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LG OLED B3 vs LG OLED EC9300

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

Better figure, where one is clearly better

LGOLED B3LGOLED EC9300
Overview
ReleasedApril 2023August 2014
Display
PanelOLEDOLED
Panel detail–Curved WRGB OLED with passive Cinema 3D
Resolution3840 × 2160 (4K)1920 × 1080 (Full HD)
Refresh rate120 Hz–
HDR formatsDolby Vision, HDR10, HLGNone
Picture processingAI Picture Pro, AI Super Upscaling 4K, Dynamic Tone Mapping, AI Brightness Control and Filmmaker Mode–
Motion handlingUK sheets label 100Hz native and explicitly support 4K 120fps HFR over HDMI.Native panel refresh is not established by the exact maker tables; unlimited MCI and Absolute Motion Clarity are marketing descriptions, not native Hz.
Sizes
Sizes55, 65, 77″55″
Largest size77″55″
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, three side and one rear; ARC on the rear input and MHL support reported by AVForums
Input lag–39 ms in PC mode and 49 ms in Game mode (HDTVTest); 41 ms and 52 ms respectively (AVForums), both on firmware 04.32.20
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 channels40 W
Dolby AtmosYes–
eARCYes–
Wi-FiWi-Fi 5Built-in Wi-Fi
Bluetooth5.0–
Speaker detail20 W, 2.0-channel down-firing speakers40 W output. LG Czech specifies no subwoofer, while AVForums describes a 2.1-channel system; channel count is omitted because the sources conflict.
Audio featuresDolby Atmos, Clear Voice Pro and AI Sound Pro virtual 5.1.2 up-mixDolby Digital and DTS decoding; LG wireless sound synchronisation
CastingApple AirPlay 2DLNA, MHL and LG Cloud; Miracast and WiDi reported by AVForums
Software updatesLaunch webOS 23; UK maker lists security updates until 31 December 2027Launched with the original webOS Smart+ interface; the retained LG Czech page now says webOS 2.0. LG's syndicated August 27 2014 release states the US EC9300 was on sale that month, supporting August first-sale precision without treating the earlier promised August 24 day as independently confirmed delivery.
TV tuners–DVB-T2, DVB-C and DVB-S2, with CI slot; UK Freeview HD and satellite reception confirmed by AVForums. Analogue composite, component and SCART inputs are specified by LG.
USBTwo USB 2.0 inputsThree side USB 2.0 inputs with hub support; no USB 3.0
EthernetOne Ethernet inputEthernet LAN port
Optical audio outOne optical digital audio outputOptical digital audio and side headphone outputs
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): 1225 × 715 × 80 mm, from LG's exact EC930V Dutch specification
StandCentre stand footprint: 55″ and 65″ 559 × 246 mm; 77″ 749 × 270 mmWith stand (W × H × D): 1225 × 753 × 204 mm; 16.4 kg. The stand is detachable and does not swivel; wall mounting is supported, per AVForums.
VESA pattern55″ and 65″ 300 × 200 mm; 77″ 400 × 200 mm–
Power useUnder 0.5 W in standby106 W on-mode in the maker energy table; 0.3 W standby; Dutch maker supply 220–240 V, 50/60Hz
In the boxMagic Remote with two AA batteries and attached power cableMagic Remote and conventional remote; UK reviews identify two pairs of passive 3D glasses plus two clip-ons. LG's Dutch accessory table instead lists three pairs plus one clip-on, a regional package difference.

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