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| Category | Details |
|---|---|
| Model | QA77S90FAEXTW |
| Brand | Samsung |
| Screen Size | 77 Inch |
| Resolution | 4K UHD (3840 × 2160) |
| Display Type | OLED HDR+ (Self‑Illuminating Pixels) |
| Processor | NQ4 AI Gen3 Vision AI Processor |
| Refresh Rate | 100 Hz Native / Motion Xcelerator up to 144 Hz ([source](turn0search0)) |
| HDR | OLED HDR+, HDR10+ Adaptive & Gaming ([source](turn0search0)) |
| Audio Output | 40 W, 2.1 CH, Dolby Atmos, Object Tracking Sound Lite, Q‑Symphony ([source](turn0search0)) |
| Smart TV | Yes – Tizen™ OS (Smart Hub + Voice Assistants) ([source](turn0search0)) |
| Connectivity | 4× HDMI 2.1 (4K 144 Hz), 2× USB‑A, Wi‑Fi 5, Bluetooth 5.3, Ethernet, eARC ([source](turn0search0)) |
| Dimensions (Without Stand) | 1718.5 × 987.6 × 44.9 mm ([source](turn0search0)) |
| Design | LaserSlim Bezel‑less Design, Graphite Black ([source](turn0search0)) |
| Power Consumption | Max ~640 W / Typical ~174 W ([source](turn0search0)) |