LG OLED evo C6 vs Samsung Neo QLED QN90A
Better figure, where one is clearly better
| LGOLED evo C6 | SamsungNeo QLED QN90A | |
|---|---|---|
| Overview | ||
| Released | March 2026 | 2021 |
| Display | ||
| Panel | OLED | Mini-LED |
| Panel detail | WOLED; 77″ and 83″ use a Primary RGB Tandem panel with Hyper Radiant Colour Tech | Quantum Dot LCD with Mini-LED backlight. Exact UK 50-inch reviews identify its panel as VA; the UK maker tables do not specify the LCD matrix for 43, 55, 65 or 75 inches, so it is not generalised. All five sizes are flat. |
| Resolution | 3840 × 2160 (4K) | 3840 × 2160 (4K) |
| Refresh rate | 165 Hz (better) | 60 Hz (43″), 120 Hz (50, 55, 65, 75″) |
| HDR formats | Dolby Vision, HDR10, HLG | HDR10, HDR10+, HLG |
| HDR extras | Dolby Vision IQ | Quantum HDR 1500 is Samsung's UK maker label for 43 and 50 inches; Quantum HDR 2000 for 55, 65 and 75 inches. These names are not comparable measured nit results. HDR10+ Adaptive on the UK maker tables. |
| Screen finish | Glossy | Anti-reflection treatment on the reviewed UK 50-inch model; exact coating name not published in its maker table. |
| Colour range | – | Samsung's maker table lists 100% Colour Volume for the 50-inch model; this is a marketing colour-volume claim, not a measured DCI-P3 coverage figure for every size. |
| Peak brightness | 1,251 nits in HDR on a 10% window, 65″ (Tom's Guide) | – |
| Picture processing | AI Picture Pro, AI HDR Remastering, Brightness Booster; 77″ and 83″ add Hyper Radiant Colour Tech (up to 3.2x peak brightness) | Quantum Matrix Technology, Ultimate UHD Dimming and AI upscaling on the UK 50-inch maker table. The 4400 Picture Quality Index is a processing score, not 4400 Hz. Samsung's UK newsroom confirmed the QN90A in March 2021 and advertised the 50-inch on sale in a later UK promotion; no maker first-sale month is established. |
| Picture modes | FILMMAKER MODE with Ambient Light Compensation, Creator Original mode | Filmmaker Mode, Natural and Movie on the UK 50-inch maker table. What Hi-Fi? finds default motion processing and shadow detail need some adjustment on its 50-inch test unit. |
| Motion handling | – | Expert Reviews reports native 120 Hz on 50 to 75 inches and 60 Hz on 43 inches; Samsung's maker specification lists no native Hz. Input acceptance and panel refresh are kept distinct. |
| Viewing angle | – | Wide Viewing Angle on the maker UK 50-inch table. The 50-inch UK review unit is VA; other sizes may differ by region or size and no LCD-matrix type is assigned to them. |
| Sizes | ||
| Sizes | 42, 48, 55, 65, 77, 83″ | 43, 50, 55, 65, 75″ |
| Largest size | 83″ (better) | 75″ |
| Gaming | ||
| HDMI ports | 4 (all HDMI 2.1 at 4K 120 Hz+) (better) | 4 (0 HDMI 2.1 at 4K 120 Hz+ (43″), 1 HDMI 2.1 at 4K 120 Hz+ (50, 55, 65, 75″)) |
| Variable refresh rate | HDMI VRR, G-Sync Compatible, FreeSync Premium | HDMI VRR, FreeSync Premium Pro |
| Auto low latency mode | Yes | Yes |
| HDMI detail | 4K 120 Hz on all four ports; eARC, VRR, ALLM, QMS and QFT | Four HDMI inputs total on each size's UK maker table. What Hi-Fi? and Expert Reviews identify HDMI 4 as the sole 4K 120 Hz / HDMI 2.1 gaming input on the reviewed 50-inch, with VRR, FreeSync Premium Pro and ALLM. Expert Reviews reports the 43-inch uses a 60 Hz panel, so it is not counted as a full 4K 120 Hz input. eARC uses a different HDMI socket. No US QN90A specifications are applied. |
| Input lag | – | 9.2 ms at 60 Hz in Game Mode (What Hi-Fi?) and 9.8 ms in Game Mode (Expert Reviews) on separate exact UK 50-inch tests; these are measured review figures. |
| Game features | Up 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) | Game Bar, Game Motion Plus, 21:9/32:9 PC view, VRR and FreeSync Premium Pro on the UK 50-inch review set. Features requiring 4K 120 Hz do not apply to the 43-inch panel. |
| Cloud gaming | NVIDIA GeForce NOW (4K 120 Hz HDR) | – |
| Smart TV and sound | ||
| Smart TV platform | webOS | Tizen |
| Processor | alpha 11 AI Processor 4K Gen3 (Dual AI Engine) | Neo Quantum Processor 4K |
| Dolby Atmos | Yes | – |
| DTS:X | No | – |
| eARC | Yes | Yes |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 5 |
| Bluetooth | 5.3 | 5.2 |
| Speaker detail | 42″ 20 W, 2.0 ch; 48″ to 83″ 40 W, 2.2 ch | Separate UK maker tables: 43-inch 20 W 2.0; 50-inch 40 W 2.2 with OTS Lite; 55, 65 and 75-inch 60 W 4.2.2. Common audio power and channels are omitted from the main row. Expert Reviews describes the 50-inch OTS Lite as using two physical speakers; the maker calls the configuration 2.2. |
| Audio features | Virtual 11.1.2 ch, AI Sound, AI Object Remastering Ultra, Dolby Atmos | Q-Symphony Lite, Adaptive Sound+, Active Voice Amplifier and Dolby Digital Plus on the UK 50-inch maker table. No built-in Dolby Atmos decoder in the two contemporary exact reviews; eARC can pass Atmos to external equipment. |
| Voice assistants | – | Bixby plus 2021-era Alexa and Google Assistant interoperability on the UK 50-inch maker table; service support can change after launch. |
| Casting | – | Samsung Smart View, DLNA, Wi-Fi Direct, Multi View up to two videos and Tap Mirroring in the UK 50-inch maker table. |
| TV tuners | – | Twin DVB-T2/C/S2 digital tuners, analogue tuner, CI+ 1.4 and UK HbbTV2.0.2/MHEG5 on the UK 50-inch maker table. |
| Software updates | webOS 26; webOS Re:New Program upgrades for up to 5 years | – |
| USB | 2 × USB 2.0 | Two USB-A inputs in the UK 50-inch maker table; one review misstates three. |
| Ethernet | – | Ethernet LAN built in. |
| Optical audio out | – | One optical digital audio output. |
| Design and power | ||
| Size | Without 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 | Without stand, width × height × depth: 43-inch 960.8 × 559.5 × 26.9 mm; 50-inch 1114 × 644.9 × 26.9 mm; 55-inch 1227.4 × 706.2 × 26.9 mm; 65-inch 1446.3 × 829.3 × 26.9 mm; 75-inch 1670 × 958.2 × 27.7 mm. Weights in configurations are without stand. |
| Stand | Central pedestal stand; 65″ stands 880 mm tall on it, stand footprint 470 × 230 mm | Central bending-plate stand. With-stand weight: 43-inch 13.8 kg; 50-inch 18.6 kg; 55-inch 21.9 kg; 65-inch 31.4 kg; 75-inch 44.8 kg. UK 50-inch stand footprint 465 × 222.6 mm. |
| Power use | – | UK 50-inch maker table lists 65 W typical, 175 W maximum and 0.5 W standby; other sizes are not assigned those figures. |
| Energy class | – | Under the 2021 A–G scale: 43-inch G, 50/55/65-inch F, 75-inch E in the separate maker tables. |
| Colours | – | Titan Black cabinet with Sand Black stand in the UK 50-inch maker table. |
| In the box | – | UK 50-inch maker table lists TM2180E SolarCell and TM1240A remotes, power cable and user/e-manual. |
| VESA pattern | 48″, 55″ and 65″ 300 × 200 mm; 83″ 400 × 400 mm | – |
| Warranty | OLED Care+ covers the panel for 5 years | – |
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