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LG OLED evo C5 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 C5LGOLED evo C6
Overview
ReleasedMarch 2025March 2026
Display
PanelOLEDOLED
Panel detailWOLED; Brightness Booster on 55″ to 83″WOLED; 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 finishGlossy (RTINGS)Glossy
Peak brightness–1,251 nits in HDR on a 10% window, 65″ (Tom's Guide)
Picture processingα9 AI Super Upscaling 4K, AI Picture Pro, AI Genre Selection, AI Brightness Control, Pixel Dimming, auto calibrationAI 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 MODE with Ambient Light CompensationFILMMAKER MODE with Ambient Light Compensation, Creator Original mode
Motion handlingOLED Motion; VESA ClearMR 9000–
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, FreeSync PremiumHDMI VRR, G-Sync Compatible, FreeSync Premium
Auto low latency modeYesYes
HDMI detail4 × HDMI with 4K 120 Hz, VRR, ALLM and QMS on all four; eARC on HDMI 2; QFT4K 120 Hz on all four ports; eARC, VRR, ALLM, QMS and QFT
Variable refresh rangeUp to 144 Hz–
Game features4K 144 Hz with games and PCs that support it; G-Sync Compatible, FreeSync Premium, HGiG, Dolby Vision gaming at 4K 120 Hz, under 0.1 ms response; 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 Gen8alpha 11 AI Processor 4K Gen3 (Dual AI Engine)
Dolby AtmosYesYes
DTS:XNoNo
eARCYesYes
Wi-FiWi-Fi 6Wi-Fi 6
Bluetooth5.35.3
Speaker detail42″ 20 W, 2.0 ch; 48″ to 83″ 40 W, 2.2 ch; down-firing42″ 20 W, 2.0 ch; 48″ to 83″ 40 W, 2.2 ch
Audio featuresα9 AI Sound Pro (virtual 11.1.2 up-mix), AI Acoustic Tuning, Clear Voice Pro, WOW Orchestra, Bluetooth Surround ReadyVirtual 11.1.2 ch, AI Sound, AI Object Remastering Ultra, Dolby Atmos
Voice assistantsHands-free voice control; works with Google Home and Apple Home–
CastingApple AirPlay 2, Google Cast–
Software updateswebOS 25; security updates until 31 December 2029webOS 26; webOS Re:New Program upgrades for up to 5 years
TV tunersDVB-T2/T, DVB-C and DVB-S2/S; 2 RF inputs; no CI slot in the UK–
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 × 618 × 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 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
StandCentral pedestal stand; footprint 718 × 170 mm (42″), 470 × 230 mm (48″ to 65″), 520 × 267 mm (77″), 460 × 297 mm (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″, 48″); F (55″ to 83″)–
In the boxMagic Remote MR25GB, power cable (attached)–

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