LG OLED B4 vs LG OLED E7

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

Better figure, where one is clearly better

OLED B4 compared with OLED E7
LGOLED B4LGOLED E7
Overview
ReleasedMarch 20242017
Display
PanelOLEDOLED
Panel detailSelf-lit 4K OLED with pixel dimmingPicture-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, α8 AI Super Upscaling 4K, AI Brightness Control, Dynamic Tone Mapping Pro and Filmmaker ModeColour Master Engine, Active Depth Enhancer, Ultra Luminance and 4K upscaling on the UK 65E7V
Picture modesPersonalised Picture Wizard, Vivid, Standard, APS, Cinema, Sports, Game, Filmmaker and ISF Expert bright/dark room modes–
Motion handlingNative 120Hz panel; OLED Motion and HDMI 4K 120 fps inputTruMotion processing; AVForums found optional smoothing could introduce artefacts
Sizes
Sizes48, 55, 65, 77″55, 65″
Largest size77″ (better)65″
Gaming
HDMI ports4 (all HDMI 2.1 at 4K 120 Hz+) (better)4 (0 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateHDMI VRR, FreeSync Premium, G-Sync CompatibleNone
Auto low latency modeYes–
HDMI detailFour inputs support 4K 120Hz, VRR, ALLM and QMS; eARC on HDMI 3Four 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
Variable refresh rangeLG specifies 40–120Hz–
Game featuresGame Optimiser and Dashboard, HGiG, AMD FreeSync Premium, NVIDIA G-SYNC Compatible and Dolby Vision gaming at 4K 120Hz–
Smart TV and sound
Smart TV platformwebOSwebOS
Processorα8 AI Processor 4K–
Speakers20 W, 2.0 channels–
Dolby AtmosYesYes
eARCYes–
Wi-FiWi-Fi 5–
Bluetooth5.1–
Speaker detailDown-firing 2.0-channel 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 featuresα8 AI Sound Pro with virtual 9.1.2 up-mixing, acoustic tuning, Clear Voice Pro, Bluetooth Surround Ready and WiSA up to 2.1 channelsDolby Atmos decoding. LG's UK 65E7V sheet says Atmos from Blu-ray players required a software update scheduled for later in 2017.
Voice assistantsBuilt-in Amazon Alexa and LG intelligent voice recognition; supported languages vary by country–
CastingApple AirPlay 2, ThinQ remote app and Multi ViewMiracast and WiDi on the German 55E7N
Software updateswebOS 24; LG states four upgrades over five years with regional scheduling differences and security support through 31 December 2028. LG Australia's March 2024 launch notice confirms the range available now and lists 55/65-inch B4 March availability; release records that first confirmed series month, not a universal UK size-specific date.webOS 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 portsThree USB ports on both documented models, including one USB 3.0 port
EthernetEthernet LAN portOne 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): 48″ 1070 × 620 × 45.9 mm; 55″ 1228 × 708 × 45.9 mm; 65″ 1449 × 832 × 45.9 mm; 77″ 1719 × 989 × 50.9 mmWithout stand (W × H × D): German 55E7N 1237 × 767 × 56.7 mm; UK 65E7V 1461 × 877 × 62 mm
StandWith stand (W × H × D; weight): 48″ 1070 × 684 × 235 mm, 11.7 kg; 55″ 1228 × 772 × 235 mm, 14.5 kg; 65″ 1449 × 896 × 235 mm, 17.3 kg; 77″ 1719 × 1057 × 319 mm, 23.5 kg. Stand footprint: 48″ 933 × 235 mm; 55/65″ 1057 × 235 mm; 77″ 1403 × 319 mm.With stand (W × H × D): German 55E7N 1237 × 767 × 175 mm; UK 65E7V 1461 × 904 × 195 mm
VESA pattern300 × 200 mm across these UK sizesGerman 55E7N 400 × 200 mm; UK 65E7V 300 × 200 mm
Power useUnder 0.5 W standby; 100–240 V AC, 50–60Hz supplyGerman 55E7N 112 W typical and 0.3 W standby; UK 65E7V 0.3 W standby
In the boxMagic Remote MR24, two AA batteries and attached power cableMagic Remote and batteries on the documented regional models

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