LG OLED B3 vs LG OLED E9

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OLED B3 compared with OLED E9

	LGOLED B3	LGOLED E9
Overview
Released
Released	April 2023	2019
Display
Panel
Panel	OLED	OLED
Panel detail
Panel detail	–	Picture-on-Glass OLED panel with pixel dimming
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	–	LG also lists Advanced HDR by Technicolor; HDR10 Pro is LG processing for HDR10, not HDR10+
Peak brightness
Peak brightness	–	AVForums measured just under 700 nits on 1–10% HDR windows on the 55E9; review measurement, not an LG claim
Picture processing
Picture processing	AI Picture Pro, AI Super Upscaling 4K, Dynamic Tone Mapping, AI Brightness Control and Filmmaker Mode	α9 Gen 2 with AI Picture, AI Brightness, Quad Step Noise Reduction, 4K upscaling, True Colour Accuracy Pro and HDR Dynamic Tone Mapping Pro
Motion handling
Motion handling	UK sheets label 100Hz native and explicitly support 4K 120fps HFR over HDMI.	LG lists OLED Motion Pro and 4K high-frame-rate playback; its launch UK sheet says 4K HFR via HDMI would receive an update
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+)	4 (all HDMI 2.1 at 4K 120 Hz+) (better)
Variable refresh rate
Variable refresh rate	HDMI VRR, FreeSync, G-Sync Compatible	HDMI VRR, G-Sync Compatible
Auto low latency mode
Auto low latency mode	Yes	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 2.1 inputs, one rear and three side; eARC on HDMI 2. AVForums confirms all four can handle 4K 120Hz after the advertised HDMI HFR update.
Variable refresh range
Variable refresh range	–	HDMI variable refresh rate supported; LG did not publish a range in the UK spec table
Input lag
Input lag	–	AVForums measured 12.8 ms in game mode on the OLED55E9
Game features
Game features	HGiG, Game Optimiser and Game Dashboard; FreeSync Compatible and G-Sync Compatible	Instant Game Response with VRR and ALLM. LG later announced G-SYNC Compatible support for 2019 E9 models via firmware; it was not a launch feature.
Smart TV and sound
Smart TV platform
Smart TV platform	webOS	webOS
Processor
Processor	α7 AI Processor 4K Gen6	α9 Gen 2 Intelligent Processor
Speakers
Speakers	20 W, 2.0 channels	60 W, 4.2 channels (better)
Dolby Atmos
Dolby Atmos	Yes	Yes
eARC
eARC	Yes	Yes
Wi-Fi
Wi-Fi	Wi-Fi 5	Wi-Fi 5 (802.11ac)
Bluetooth
Bluetooth	5.0	5.0
Speaker detail
Speaker detail	20 W, 2.0-channel down-firing speakers	Front-firing 4.2-channel, 60 W system including 20 W of woofer power
Audio features
Audio features	Dolby Atmos, Clear Voice Pro and AI Sound Pro virtual 5.1.2 up-mix	Dolby Atmos, AI Sound, Dolby Surround, DTS decoding, LG Sound Sync and WiSA speaker compatibility
Voice assistants
Voice assistants	–	LG UK lists Google Assistant; its spec table says Alexa compatibility requires the later 2019 Magic Remote revision. LG's March launch announcement describes Alexa as a later firmware update.
Casting
Casting	Apple AirPlay 2	LG UK lists Apple AirPlay 2, a mid-2019 update according to its launch announcement
Software updates
Software updates	Launch webOS 23; UK maker lists security updates until 31 December 2027	webOS with Magic Remote and ThinQ AI. LG's March 2019 press expected the 65-inch E9 at US dealers in April; UK reporting listed 29 April for OLED65E9PLA. Neither established actual first sale, so release uses year precision.
TV tuners
TV tuners	–	UK DVB-T2/C/S2 with HbbTV, EPG and digital recording
USB
USB	Two USB 2.0 inputs	Three USB ports, two rear and one side
Ethernet
Ethernet	One Ethernet input	Rear Ethernet LAN port
Optical audio out
Optical audio out	One optical digital audio output	Rear optical digital audio and headphone/line output
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″ 1226 × 753 × 50.3 mm; 65″ 1447 × 877 × 50.3 mm
Stand
Stand	Centre stand footprint: 55″ and 65″ 559 × 246 mm; 77″ 749 × 270 mm	With stand (W × H × D): 55″ 1226 × 753 × 220 mm; 65″ 1447 × 877 × 220 mm. The published weights in configurations include the stand.
VESA pattern
VESA pattern	55″ and 65″ 300 × 200 mm; 77″ 400 × 200 mm	300 × 200 mm on both sizes
Power use
Power use	Under 0.5 W in standby	LG UK lists standby below 0.5 W
In the box
In the box	Magic Remote with two AA batteries and attached power cable	MR19 Magic Remote, two AA batteries and attached power cable