Samsung S90D Series QN55S90D 55"
The 55-inch OLED panel delivers Pantone-validated color accuracy, true blacks, and a 144Hz refresh rate powered by the NQ4 AI Gen2 processor for crisp, smooth motion. Its Real Depth Enhancer adds foreground contrast for lifelike dimensionality, while Object Tracking Sound Lite with 40W Dolby Atmos audio follows on-screen action precisely. This TV best suits gamers demanding blur-free 144Hz VRR and cinephiles seeking high-contrast HDR viewing in a connected smart home setup.
About This TV
The 55-inch OLED panel delivers Pantone-validated color accuracy, true blacks, and a 144Hz refresh rate powered by the NQ4 AI Gen2 processor for crisp, smooth motion. Its Real Depth Enhancer adds foreground contrast for lifelike dimensionality, while Object Tracking Sound Lite with 40W Dolby Atmos audio follows on-screen action precisely. This TV best suits gamers demanding blur-free 144Hz VRR and cinephiles seeking high-contrast HDR viewing in a connected smart home setup.
- Screen size 55
- Resolution 3840x2160
- Panel type OLED
- Refresh rate 120
- HDR HDR10+
- Smart platform Tizen
- Dolby atmos
- HDMI version 2.1
Overview
Performance
Pros & Cons
Pros
- Strong smart (91th percentile) 91th
- Strong display (89th percentile) 89th
- Strong social proof (89th percentile) 89th
- Strong audio (87th percentile) 87th
Cons
Specifications
Full Specifications
Display
| Size | 55" |
| Resolution | 4K |
| Panel Type | OLED |
| Backlight | OLED |
| Aspect Ratio | 16:9 |
| Curved | No |
Picture Quality
| Color Gamut | Pantone Validated |
| Motion Tech | Motion Xcelerator 144Hz |
| Processor | NQ4 AI Gen2 Processor |
HDR
| HDR Formats | HDR10+ |
| Dolby Vision | No |
| HDR10+ | Yes |
| HLG | No |
Gaming
| Refresh Rate | 120 Hz |
| VRR | FreeSync Premium (AMD Adaptive Sync) |
Smart TV
| Platform | Tizen |
| Voice Assistant | Alexa |
| Screen Mirroring | SmartThings, Apple AirPlay |
| Works With | Alexa, Google |
Audio
| Speaker Config | 2.1 |
| Wattage | 40 |
| Dolby Atmos | Yes |
| Surround Sound | Object Tracking Sound Lite |
| eARC | Yes |
Connectivity
| HDMI Ports | 4 |
| HDMI Version | 2.1 |
| USB Ports | 2 |
| Wi-Fi | Wi-Fi |
| Bluetooth | Bluetooth |
| Ethernet | No |
| Optical Audio | Yes |
| VESA Mount | 300mm x 200mm |
Power & Size
| Energy Star | Yes |
| Annual Energy | 171 |
| Weight | 17.3 kg / 38.1 lbs |
vs Competition
| Spec | Samsung S90D Series QN55S90D 55" | Sony BRAVIA 9 K85XR90 | LG OLED evo AI 4K G5 Series OLED97G5WUA | Hisense U8QG Mini-LED 100" Class U8 Series MiniLED | TCL QM7K Series 98QM7K | Roku Plus Series 4K QLED Mini-LED 55" Class Smart RokuTV |
|---|---|---|---|---|---|---|
| Screen Size | 55 | 85 | 97 | 100 | 98 | 55 |
| Resolution | 3840x2160 | 3840x2160 | 3840x2160 | 3840x2160 | 4K | 3840x2160 |
| Panel Type | OLED | QLED | OLED | Mini-LED QLED | QLED | Mini-LED QLED |
| Refresh Rate | 120 | 120 | 120 | 165 | 144 | 60 |
| Hdr | HDR10+ | HDR 10, Hybrid Log-Gamma (HLG), Dolby Vision | HDR10, Dolby Vision, HLG | Dolby Vision, HDR10+, HLG | Dolby Vision, HDR 10+, HDR 10, Hybrid Log-Gamma (HLG) | Dolby Vision, HDR10+, HLG |
| Smart Platform | Tizen | Google TV | webOS | Google TV | Google TV | Roku TV |
| Dolby Vision | false | true | true | true | true | true |
| Dolby Atmos | true | true | true | true | true | true |
| Hdmi Version | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Hdr | Audio | Smart | Gaming | Display | Connectivity | Social Proof | Picture Quality |
|---|---|---|---|---|---|---|---|---|
| Samsung S90D Series QN55S90D 55" | 69.7 | 86.9 | 91.3 | 74.7 | 89.3 | 78.6 | 89 | 36.8 |
| Sony BRAVIA 9 K85XR90 Compare | 76.1 | 97.1 | 92.7 | 78.8 | 92.8 | 93.9 | 98 | 79.7 |
| LG OLED evo AI 4K G5 Series OLED97G5WUA Compare | 97 | 99.9 | 80.1 | 88.6 | 98.7 | 84.4 | 73.8 | 96.3 |
| Hisense U8QG Mini-LED 100" Class U8 Series MiniLED Compare | 98.7 | 98.3 | 96 | 95.4 | 97 | 75.9 | 89 | 99.4 |
| TCL QM7K Series 98QM7K Compare | 90.9 | 81.5 | 97.6 | 93.8 | 53 | 84.4 | 98 | 97.7 |
| Roku Plus Series 4K QLED Mini-LED 55" Class Smart RokuTV Compare | 95.2 | 81.5 | 86.4 | 56.7 | 85.9 | 79.6 | 93.9 | 74.2 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.