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LG OLED C1 vs Samsung OLED S90F

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

Better figure, where one is clearly better

LGOLED C1SamsungOLED S90F
Overview
ReleasedMarch 2021May 2025
Display
PanelOLEDOLED (42, 48, 55, 77, 83″), QD-OLED (65″)
Panel detailSelf-lit OLED with pixel dimmingSamsung doesn't say which panel each size uses; RTINGS reports the UK 65″ (QE65S90FATXXU) as QD-OLED and the "AE" models as WOLED
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate120 Hz144 Hz
HDR formatsDolby Vision, HDR10, HLGHDR10, HDR10+, HLG
HDR extrasDolby Vision IQ and Dynamic Tone MappingOLED HDR+ (OLED HDR on 42″ and 48″); HDR10+ Adaptive and HDR10+ Gaming
Screen finish–Anti Reflection; glossy (RTINGS)
Colour range–Pantone Validated
Picture processingAI Picture Pro, Face Enhancing, AI Upscaling, AI Genre Selection and AI Brightness Control4K AI Upscaling Pro, AI Motion Enhancer Pro, Real Depth Enhancer, Auto HDR Remastering Pro, HDR Brightness Optimizer; Color Booster Pro on 42″
Picture modes9 modes, including Filmmaker, Cinema, Game and ISF Expert Bright Room and Dark RoomFilmmaker Mode; Smart Calibration (Basic); EyeComfort Mode on 42″
Motion handlingOLED Motion ProMotion Xcelerator 144Hz
Viewing angle–Ultra Viewing Angle
Sizes
Sizes48, 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, FreeSync, G-Sync CompatibleHDMI VRR, FreeSync Premium Pro
Auto low latency modeYesYes
HDMI detailFour HDMI ports with 4K 120Hz, VRR and ALLM; eARC on HDMI 24K 144Hz on HDMI 1/2/3/4; eARC; Anynet+ (HDMI-CEC)
Game featuresG-Sync Compatible, FreeSync Compatible, HGiG and Game OptimiserFreeSync Premium Pro (FreeSync Premium on 42″ and 48″), HGiG, Game Motion Plus, Dynamic Black EQ, Super Ultra Wide Game View, Mini Map Zoom
Cloud gaming–Samsung Gaming Hub
Smart TV and sound
Smart TV platformwebOSTizen
Processorα9 Gen4 AI Processor 4KNQ4 AI Gen3 Processor
Dolby AtmosYesYes
eARCYesYes
Wi-FiWi-Fi 5Wi-Fi 5
Bluetooth5.05.3
Speaker detailLG UK lists 40 W, 2.2 channels for the 65″ OLED65C14LB42″ 20 W, 2ch; 65″ 40 W, 2.1ch, OTS Lite; 48″, 55″, 77″ and 83″ 60 W, 2.1.2ch, OTS
Audio featuresAI Sound Pro virtual 5.1.2 up-mix, AI Acoustic Tuning, Clear Voice Pro and Bluetooth Surround ReadyQ-Symphony, Adaptive Sound Pro, 360 Audio, Audio Pre-selection Descriptor
Voice assistantsGoogle Assistant and Amazon AlexaBixby and Alexa built in, with far-field voice; works with Alexa and Google Assistant speakers
CastingApple AirPlay 2 and Apple HomeKitApple AirPlay, Tap View and screen or sound mirroring from Samsung phones
Software updateswebOS 6.0 at launchSecurity updates until at least 31 December 2030
TV tunersUK OLED65C14LB has DVB-T2/T, DVB-C and DVB-S2; 2 RF inputs and CI+ 1.4Twin DVB-T2/C/S2 and analogue; CI+ 1.4 slot; HbbTV 2.0.4
USB3 × USB2 × USB-A
EthernetEthernet port1 × LAN
Optical audio outOptical digital audio output; UK OLED65C14LB also has a shared headphone/line output1 × optical
Design and power
SizeUK 65″ OLED65C14LB without stand 1449 × 830 × 46.9 mm; with stand 1449 × 862 × 251 mm, 32.6 kgWithout 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
StandUK 65″ OLED65C14LB footprint 998 × 251 mmBlade stand; footprint 652.5 × 206.3 mm (42″), 366 × 265.2 mm (48″ to 65″), 366 × 359 mm (77″, 83″)
VESA patternUK 65″ OLED65C14LB 300 × 200 mm42″ 200 × 200 mm; 48″ to 65″ 300 × 200 mm; 77″ and 83″ 400 × 300 mm
Power useUnder 0.5 W standbyTypical/max, 42″ 52/195 W; 48″ 64.7/230 W; 55″ 80/380 W; 65″ 89/420 W; 77″ 125/630 W; 83″ 150/740 W; 0.5 W standby
Energy class–G (42″, 48″, 55″); F (65″, 77″, 83″)
Colours–Graphite Black
In the boxMagic Remote MR21N, 2 AA batteries and attached power cableRemote controls TM2560E and TM1240A (UK), power cable, user manual

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