Samsung QN900D 65" (8K) vs Sony X77L 55"
Samsung's QN900D represents flagship 8K technology with Neo QLED Mini-LED architecture delivering exceptional 4000-nits peak brightness, quantum dot color accuracy, and 6.2.4 channel Object Tracking Sound Pro with Dolby Atmos. Gaming prowess shines through 8K@120Hz capability, 5ms input lag, and full VRR support. Sony's X77L offers practical 4K UHD performance in a smaller 55-inch footprint, featuring the proven X1 4K HDR processor and Google TV integration at a fraction of the cost. While Samsung excels in picture quality, processing power, and premium audio with its Neural Quantum Processor 8K, the X77L provides solid mainstream entertainment value without the premium price tag. For content creators, gamers, and enthusiasts seeking cutting-edge performance, Samsung justifies its investment. Budget-conscious buyers prioritizing core 4K functionality should choose Sony. Samsung wins decisively on specifications, but context matters.
Full Specifications
| Spec | Samsung QN900D 65" (8K) | Sony X77L 55" |
|---|---|---|
| Body | ||
| VESA mount | 400 x 400mm | 200 x 200mm |
| Weight | 61.7 lbs | 27.6 lbs |
| Dimensions (w/ stand) | 57.1 x 36.8 x 12.7 inches | 48.5 x 30.9 x 10.6 inches |
| Audio | ||
| Output (watts) | 90 | 20 |
| Speakers | 6.2.4ch Object Tracking Sound Pro | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 5 | 15 |
| Display | ||
| HDR | Quantum HDR 64x, HDR10+, HLG | HDR10, HLG |
| Size | 65" | 55" |
| Type | Neo QLED Mini-LED | LED |
| Resolution | 7680 x 4320 (8K) | 3840 x 2160 (4K UHD) |
| Refresh rate | 120Hz (8K@120Hz) | 60Hz |
| Brightness (nits) | 4000 | 400 |
| Smart TV | ||
| Os | Tizen OS | Google TV |
| Voice assistant | Bixby, Alexa, Google Assistant | Google Assistant, Alexa, Apple AirPlay 2 |
| Processor | ||
| Chipset | Neural Quantum Processor 8K | X1 4K HDR Processor |
| Connectivity | ||
| Wi-Fi | Wi-Fi 6E | Wi-Fi 5 (802.11ac) |
| Ethernet | ||
| Bluetooth | 5.3 | 5.0 |
| USB ports | 3 | 2 |
| HDMI ports | 4 | 4 |
Category Scores
Pros & Cons
Samsung QN900D 65" (8K)
Pros
- True 8K resolution with AI-powered upscaling for lower-resolution content
- Mini-LED backlighting with thousands of dimming zones for stunning contrast
- 90W 6.2.4ch audio system with Dolby Atmos is best-in-class built-in sound
- 8K@120Hz via HDMI 2.1 future-proofs for next-gen content
- Infinity Screen design with near-zero bezels
Cons
- Extremely expensive at $4,999 for very limited 8K content
- Tizen OS still shows ads on the home screen
- Massive and heavy — requires sturdy mounting
- No Dolby Vision support — Samsung uses HDR10+ exclusively
Sony X77L 55"
Pros
- Sony's color accuracy and motion handling are superior to budget competitors
- Google TV with Chromecast built-in and Apple AirPlay 2
- Four HDMI ports are generous at this price
- Motionflow XR produces smooth motion for sports and movies
- Clean, minimalist design fits any room
Cons
- 60Hz panel — not ideal for gaming or fast action
- No Dolby Vision — surprising for a Sony TV
- 400-nit brightness is low for HDR content
- No VRR for next-gen console gaming
Related Comparisons
Explore more in tvs, see all Samsung products or all Sony products. View full details for the Samsung QN900D 65" (8K) or the Sony X77L 55".