Samsung QN900D 65" (8K) vs Sony X90L 65"
The Verdict
Samsung's QN900D represents cutting-edge 8K technology with Neo QLED Mini-LED backlighting delivering exceptional 4000-nit peak brightness and Quantum HDR 64x for stunning contrast. Its Neural Quantum Processor 8K upscales content intelligently, while 90W audio with 6.2.4ch Object Tracking Sound Pro creates immersive surround experience. Gaming performance impresses with 5ms input lag and 8K@120Hz support. Sony's X90L delivers excellent 4K performance at a fraction of the price, featuring Full Array LED backlighting, 1300-nit brightness, and respectable 20W audio. Both offer near-identical 65" sizes and 120Hz gaming capability with minimal input lag difference. For future-proofing and elite picture quality, the Samsung justifies its premium positioning. However, the Sony excels in value proposition for those prioritizing 4K excellence without 8K content availability concerns. Samsung QN900D edges ahead for performance and technology, though Sony remains the smarter buy for most viewers.
Who Should Buy
Buy the Samsung QN900D 65" (8K) if…
- →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
Buy the Sony X90L 65" if…
- →Sony's Cognitive Processor XR delivers best-in-class upscaling and color
- →Full-array local dimming produces excellent contrast for an LED TV
- →Dolby Vision and Dolby Atmos support for premium content
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 X90L 65"
Pros
- Sony's Cognitive Processor XR delivers best-in-class upscaling and color
- Full-array local dimming produces excellent contrast for an LED TV
- Dolby Vision and Dolby Atmos support for premium content
- 120Hz with VRR makes it genuinely good for PS5 gaming
- Google TV has the widest app selection of any smart TV platform
Cons
- Blooming visible in dark scenes with bright highlights
- 20W speakers are average despite the Acoustic Multi-Audio branding
- Heavier than competing LED TVs at 48.5 lbs
- Google TV can feel sluggish and ad-heavy on the home screen
Full Specifications
| Spec | Samsung QN900D 65" (8K) | Sony X90L 65" |
|---|---|---|
| Body | ||
| VESA mount | 400 x 400mm | 300 x 300mm |
| Weight | 61.7 lbs | 48.5 lbs |
| Dimensions (w/ stand) | 57.1 x 36.8 x 12.7 inches | 57.3 x 35.6 x 11.4 inches |
| Audio | ||
| Output (watts) | 90 | 20 |
| Speakers | 6.2.4ch Object Tracking Sound Pro | 2.0ch Acoustic Multi-Audio |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 5 | 8 |
| Display | ||
| HDR | Quantum HDR 64x, HDR10+, HLG | Dolby Vision, HDR10, HLG |
| Size | 65" | 65" |
| Type | Neo QLED Mini-LED | Full Array LED |
| Resolution | 7680 x 4320 (8K) | 3840 x 2160 (4K UHD) |
| Refresh rate | 120Hz (8K@120Hz) | 120Hz (native) |
| Brightness (nits) | 4000 | 1300 |
| 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 | Cognitive Processor XR |
| 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 |
Related Comparisons
This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
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