-angle, when seen from seats aside from the candy spot proper in the midst of the display. There had been no variations in uniformity between the B9 and CX.Parasite is a superb film that appears spectacular in 4K HDR.
    CJ Entertainment
    HDR and 4K video: The 4K Blu-ray of Parasite appeared spectacular on all three high-end TVs, as anticipated, however the OLEDs had the benefit. The TCL beat them in brightness and spotlight pop, nevertheless. In Chapter 3 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. Despite the additional brightness, nevertheless, the general distinction and richness of the OLEDs’ picture made the LCD look comparatively flat by comparability in lots of scenes. In the standards at 30:51, for instance, there was only a bit extra pop and shade 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 behind the automobile at 30:14. Looking on the attractive 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 was very brilliant — the desert sand, and vegetation at 5:20 was an excellent instance. The OLEDs did not look dim by any means however the TCL was higher in these brilliant scenes. In extra combined and darker scenes, however, the OLEDs superior distinction once more gained out.Keeping 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 basically, 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 truly 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 vs. 660 nits).Geek Box




    Black luminance (0%)



    Peak white luminance (SDR)



    Avg. gamma (10-100%)



    Avg. grayscale error (10-100%)



    Dark grey error (30%)



    Bright grey error (80%)



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    1080p/24 Cadence (IAL)



    Motion decision (max)



    Motion decision (dejudder off)



    Input lag (Game mode)




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    Peak white luminance (10% win)



    Gamut % UHDA/P3 (CIE 1976)



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    LG OLEDCX CNET Calibration Results by David Katzmaier on Scribd

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