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LG OLED evo C4 vs Samsung OLED S90D

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

Better figure, where one is clearly better

LGOLED evo C4SamsungOLED S90D
Overview
ReleasedApril 2024March 2024
Display
PanelOLEDOLED (48, 55, 77, 83″), QD-OLED (65″)
Panel detailWOLED with pixel dimmingSamsung doesn't say which panel each size uses; the 48″ and 83″ use WOLED (HDTVTest), and RTINGS reports the UK 65″ (QE65S90DATXXU) as likely QD-OLED and the "AE" models (55″, 77″) as likely WOLED
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate144 Hz144 Hz
HDR formatsDolby Vision, HDR10, HLGHDR10, HDR10+, HLG
HDR extrasOLED Dynamic Tone Mapping ProOLED HDR+ (OLED HDR on 48″); HDR10+ Adaptive and HDR10+ Gaming
Screen finish–Anti Reflection; glossy (RTINGS)
Picture processingα9 AI Super Upscaling 4K, AI Genre Selection, AI Brightness Control, Pixel Dimming4K AI Upscaling, Real Depth Enhancer, HDR Brightness Optimizer
Picture modes10 modes, including Filmmaker, Cinema, Game and (ISF) Expert Bright Room and Dark RoomFilmmaker Mode; Smart Calibration (Basic)
Motion handlingOLED MotionMotion Xcelerator 144Hz
Viewing angle–Ultra Viewing Angle
Sizes
Sizes42, 48, 55, 65, 77, 83″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, FreeSync Premium
Auto low latency modeYesYes
HDMI detail4 × HDMI with 4K 120Hz, eARC (HDMI 2), VRR, ALLM and QMS on all four4K 144Hz on HDMI 1/2/3/4; eARC; Anynet+ (HDMI-CEC)
Variable refresh rangeUp to 144 Hz–
Game featuresG-Sync Compatible, FreeSync, HGiG, Game Optimiser and Game DashboardFreeSync Premium, 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 AI Processor 4K Gen7NQ4 AI Gen2 Processor
Speakers–40 W, 2.1 channels
Dolby AtmosYesYes
eARCYesYes
Wi-FiWi-Fi 5Wi-Fi 5
Bluetooth5.15.2
Speaker detail42″ 20 W, 2.0 ch; 48″ 40 W, 2.2 ch; LG UK doesn't list the other sizes; down-firing40 W, 2.1ch, OTS Lite
Audio featuresα9 AI Sound Pro (virtual 9.1.2 up-mix), AI Acoustic Tuning, Clear Voice Pro, Bluetooth Surround ReadyQ-Symphony, Active Voice Amplifier Pro, Adaptive Sound Pro, 360 Audio, Audio Pre-selection Descriptor
Voice assistantsHands-free voice control; Amazon Alexa built inBixby and Alexa built in, with far-field voice; works with Alexa and Google Assistant speakers
CastingApple AirPlay 2Apple AirPlay, Tap View and screen or sound mirroring from Samsung phones
Software updateswebOS 24; security updates until 31 December 2028Security updates until at least 31 December 2029
TV tuners2 RF inputs; CI slotTwin DVB-T2/C/S2 and analogue; CI+ 1.4 slot; HbbTV 2.0.3
USB3 × USB 2.02 × USB-A
Ethernet1 × Ethernet1 × LAN
Optical audio out1 × optical1 × 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, 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
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″Simple Plus Blade stand; footprint 366 × 265.2 mm (48″ to 65″) or 366 × 359 mm (77″, 83″)
VESA pattern42″ to 77″ 300 × 200 mm; 83″ 400 × 400 mm48″ to 65″ 300 × 200 mm; 77″ and 83″ 400 × 300 mm
Power useUnder 0.5 W standbyTypical/max, 48″ 65.7/210 W; 55″ 81/320 W; 65″ 90/390 W; 77″ 126/490 W; 83″ 150/670 W; 0.5 W standby
Energy classG (42″ to 55″); F (65″ to 83″)G (48″, 55″); F (65″ to 83″)
Colours–Graphite Black
In the boxMagic Remote MR24 with 2 AA batteries, power cable (attached)Remote controls TM2360E and TM1240A (UK), power cable, user manual

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