LG OLED B1 vs Sony BRAVIA A1

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OLED B1 compared with BRAVIA A1

	LGOLED B1	SonyBRAVIA A1
Overview
Released
Released	2021	2017
Display
Panel
Panel	OLED	OLED
Panel detail
Panel detail	Self-lit OLED with pixel dimming and Ultra Luminance Pro	Self-emissive OLED. HDTVTest measured a 120 Hz panel on its exact 65-inch UK review sample; Sony's UK sheets do not publish one native rate for all three sizes, so no series-wide Hz is assigned.
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
HDR extras
HDR extras	–	Sony UK says HDR10 and HLG are supported; Dolby Vision was added later by firmware, in April 2018 in Europe rather than at the 2017 launch.
Picture processing
Picture processing	AI Picture, AI upscaling, AI Brightness Control, dynamic tone mapping and Filmmaker Mode	X1 Extreme, 4K X-Reality PRO, Dual database processing, Object-based HDR remaster and Super bit mapping 4K HDR.
Motion handling
Motion handling	Native 120Hz panel and OLED Motion Pro	Sony lists Motionflow XR without a native Hz figure on its UK sheets. HDTVTest measured 120 Hz on the 65-inch UK sample, with 650 lines of motion resolution when Motionflow was engaged.
Viewing angle
Viewing angle	–	HDTVTest measured a very wide 166-degree viewing cone on its 65-inch sample.
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 with HDCP 2.2 and ARC; HDTVTest found only inputs 2 and 3 accept 4K 60 Hz at higher bit depth/chroma. These are HDMI 2.0-era inputs, not HDMI 2.1 at 4K 120 Hz.
Input lag
Input lag	–	HDTVTest measured 47 ms at 1080p and 31 ms at 4K on the 65-inch UK sample, in its tested modes.
Game features
Game features	Game Optimiser, HGiG, NVIDIA G-SYNC Compatible and AMD FreeSync support	Game and Graphics picture modes; no VRR or ALLM claim in Sony's UK A1 material.
Smart TV and sound
Smart TV platform
Smart TV platform	webOS	Android TV
Processor
Processor	α7 Gen4 Processor 4K	4K HDR Processor X1 Extreme
Speakers
Speakers	40 W, 2.2 channels	50 W, Acoustic Surface actuators and rear subwoofer channels (better)
Dolby Atmos
Dolby Atmos	Yes	–
eARC
eARC	Yes	–
Wi-Fi
Wi-Fi	Wi-Fi 5 (802.11ac)	Wi-Fi 802.11a/b/g/n/ac
Bluetooth
Bluetooth	5.0	Bluetooth 4.1
Speaker detail
Speaker detail	Down-firing 2.2-channel speakers; 20 W woofer output within the 40 W total	Sony Acoustic Surface uses panel actuators and a rear subwoofer. Sony lists five 10 W outputs, totalling 50 W; both exact reviews praised sound alignment with on-screen action.
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 into Android TV, per Sony UK.
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	Two digital terrestrial/cable tuners and two satellite tuners; DVB-T/T2, DVB-C and DVB-S/S2.
USB
USB	Three USB ports	Three USB ports, one side and two bottom; Sony lists USB HDD recording.
Ethernet
Ethernet	Ethernet LAN port	One bottom Ethernet input.
Optical audio out
Optical audio out	Optical digital audio output and shared headphone/line output	One bottom optical digital 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	Without support stand (W × H × D), Sony UK: 55″ 1228 × 711 × 86 mm, 65″ 1451 × 834 × 86 mm, 77″ 1721 × 997 × 99 mm. Sony separately gives a 7.8 mm thin panel section for 55/65; it is not the total depth.
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″.	Rear leaning support slate hides electronics and subwoofer; Sony's with-stand depth is 339 mm for 55/65 and 399 mm for 77. Sony UK announced 77-inch UK availability for late September 2017, after the smaller sizes.
VESA pattern
VESA pattern	55/65″ 300 × 200 mm; 77″ 400 × 200 mm	400 × 200 mm for 55/65; 400 × 300 mm for 77.
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	Sony UK lists stand, voice remote, batteries, IR blaster, power cord, operating instructions and quick setup guide.