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LG OLED evo C4 vs LG OLED evo C6

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

Better figure, where one is clearly better

LGOLED evo C4LGOLED evo C6
Overview
ReleasedApril 2024March 2026
Display
PanelOLEDOLED
Panel detailWOLED with pixel dimmingWOLED; 77″ and 83″ use a Primary RGB Tandem panel with Hyper Radiant Colour Tech
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate144 Hz165 Hz
HDR formatsDolby Vision, HDR10, HLGDolby Vision, HDR10, HLG
HDR extrasOLED Dynamic Tone Mapping ProDolby Vision IQ
Screen finish–Glossy
Peak brightness–1,251 nits in HDR on a 10% window, 65″ (Tom's Guide)
Picture processingα9 AI Super Upscaling 4K, AI Genre Selection, AI Brightness Control, Pixel DimmingAI Picture Pro, AI HDR Remastering, Brightness Booster; 77″ and 83″ add Hyper Radiant Colour Tech (up to 3.2x peak brightness)
Picture modes10 modes, including Filmmaker, Cinema, Game and (ISF) Expert Bright Room and Dark RoomFILMMAKER MODE with Ambient Light Compensation, Creator Original mode
Motion handlingOLED Motion–
Sizes
Sizes42, 48, 55, 65, 77, 83″42, 48, 55, 65, 77, 83″
Largest size83″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 Compatible, FreeSyncHDMI VRR, G-Sync Compatible, FreeSync Premium
Auto low latency modeYesYes
HDMI detail4 × HDMI with 4K 120Hz, eARC (HDMI 2), VRR, ALLM and QMS on all four4K 120 Hz on all four ports; eARC, VRR, ALLM, QMS and QFT
Variable refresh rangeUp to 144 Hz–
Game featuresG-Sync Compatible, FreeSync, HGiG, Game Optimiser and Game DashboardUp to 4K 165 Hz; G-SYNC Compatible, FreeSync Premium, HGiG, VESA ClearMR 10000, 0.1 ms response; Game Dashboard and Optimiser; Bluetooth Ultra Low Latency controllers (under 2.5 ms)
Cloud gaming–NVIDIA GeForce NOW (4K 120 Hz HDR)
Smart TV and sound
Smart TV platformwebOSwebOS
Processorα9 AI Processor 4K Gen7alpha 11 AI Processor 4K Gen3 (Dual AI Engine)
Dolby AtmosYesYes
DTS:X–No
eARCYesYes
Wi-FiWi-Fi 5Wi-Fi 6
Bluetooth5.15.3
Speaker detail42″ 20 W, 2.0 ch; 48″ 40 W, 2.2 ch; LG UK doesn't list the other sizes; down-firing42″ 20 W, 2.0 ch; 48″ to 83″ 40 W, 2.2 ch
Audio featuresα9 AI Sound Pro (virtual 9.1.2 up-mix), AI Acoustic Tuning, Clear Voice Pro, Bluetooth Surround ReadyVirtual 11.1.2 ch, AI Sound, AI Object Remastering Ultra, Dolby Atmos
Voice assistantsHands-free voice control; Amazon Alexa built in–
CastingApple AirPlay 2–
Software updateswebOS 24; security updates until 31 December 2028webOS 26; webOS Re:New Program upgrades for up to 5 years
TV tuners2 RF inputs; CI slot–
USB3 × USB 2.02 × USB 2.0
Ethernet1 × Ethernet–
Optical audio out1 × optical–
Design and power
SizeWithout stand, 42″ 932 × 540 × 41.1 mm; 48″ 1071 × 620 × 46.9 mm; 55″ 1222 × 703 × 45.1 mm; 65″ 1441 × 826 × 45.1 mm; 77″ 1711 × 982 × 47.1 mm; 83″ 1851 × 1062 × 55.3 mmWithout stand, 42″ 932 × 540 × 41.1 mm; 48″ 1071 × 620 × 46.9 mm; 55″ 1222 × 703 × 45.1 mm; 65″ 1441 × 826 × 45.1 mm; 77″ 1711 × 982 × 47.1 mm; 83″ 1842 × 1055 × 52.9 mm
StandFeet on the 42″ (718 × 170 mm); central pedestal on 48″ to 77″ (470 × 230 mm up to 520 × 267 mm on 77″); 1199 × 279 mm stand on 83″Central pedestal stand; 65″ stands 880 mm tall on it, stand footprint 470 × 230 mm
VESA pattern42″ to 77″ 300 × 200 mm; 83″ 400 × 400 mm48″, 55″ and 65″ 300 × 200 mm; 83″ 400 × 400 mm
Warranty–OLED Care+ covers the panel for 5 years
Power useUnder 0.5 W standby–
Energy classG (42″ to 55″); F (65″ to 83″)–
In the boxMagic Remote MR24 with 2 AA batteries, power cable (attached)–

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