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LG OLED B3 vs LG OLED E7

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

LGOLED B3LGOLED E7
Overview
ReleasedApril 20232017
Display
PanelOLEDOLED
Panel detail–Picture-on-Glass OLED panel with pixel dimming
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate120 Hz–
HDR formatsDolby Vision, HDR10, HLGDolby Vision, HDR10, HLG
Peak brightness–AVForums measured 670 nits on a 10% HDR window on the 65E7V; this is a review measurement, not an LG claim
Picture processingAI Picture Pro, AI Super Upscaling 4K, Dynamic Tone Mapping, AI Brightness Control and Filmmaker ModeColour Master Engine, Active Depth Enhancer, Ultra Luminance and 4K upscaling on the UK 65E7V
Motion handlingUK sheets label 100Hz native and explicitly support 4K 120fps HFR over HDMI.TruMotion processing; AVForums found optional smoothing could introduce artefacts
Sizes
Sizes55, 65, 77″55, 65″
Largest size77″65″
Gaming
HDMI ports4 (2 HDMI 2.1 at 4K 120 Hz+)4 (0 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateHDMI VRR, FreeSync, G-Sync CompatibleNone
Auto low latency modeYes–
HDMI detailFour 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 on the UK 65E7V; the 2017 inputs do not support 4K 120Hz or VRR
Input lag–AVForums found low game-mode input lag on the 65E7V
Game featuresHGiG, Game Optimiser and Game Dashboard; FreeSync Compatible and G-Sync Compatible–
Smart TV and sound
Smart TV platformwebOSwebOS
Processorα7 AI Processor 4K Gen6–
Speakers20 W, 2.0 channels–
Dolby AtmosYesYes
eARCYes–
Wi-FiWi-Fi 5–
Bluetooth5.0–
Speaker detail20 W, 2.0-channel down-firing speakersThe UK OLED65E7V has 4.2-channel, 60 W speakers including a 20 W woofer. The exact German OLED55E7N instead lists 2.2-channel, 40 W sound; no single power or channel value describes both.
Audio featuresDolby Atmos, Clear Voice Pro and AI Sound Pro virtual 5.1.2 up-mixDolby Atmos decoding. LG's UK 65E7V sheet says Atmos from Blu-ray players required a software update scheduled for later in 2017.
CastingApple AirPlay 2Miracast and WiDi on the German 55E7N
Software updatesLaunch webOS 23; UK maker lists security updates until 31 December 2027webOS 3.5 and Magic Remote; Freeview Play on the UK 65E7V. An exact first on-sale month was not established, so release uses year precision.
TV tuners–German 55E7N DVB-T2 HD, DVB-C and DVB-S2; UK 65E7V DVB-T2/C/S2 with twin satellite inputs
USBTwo USB 2.0 inputsThree USB ports on both documented models, including one USB 3.0 port
EthernetOne Ethernet inputOne Ethernet LAN port on both documented models
Optical audio outOne optical digital audio outputOptical digital audio and 3.5 mm headphone outputs on both documented models
Design and power
SizeWithout stand (W × H × D): 55″ 1228 × 708 × 46.9 mm; 65″ 1449 × 832 × 46.9 mm; 77″ 1723 × 992 × 55.3 mmWithout stand (W × H × D): German 55E7N 1237 × 767 × 56.7 mm; UK 65E7V 1461 × 877 × 62 mm
StandCentre stand footprint: 55″ and 65″ 559 × 246 mm; 77″ 749 × 270 mmWith stand (W × H × D): German 55E7N 1237 × 767 × 175 mm; UK 65E7V 1461 × 904 × 195 mm
VESA pattern55″ and 65″ 300 × 200 mm; 77″ 400 × 200 mmGerman 55E7N 400 × 200 mm; UK 65E7V 300 × 200 mm
Power useUnder 0.5 W in standbyGerman 55E7N 112 W typical and 0.3 W standby; UK 65E7V 0.3 W standby
In the boxMagic Remote with two AA batteries and attached power cableMagic Remote and batteries on the documented regional models

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