LG OLED B3 vs LG OLED C7

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OLED B3 compared with OLED C7

	LGOLED B3	LGOLED C7
Overview
Released
Released	April 2023	2017
Display
Panel
Panel	OLED	OLED
Resolution
Resolution	3840 × 2160 (4K)	3840 × 2160 (4K)
Refresh rate
Refresh rate	120 Hz	120 Hz
HDR formats
HDR formats	Dolby Vision, HDR10, HLG	Dolby Vision, HDR10, HLG
Picture processing
Picture processing	AI Picture Pro, AI Super Upscaling 4K, Dynamic Tone Mapping, AI Brightness Control and Filmmaker Mode	Colour Master Engine, Active Depth Enhancer, 4K upscaling and Active HDR processing
Motion handling
Motion handling	UK sheets label 100Hz native and explicitly support 4K 120fps HFR over HDMI.	Native 120Hz panel and interpolation to 120fps (RTINGS); 4K HDMI input is limited to 60Hz. No optional black-frame insertion (RTINGS).
Sizes
Sizes
Sizes	55, 65, 77″	55, 65″
Largest size
Largest size	77″ (better)	65″
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, with 4K 120Hz, VRR, ALLM and QMS on two; eARC on HDMI 3. RTINGS identifies the two 4K 120Hz inputs as HDMI 3 and 4.	Four HDMI inputs with ARC and Simplink HDMI CEC; no full-bandwidth HDMI 2.1 or VRR (RTINGS)
Game features
Game features	HGiG, Game Optimiser and Game Dashboard; FreeSync Compatible and G-Sync Compatible	Game mode; no variable refresh rate (RTINGS)
Smart TV and sound
Smart TV platform
Smart TV platform	webOS	webOS
Processor
Processor	α7 AI Processor 4K Gen6	–
Speakers
Speakers	20 W, 2.0 channels	40 W, 2.2 channels (better)
Dolby Atmos
Dolby Atmos	Yes	Yes
eARC
eARC	Yes	–
Wi-Fi
Wi-Fi	Wi-Fi 5	Wi-Fi
Bluetooth
Bluetooth	5.0	–
Speaker detail
Speaker detail	20 W, 2.0-channel down-firing speakers	Down-firing speakers with 20 W woofer output within the 40 W total
Audio features
Audio features	Dolby Atmos, Clear Voice Pro and AI Sound Pro virtual 5.1.2 up-mix	Magic 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 assistants
Voice assistants	–	Natural voice recognition through the supplied Magic Remote
Casting
Casting	Apple AirPlay 2	Miracast and WiDi supported
Software updates
Software updates	Launch webOS 23; UK maker lists security updates until 31 December 2027	webOS 3.5 with Freeview Play. LG's Australian launch scheduled late March 2017, and its June US release confirms C7 already available; an exact earliest sale month was not established, so release uses year precision.
TV tuners
TV tuners	–	UK DVB-T2/C/S2; digital recording and eight-day programme guide
USB
USB	Two USB 2.0 inputs	Three USB ports, including one USB 3.0 port
Ethernet
Ethernet	One Ethernet input	Ethernet LAN port
Optical audio out
Optical audio out	One optical digital audio output	Optical digital audio output and headphone/line output on UK models
Design and power
Size
Size	Without stand (W × H × D): 55″ 1228 × 708 × 46.9 mm; 65″ 1449 × 832 × 46.9 mm; 77″ 1723 × 992 × 55.3 mm	Without stand (W × H × D): 55″ 1230 × 710 × 46.6 mm; 65″ 1453 × 833 × 46.6 mm
Stand
Stand	Centre stand footprint: 55″ and 65″ 559 × 246 mm; 77″ 749 × 270 mm	Stiletto pedestal stand; with stand (W × H × D): 55″ 1230 × 750 × 217 mm; 65″ 1453 × 873 × 217 mm
VESA pattern
VESA pattern	55″ and 65″ 300 × 200 mm; 77″ 400 × 200 mm	300 × 200 mm for both sizes
Power use
Power use	Under 0.5 W in standby	0.3 W standby; 100–240 V AC, 50–60Hz supply
In the box
In the box	Magic Remote with two AA batteries and attached power cable	Magic Remote, batteries, power cable and owner's manual