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LG OLED B9 vs LG OLED evo C3

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

Better figure, where one is clearly better

LGOLED B9LGOLED evo C3
Overview
Released2019March 2023
Display
PanelOLEDOLED
Panel detail–OLED with pixel dimming; Brightness Booster on 55″, 65″, 77″ and 83″, excluded on 42″ and 48″
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate120 Hz120 Hz
HDR formatsDolby Vision, HDR10, HLGDolby Vision, HDR10, HLG
HDR extrasAdvanced HDR by Technicolor also supportedOLED Dynamic Tone Mapping Pro
Picture processingAI Picture, AI Brightness, 4K Upscaler and dynamic tone mappingAI Picture Pro, AI Super Upscaling 4K, AI Genre Selection and AI Brightness Control
Picture modes–10 modes, including Personalised Picture Wizard, Filmmaker, Cinema, Game and ISF Expert Bright Room and Dark Room
Motion handlingNative 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.OLED Motion; LG UK labels the panel 100Hz native and explicitly specifies 4K 120fps HFR; LG Turkey lists the same OLED77C34LA model as 120Hz native
Sizes
Sizes55, 65, 77″42, 48, 55, 65, 77, 83″
Largest size77″83″
Gaming
HDMI ports4 (all HDMI 2.1 at 4K 120 Hz+)4 (all HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateHDMI VRR, G-Sync CompatibleHDMI VRR, FreeSync, G-Sync Compatible
Auto low latency modeYesYes
HDMI detailFour 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.4 × HDMI supporting 4K 120Hz, VRR, ALLM and QMS; eARC on HDMI 2
Game featuresHDMI 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.G-Sync Compatible, FreeSync Compatible, HGiG, Game Optimiser and Game Dashboard
Smart TV and sound
Smart TV platformwebOSwebOS
Processorα7 Gen2 Intelligent Processorα9 AI Processor 4K Gen6
Speakers40 W, 2.2 channels–
Dolby AtmosYesYes
eARCYesYes
Wi-FiWi-Fi 5 (802.11ac)Wi-Fi 5
Bluetooth5.05.0
Speaker detail–42″ 20 W, 2.0 channels; 48″ to 83″ 40 W, 2.2 channels; down-firing
Audio featuresDolby Atmos, AI Sound, Clear Voice III and DTS decoding; RTINGS confirms eARC Dolby Atmos and DTS:X passthrough to compatible receivers.AI Sound Pro virtual 9.1.2 up-mix, AI Acoustic Tuning, Clear Voice Pro and Bluetooth Surround Ready
Voice assistants–Hands-free voice control and intelligent voice recognition
CastingApple AirPlay 2; regional maker sheets include this later featureApple AirPlay 2
Software updatesFirst sale retained at year precision because no exact maker on-sale month was established by the bounded source search.webOS 23; LG UK lists security updates until 31 December 2027
TV tuners–UK models have 2 RF inputs and 1 CI slot
USBThree USB ports, two rear and one side3 × USB 2.0
EthernetEthernet LAN port1 × Ethernet
Optical audio outOptical digital audio output; headphone output also fitted1 × optical
Design and power
SizeWithout 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, 42″ 932 × 540 × 41.1 mm; 48″ 1071 × 618 × 46.9 mm; 55″ 1222 × 703 × 45.1 mm; 65″ 1441 × 826 × 45.1 mm; 77″ 1711 × 982 × 47.1 mm
Stand55″ and 65″ stand width 559 mm; 77″ with stand 1723 × 1043 × 270 mmFootprint, 42″ 718 × 170 mm; 48″, 55″ and 65″ 470 × 230 mm; 77″ 520 × 267 mm
VESA pattern55″ and 65″: 300 × 200 mm; 77″: 400 × 200 mm42″ to 77″ 300 × 200 mm
Power use–Under 0.5 W standby
In the boxMagic Remote and power cable; UK 65-inch sheet lists two AA batteriesMagic Remote, 2 AA batteries, IR blaster cable and attached power cable

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