LG OLED B1 vs Sony BRAVIA AG9

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OLED B1 compared with BRAVIA AG9

	LGOLED B1	SonyBRAVIA AG9
Overview
Released
Released	2021	2019
Display
Panel
Panel	OLED	OLED
Panel detail
Panel detail	Self-lit OLED with pixel dimming and Ultra Luminance Pro	Self-emitting OLED with Sony Pixel Contrast Booster and TRILUMINOS processing. Sony lists 1080p 100/120 Hz input, but only up to 4K 60 Hz; a native panel rate is not stated as a main specification.
Resolution
Resolution	3840 × 2160 (4K)	3840 × 2160 (4K)
Refresh rate
Refresh rate	120 Hz	–
HDR formats
HDR formats	Dolby Vision, HDR10, HLG	HDR10, HLG, Dolby Vision
Picture processing
Picture processing	AI Picture, AI upscaling, AI Brightness Control, dynamic tone mapping and Filmmaker Mode	X1 Ultimate, 4K X-Reality PRO, dual database processing, Object-based Super Resolution, Pixel Contrast Booster and Netflix Calibrated mode.
Picture modes
Picture modes	–	Vivid, Standard, Cinema, Game, Graphics, Photo, Custom, Dolby Vision Bright/Dark and Netflix Calibrated.
Motion handling
Motion handling	Native 120Hz panel and OLED Motion Pro	Motionflow XR with Auto mode; Sony's UK sheet specifies video input up to 1080p 100/120 Hz and 4K 60 Hz. It does not publish a native panel rate for the complete UK series.
Sizes
Sizes
Sizes	55, 65, 77″	55, 65, 77″
Largest size
Largest size	77″	77″
Gaming
HDMI ports
HDMI ports	4 (2 HDMI 2.1 at 4K 120 Hz+) (better)	4 (0 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rate
Variable refresh rate	HDMI VRR, FreeSync, G-Sync Compatible	None
Auto low latency mode
Auto low latency mode	Yes	–
HDMI detail
HDMI detail	Four HDMI inputs; HIFI.DE and Les Numériques identify HDMI 3 and 4 as the two 4K 120Hz inputs, with HDMI 1 and 2 limited to HDMI 2.0. LG specifies eARC on HDMI 3.	Four HDMI inputs (one side and three bottom), HDCP 2.3, with eARC on HDMI 3 according to Sony and AVForums. No HDMI input accepts 4K 120 Hz.
Game features
Game features	Game Optimiser, HGiG, NVIDIA G-SYNC Compatible and AMD FreeSync support	Game picture mode; Sony UK does not list VRR or ALLM.
Smart TV and sound
Smart TV platform
Smart TV platform	webOS	Android TV
Processor
Processor	α7 Gen4 Processor 4K	X1 Ultimate
Speakers
Speakers	40 W, 2.2 channels	60 W, 2.2 channels (better)
Dolby Atmos
Dolby Atmos	Yes	–
eARC
eARC	Yes	Yes
Wi-Fi
Wi-Fi	Wi-Fi 5 (802.11ac)	Wi-Fi 802.11a/b/g/n/ac
Bluetooth
Bluetooth	5.0	Bluetooth 4.2
Speaker detail
Speaker detail	Down-firing 2.2-channel speakers; 20 W woofer output within the 40 W total	Acoustic Surface Audio+ with two 20 W screen actuators and two 10 W subwoofer channels, total 60 W. TV centre-speaker mode can feed the screen from an external receiver.
Audio features
Audio features	AI Sound, acoustic tuning, Clear Voice, Bluetooth Surround Ready and WiSA 2.1-channel support	–
Voice assistants
Voice assistants	LG voice search, Google Assistant and Amazon Alexa	–
Casting
Casting	AirPlay 2, Apple HomeKit, screen sharing and ThinQ app	Chromecast built in, Google Play Store and Google Assistant through Android TV.
Software updates
Software updates	webOS 6.0. LG's February 2021 global rollout announcement identifies B1 but leaves individual market launch dates for later announcements; the first on-sale month remains unconfirmed.	–
TV tuners
TV tuners	UK DVB-T/T2, DVB-C and DVB-S2; CI+ 1.4, eight-day programme guide and USB recording/time shift	Dual DVB-T/T2 and DVB-S/S2 digital tuners, DVB-C and analogue reception according to Sony UK.
USB
USB	Three USB ports	Three USB ports, two side and one bottom, with USB HDD recording.
Ethernet
Ethernet	Ethernet LAN port	One bottom Ethernet socket.
Optical audio out
Optical audio out	Optical digital audio output and shared headphone/line output	One bottom digital audio output.
Design and power
Size
Size	Without stand (W × H × D): 55″ 1228 × 706 × 46.9 mm; 65″ 1449 × 830 × 46.9 mm; 77″ 1723 × 993 × 55 mm	Sony UK lists the 77″ body at approximately 1721 × 996 × 49 mm without stand. Configuration weights are Sony UK without-stand figures.
Stand
Stand	With stand (W × H × D; weight): 55″ 1228 × 744 × 246 mm, 19.9 kg; 65″ 1449 × 869 × 246 mm, 25 kg; 77″ 1723 × 1043 × 270 mm, 30 kg. Stand footprint 559 × 246 mm for 55/65″ and 749 × 270 mm for 77″.	Low central dark-silver stand, around 5 mm beneath the screen in AVForums' KD-55AG9 review; separate soundbars may block the picture when placed in front.
Colours
Colours	–	Black bezel and dark-silver stand.
VESA pattern
VESA pattern	55/65″ 300 × 200 mm; 77″ 400 × 200 mm	–
Power use
Power use	Under 0.5 W standby; 100–240 V AC, 50–60Hz supply	–
In the box
In the box	MR21 Magic Remote, batteries and detachable power cable	–