Samsung S99H 55" OLED (QE55S99H) review
Best for: Bright rooms and vivid colour · Premium
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Pros
- Very bright QD-OLED picture
- Glare Free finish cuts reflections
- Four HDMI 2.1 inputs up to 165Hz
- Slim 27.9mm body
Cons
- No Dolby Vision
- Costs much more than the LG C6
- Thin built-in bass, so a soundbar helps
Full review
In the UK and Ireland, Samsung's top OLED for 2026 is the S99H, which is the model sold as the S95H flagship in the US. (The UK also sells a separate, step-down S95H, so check the full model code.) What Hi-Fi tested the 55-inch, gave it a 5 out of 5 for picture and an award, and called it the flagship OLED to beat for 2026.
The 55-inch uses a QD-OLED panel; only the 83-inch uses a different type. Samsung's Glare Free finish keeps reflections from lamps and windows under control, and Samsung quotes up to 2,700 nits in Movie mode, so it is the one to look at if your lounge is bright. Euronics Ireland lists four HDMI inputs all rated for 4K at 165Hz, eARC, a 70W 4.2.2-channel Atmos system and HDR10+ but no Dolby Vision, so Netflix and Disney+ content falls back to standard HDR10.
What Hi-Fi's reservations are modest: bass and volume are limited by the thin chassis, some rivals keep more shadow detail, and the supplied tabletop feet look cheap. It is also priced above most flagship rivals. In a dim room the LG C6 gets you most of the way for less, but for daylight viewing the S99H is the stronger choice.
Full specifications
| Screen size | 55 inch |
|---|---|
| Panel type | QD-OLED |
| Max refresh rate | 165 Hz (100 Hz native) |
| HDR formats | HDR10+ (Adaptive, Gaming, Advanced), HDR10, HLG (no Dolby Vision) |
| HDMI 2.1 ports | 4 (4K 165Hz on all) |
| VRR / ALLM / G-Sync / FreeSync | VRR, ALLM, HDR10+ Gaming |
| Picture processor | NQ4 AI Gen3 |
| Built-in sound | 70W 4.2.2ch, Dolby Atmos, OTS+ |
| Smart platform | Tizen |
| Voice assistants | Bixby, Alexa built-in |
| eARC | Yes |
| Resolution | 4K (3840 x 2160) |
| Size without stand (W x H x D) | 1290.6 x 771.9 x 27.9 mm |
| Weight without stand | 16.3 kg |
| VESA wall mount | 300 x 200 |
| Year | 2026 |
| Model code | QE55S99H |
| Screen finish | Glare Free anti-reflection |
| UK/IE retail code | QE55S99HATXXU |
| Peak brightness (Samsung, Movie mode) | Up to 2,700 nits |
| Optional extra | Wireless One Connect box (adds 4 HDMI) |
| US availability | Sold as QN55S95HAF in the US |
Spec check note: We could not open Samsung UK's own page. Panel, brightness and picture claims come from What Hi-Fi's review of the 55-inch; ports, audio, dimensions with and without stand and VESA come from Euronics Ireland. Weight without stand (16.3 kg) comes from Samsung's sheet for the US twin QN55S95HAF, whose dimensions match; Euronics lists 16.6 kg with stand. Euronics gives no voice assistant list, so that value comes from the US sheet, which also lists Google Assistant.
Specifications checked against: Euronics Ireland QE55S99HATXXU listing, Samsung QN55S95HAF spec sheet (SHI, US twin), What Hi-Fi Samsung S99H (QE55S99H) review
How it compares with its rivals
| Feature | Samsung S99H 55" OLED (QE55S99H) | LG OLED evo C6 55" (OLED55C64LA) | LG B6 55" (OLED55B65LA) | Samsung S90H 55" OLED (QE55S90H) | Sony Bravia 8 II 55" (K-55XR8M2) | Panasonic Z95B 55" (TV-55Z95B) | Philips OLED811 55" Ambilight (55OLED811) |
|---|---|---|---|---|---|---|---|
| Best for | Bright rooms and vivid colour | Most living rooms | First OLED on a budget | Rooms with lamps and windows | Natural, cinematic picture | Great sound without a soundbar | Ambilight fans and gamers |
| Price band | Premium | Upper mid-range | Mid-range | Upper mid-range | Upper mid-range | Premium | Upper mid-range |
| Screen size | 55 inch | 55 inch | 55 inch | 55 inch | 55 inch | 55 inch | 55 inch |
| Panel type | QD-OLED | OLED (WOLED, OLED EX) | OLED (WOLED) | OLED (type varies by size) | QD-OLED | OLED (Primary RGB Tandem) | OLED (WOLED, OLED EX) |
| Max refresh rate | 165 Hz (100 Hz native) | 165 Hz | 120 Hz | 165 Hz | 120 Hz | 144 Hz | 165 Hz |
| HDR formats | HDR10+ (Adaptive, Gaming, Advanced), HDR10, HLG (no Dolby Vision) | Dolby Vision, HDR10, HLG (no HDR10+) | Dolby Vision, HDR10, HLG (no HDR10+) | HDR10+, HDR10, HLG (no Dolby Vision) | Dolby Vision, HDR10, HLG (no HDR10+) | Dolby Vision IQ, HDR10+ Adaptive, HDR10, HLG | Dolby Vision 2 Max, HDR10+, HDR10, HLG |
| HDMI 2.1 ports | 4 (4K 165Hz on all) | 4 | 4 | 4 (4K 165Hz on all) | 2 | 2 | 4 |
| VRR / ALLM / G-Sync / FreeSync | VRR, ALLM, HDR10+ Gaming | VRR, ALLM, G-Sync, FreeSync (165Hz) | VRR, ALLM, G-Sync, FreeSync (120Hz) | VRR, ALLM, G-Sync, FreeSync Premium Pro | VRR (HDMI 3/4), ALLM | VRR, ALLM, FreeSync Premium, G-Sync | VRR, ALLM, FreeSync Premium, G-Sync |
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