LG OLED B7 vs Sony BRAVIA A8

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

Better figure, where one is clearly better

OLED B7 compared with BRAVIA A8
LGOLED B7SonyBRAVIA A8
Overview
Released2017May 2020
Display
PanelOLEDOLED
Panel detail–Self-emitting OLED with Pixel Contrast Booster. Sony lists input up to 1080p 100/120 Hz and 4K 60 Hz, without a native panel-rate figure in its UK sheet.
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate120 Hz–
HDR formatsDolby Vision, HDR10, HLGHDR10, HLG, Dolby Vision
Picture processingColour Master Engine, Active Depth Enhancer, 4K upscaling and Active HDR processingX1 Ultimate, 4K X-Reality PRO, Dual database processing, Object-based Super Resolution and Pixel Contrast Booster.
Picture modes–Vivid, Standard, Cinema, Game, Graphics, Photo, Custom, Dolby Vision Bright/Dark and Netflix Calibrated.
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.X-Motion Clarity with Auto mode; Sony lists HDMI input up to 1080p 100/120 Hz or 4K 60 Hz. Native panel rate is not stated in the UK specifications.
Sizes
Sizes55, 65″55, 65″
Largest size65″65″
Gaming
HDMI ports4 (0 HDMI 2.1 at 4K 120 Hz+)4 (0 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateNoneNone
HDMI detailFour HDMI inputs with ARC and Simplink HDMI CEC; no full-bandwidth HDMI 2.1 or VRR (RTINGS)Four HDMI inputs, one side and three bottom, with HDCP 2.3 and eARC/ARC. Sony lists eARC as the only HDMI 2.1 feature; the inputs do not accept 4K 120 Hz.
Game featuresGame mode; no variable refresh rate (RTINGS)Game picture mode. The exact-model AVForums and What Hi-Fi reviews report no VRR or ALLM; AVForums measured 19 ms input lag at 4K 60 Hz HDR.
Smart TV and sound
Smart TV platformwebOSAndroid TV
Processor–X1 Ultimate
Speakers40 W, 2.2 channels (better)30 W, 2.2 channels
eARC–Yes
Dolby AtmosYes–
Wi-FiWi-Fi 5 (802.11ac)Wi-Fi 802.11a/b/g/n/ac
Bluetooth–Bluetooth 4.2
Speaker detailDown-firing speakers with 20 W woofer output within the 40 W totalAcoustic Surface Audio with two 10 W screen actuators and two 5 W subwoofers, total 30 W, plus Dolby Atmos decoding. Sony does not list TV centre-speaker mode.
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.–
Voice assistantsNatural voice recognition through the supplied Magic Remote–
CastingMiracast and WiDi supportedAndroid TV with Google Play Store, Chromecast built in, Apple AirPlay 2 and HomeKit.
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.–
TV tunersUK DVB-T2/C/S2; digital recording and eight-day programme guideDual DVB-T/T2 and DVB-S/S2 digital tuners, DVB-C and analogue reception according to Sony UK.
USBThree USB ports, including one USB 3.0 portThree USB ports, two side and one bottom, with USB HDD recording.
EthernetEthernet LAN portOne bottom Ethernet socket.
Optical audio outOptical digital audio output and headphone/line output on UK modelsOne bottom digital audio 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 inaccessibleSony UK gives the 55″ body as approximately 1227 × 712 × 52 mm and the 65″ body as 1448 × 836 × 52 mm, both without stands. Configuration weights are without-stand figures.
StandCrescent pedestal stand; with stand (W × H × D): 55″ 1229 × 764 × 254 mm; 65″ 1451 × 882 × 225 mmDark-silver metal blade stand with standard and raised soundbar positions.
Colours–Black bezel and dark-silver stand.
VESA pattern300 × 200 mm for both sizes–
Power use0.3 W standby; 100–240 V AC, 50–60Hz supply–
In the boxMagic Remote, batteries, power cable and owner's manual–

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