LG OLED B9 vs LG OLED BX

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OLED B9 compared with OLED BX

	LGOLED B9	LGOLED BX
Overview
Released
Released	2019	2020
Display
Panel
Panel	OLED	OLED
Panel detail
Panel detail	–	Self-lit OLED with pixel dimming and Ultra Luminance Pro
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
HDR extras
HDR extras	Advanced HDR by Technicolor also supported	–
Picture processing
Picture processing	AI Picture, AI Brightness, 4K Upscaler and dynamic tone mapping	AI Picture, face enhancement, AI Brightness, dynamic tone mapping, 4K upscaling and Filmmaker Mode
Motion handling
Motion handling	Native 120Hz (RTINGS); exact LG France 55-inch sheet confirms 4K HFR at 120fps over HDMI and USB. Original UK and Austrian sheets retain the launch wording that HDMI HFR would be enabled by update.	Native 120Hz OLED panel; OLED Motion Pro and 4K high-frame-rate playback. LG's 2020 rollout release states 120Hz for its OLED TVs, corroborated by the exact BX reviews.
Sizes
Sizes
Sizes	55, 65, 77″	55, 65″
Largest size
Largest size	77″ (better)	65″
Gaming
HDMI ports
HDMI ports	4 (all HDMI 2.1 at 4K 120 Hz+) (better)	4 (2 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rate
Variable refresh rate	HDMI VRR, G-Sync Compatible	HDMI VRR, FreeSync, G-Sync Compatible
Auto low latency mode
Auto low latency mode	Yes	Yes
HDMI detail
HDMI detail	Four HDMI 2.1 inputs, one rear and three side; eARC on HDMI 2. RTINGS' original test lacked an HDMI 2.1 source and did not measure 4K 120Hz input.	Four HDMI inputs, two HDMI 2.1 and two HDMI 2.0; two rear and two side connectors. LG specifies eARC on rear HDMI 3. HIFI.DE identifies the two rear inputs as HDMI 2.1; TechRadar's claim of four HDMI 2.1 inputs conflicts with LG's specification.
Game features
Game features	HDMI VRR and ALLM. RTINGS records G-Sync Compatible firmware support in its June 2020 update; this is a later feature, rather than a launch-day capability. No FreeSync support is claimed.	HGiG, NVIDIA G-SYNC Compatible, FreeSync and Instant Game Response with VRR and ALLM
Smart TV and sound
Smart TV platform
Smart TV platform	webOS	webOS
Processor
Processor	α7 Gen2 Intelligent Processor	α7 Gen3 Processor 4K
Speakers
Speakers	40 W, 2.2 channels	40 W, 2.2 channels
Dolby Atmos
Dolby Atmos	Yes	Yes
eARC
eARC	Yes	Yes
Wi-Fi
Wi-Fi	Wi-Fi 5 (802.11ac)	Wi-Fi 5 (802.11ac)
Bluetooth
Bluetooth	5.0	5.0
Speaker detail
Speaker detail	–	Down-firing 2.2-channel speakers; 20 W woofer output and 10 W per channel within the 40 W total
Audio features
Audio features	Dolby Atmos, AI Sound, Clear Voice III and DTS decoding; RTINGS confirms eARC Dolby Atmos and DTS:X passthrough to compatible receivers.	AI Sound, acoustic tuning, Clear Voice III, Bluetooth Surround Ready and WiSA speaker support
Voice assistants
Voice assistants	–	LG voice search, Google Assistant and Amazon Alexa
Casting
Casting	Apple AirPlay 2; regional maker sheets include this later feature	AirPlay support reported by HIFI.DE
Software updates
Software updates	First sale retained at year precision because no exact maker on-sale month was established by the bounded source search.	webOS 5.0. LG's March 2020 US release scheduled BX availability for May, but that future schedule does not confirm actual first sale; the first on-sale month remains unconfirmed. TechRadar describes missing UK Freeview Play at launch.
TV tuners
TV tuners	–	UK DVB-T/T2, DVB-C and DVB-S/S2; CI+ 1.4, eight-day programme guide and USB recording/time shift. The German review's twin-tuner specification is not applied to these UK models.
USB
USB	Three USB ports, two rear and one side	Three USB ports, one rear and two side
Ethernet
Ethernet	Ethernet LAN port	Ethernet LAN port
Optical audio out
Optical audio out	Optical digital audio output; headphone output also fitted	Optical digital audio output and shared headphone/line 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 × 992 × 55.3 mm. Exact PLA regional LG sheets fill missing UK size measurements.	Without stand (W × H × D): 55″ 1228 × 706 × 46.9 mm; 65″ 1449 × 830 × 46.9 mm
Stand
Stand	55″ and 65″ stand width 559 mm; 77″ with stand 1723 × 1043 × 270 mm	With stand (W × H × D; weight): 55″ 1228 × 744 × 246 mm, 19.9 kg; 65″ 1449 × 869 × 246 mm, 25 kg. Stand width 559 mm for both sizes.
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 standby; 100–240 V AC, 50–60Hz supply
In the box
In the box	Magic Remote and power cable; UK 65-inch sheet lists two AA batteries	MR20 Magic Remote, two AA batteries and attached power cable