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LG OLED B7 vs LG OLED CX

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

LGOLED B7LGOLED CX
Overview
Released2017March 2020
Display
PanelOLEDOLED
Panel detail–Self-lit OLED with pixel dimming
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate120 Hz120 Hz
HDR formatsDolby Vision, HDR10, HLGDolby Vision, HDR10, HLG
HDR extras–Dolby Vision IQ and Dynamic Tone Mapping
Picture processingColour Master Engine, Active Depth Enhancer, 4K upscaling and Active HDR processingAI Picture Pro, Face Enhancing, AI Upscaling, AI Genre Selection and AI Brightness
Picture modes–10 modes, including Filmmaker, Cinema, Game, HDR Effect and ISF Expert Bright Room and Dark Room
Motion handlingNative 120Hz panel; no variable refresh rate (RTINGS). The RTINGS review covers the US B7A variant, whose speaker configuration differs from the UK B7V.OLED Motion Pro; 120Hz panel refresh rate
Sizes
Sizes55, 65″48, 55, 65, 77″
Largest size65″77″
Gaming
HDMI ports4 (0 HDMI 2.1 at 4K 120 Hz+)4 (all HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateNoneHDMI VRR, FreeSync, G-Sync Compatible
Auto low latency mode–Yes
HDMI detailFour HDMI inputs with ARC and Simplink HDMI CEC; no full-bandwidth HDMI 2.1 or VRR (RTINGS)Four HDMI 2.1 ports, 4K 120Hz with 10-bit HDR and 4:4:4 chroma at 40 Gbps (TechRadar); eARC on HDMI 2
Game featuresGame mode; no variable refresh rate (RTINGS)G-Sync Compatible, FreeSync, HGiG and Instant Game Response with VRR and ALLM
Smart TV and sound
Smart TV platformwebOSwebOS
Processor–α9 Gen3 AI Processor 4K
Speakers40 W, 2.2 channels–
Dolby AtmosYesYes
eARC–Yes
Wi-FiWi-Fi 5 (802.11ac)Wi-Fi 5
Bluetooth–5.0
Speaker detailDown-firing speakers with 20 W woofer output within the 40 W totalLG UK lists 40 W, 2.2 channels for the 65″ OLED65CX6LA
Audio featuresMagic Sound Tuning, Dolby Surround and DTS decoding. The launch UK sheet says Blu-ray Dolby Atmos requires a software update later in 2017; Expert Reviews distinguishes Dolby Digital Plus decoding from TrueHD.AI Sound Pro, AI Acoustic Tuning, Clear Voice IV and Bluetooth Surround Ready
Voice assistantsNatural voice recognition through the supplied Magic RemoteLG ThinQ AI, Google Assistant and Amazon Alexa; LG says Google Assistant is unavailable in the Republic of Ireland
CastingMiracast and WiDi supported–
Software updateswebOS 3.5 with Freeview Play. LG's June 2017 US release confirms B7 already available; an exact earliest sale month was not established, so release uses year precision.webOS 5.0 at launch
TV tunersUK DVB-T2/C/S2; digital recording and eight-day programme guideUK OLED65CX6LA has DVB-T2/T, DVB-C and DVB-S2/S; 2 RF inputs and CI+ 1.4
USBThree USB ports, including one USB 3.0 port3 × USB
EthernetEthernet LAN portEthernet port
Optical audio outOptical digital audio output and headphone/line output on UK modelsOptical digital audio output; UK OLED65CX6LA also has a shared headphone/line output
Design and power
SizeWithout stand (W × H × D): 55″ 1229 × 708 × 48.6 mm; 65″ 1451 × 831 × 48.6 mm. The exact 65-inch B7V dimensions and weight come from LG Austria because the UK page was inaccessibleUK 65″ OLED65CX6LA without stand 1449 × 830 × 46.9 mm; with stand 1449 × 862 × 251 mm, 32.6 kg
StandCrescent pedestal stand; with stand (W × H × D): 55″ 1229 × 764 × 254 mm; 65″ 1451 × 882 × 225 mmUK 65″ OLED65CX6LA footprint 998 × 251 mm
VESA pattern300 × 200 mm for both sizesUK 65″ OLED65CX6LA 300 × 200 mm
Power use0.3 W standby; 100–240 V AC, 50–60Hz supplyUnder 0.5 W standby
In the boxMagic Remote, batteries, power cable and owner's manualMagic Remote MR20, 2 AA batteries and attached power cable

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