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LG OLED evo C6 vs Samsung OLED S90H

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

Better figure, where one is clearly better

LGOLED evo C6SamsungOLED S90H
Overview
ReleasedMarch 2026May 2026
Display
PanelOLEDOLED (42, 48, 55, 65, 83″), QD-OLED (77″)
Panel detailWOLED; 77″ and 83″ use a Primary RGB Tandem panel with Hyper Radiant Colour TechWOLED (LG Display); the 77-inch is QD-OLED
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate165 Hz165 Hz
HDR formatsDolby Vision, HDR10, HLGHDR10, HDR10+, HLG
HDR extrasDolby Vision IQHDR10+ Adaptive, HDR10+ Gaming and HDR10+ Advanced
Screen finishGlossyGlare Free
Peak brightness1,251 nits in HDR on a 10% window, 65″ (Tom's Guide)–
Picture processingAI Picture Pro, AI HDR Remastering, Brightness Booster; 77″ and 83″ add Hyper Radiant Colour Tech (up to 3.2x peak brightness)4K AI Upscaling Pro, AI Motion Enhancer Pro, Real Depth Enhancer, Auto HDR Remastering Pro, Color Booster Pro, HDR Brightness Optimizer, AI Optimized / AI Customization
Picture modesFILMMAKER MODE with Ambient Light Compensation, Creator Original modeFilmmaker Mode, EyeComfort Mode; Smart Calibration (Basic)
Motion handling–Motion Xcelerator 165 Hz
Viewing angle–Ultra Viewing Angle
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, FreeSync Premium, G-Sync Compatible
Auto low latency modeYesYes
HDMI detail4K 120 Hz on all four ports; eARC, VRR, ALLM, QMS and QFT4K 165 Hz on HDMI 1/2/3/4; eARC; Anynet+ (HDMI-CEC)
Game featuresUp 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)FreeSync Premium Pro on 48–83″ (FreeSync Premium on 42″); Game Motion Plus, Dynamic Black EQ, Super Ultra Wide Game View, Game Bar, Mini Map Zoom, Surround Sound, HGiG, AI Auto Game Mode, AI Gaming Optimizer
Cloud gamingNVIDIA GeForce NOW (4K 120 Hz HDR)Samsung Gaming Hub
Smart TV and sound
Smart TV platformwebOSTizen
Processoralpha 11 AI Processor 4K Gen3 (Dual AI Engine)NQ4 AI Gen3 Processor
Dolby AtmosYesYes
DTS:XNo–
eARCYesYes
Wi-FiWi-Fi 6Wi-Fi 6E
Bluetooth5.35.3
Speaker detail42″ 20 W, 2.0 ch; 48″ to 83″ 40 W, 2.2 ch42″ 20 W, 2ch; 48–83″ 40 W, 2.1ch; Object Tracking Sound Lite
Audio featuresVirtual 11.1.2 ch, AI Sound, AI Object Remastering Ultra, Dolby AtmosQ-Symphony, Active Voice Amplifier Pro, Adaptive Sound Pro, AI Sound Controller Pro, 360 Audio, Audio Pre-selection Descriptor
Voice assistants–Bixby and Alexa built in, with far-field voice; works with Alexa and Google Assistant speakers
Casting–Apple AirPlay, Google Cast, screen and sound mirroring from Samsung phones
Software updateswebOS 26; webOS Re:New Program upgrades for up to 5 yearsSecurity updates until at least 31 December 2031
TV tuners–DVB-T2/C/S2 and analogue; CI+ 1.4 slot; HbbTV 2.0.4
USB2 × USB 2.02 × USB-A
Ethernet–1 × LAN
Optical audio out–1 × 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″ 1842 × 1055 × 52.9 mmWithout stand, 42″ 934.4 × 542.6 × 39.5 mm; 48″ 1069.3 × 619.9 × 39.6 mm; 55″ 1225.4 × 708.6 × 39.9 mm; 65″ 1444.3 × 831.7 × 39.9 mm; 77″ 1718.5 × 987.6 × 44.9 mm; 83″ 1851.0 × 1062.8 × 44.9 mm
StandCentral pedestal stand; 65″ stands 880 mm tall on it, stand footprint 470 × 230 mm42″ Simple Blade; 48–83″ Simple Plus Blade (Laser Slim design)
VESA pattern48″, 55″ and 65″ 300 × 200 mm; 83″ 400 × 400 mm42″ 200 × 200 mm; 48–65″ 300 × 200 mm; 77″ and 83″ 400 × 300 mm
Power use–Typical/max, 42″ 52/195 W; 48″ 62/230 W; 55″ 76/380 W; 65″ 85/510 W; 77″ 112/660 W; 83″ 128/740 W; 0.5 W standby
Energy class–42″ G; 48″ G; 55″ F; 65″ E; 77″ E; 83″ F
Colours–Graphite Black
WarrantyOLED Care+ covers the panel for 5 years–

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