Samsung QN90C 65" (4K Neo QLED) vs Sony X90K 65" (Full Array LED)
The Verdict
Samsung's QN90C dominates with its superior Neo QLED Mini-LED panel delivering 2000 nits of peak brightness versus Sony's 1200 nits, resulting in dramatically better contrast, color volume, and HDR impact. Mini-LED backlighting with 32x zones provides exceptional local dimming precision that full-array LED simply cannot match. Gaming performance slightly favors Samsung at 6ms input lag with the upcoming 144Hz firmware update, while Sony matches at 8ms. Audio clarity goes to Samsung's 60W 2.2.2ch Object Tracking Sound+ system versus Sony's modest 20W setup. However, Sony offers superior value at $700 less, includes Dolby Vision support Samsung lacks, and delivers genuinely excellent picture quality for general viewing. Both feature Wi-Fi connectivity, extensive HDMI inputs, and comprehensive streaming platforms. For picture quality and gaming enthusiasts willing to invest, Samsung's premium technology justifies the price. Budget-conscious buyers seeking solid 4K performance should consider Sony. Samsung QN90C emerges as the recommended choice for those prioritizing display excellence.
Who Should Buy
Buy the Samsung QN90C 65" (4K Neo QLED) if…
- →Excellent value for a Mini-LED flagship at $1,799
- →2000 nits peak brightness is outstanding for HDR in bright rooms
- →4x HDMI 2.1 with 4K@120Hz and VRR for next-gen gaming
Buy the Sony X90K 65" (Full Array LED) if…
- →Excellent Sony image processing at a competitive mid-range price
- →Full Array Local Dimming provides solid contrast for an LED TV
- →Dolby Vision and Dolby Atmos for home theater HDR experience
Category Scores
Pros & Cons
Samsung QN90C 65" (4K Neo QLED)
Pros
- Excellent value for a Mini-LED flagship at $1,799
- 2000 nits peak brightness is outstanding for HDR in bright rooms
- 4x HDMI 2.1 with 4K@120Hz and VRR for next-gen gaming
- Slim anti-reflection screen works well in rooms with windows
- Object Tracking Sound moves audio to match on-screen action
Cons
- No Dolby Vision support
- Some blooming visible in very dark scenes with small bright highlights
- Viewing angles are narrower than OLED — best for straight-on viewing
- Tizen ads on the home screen detract from the premium experience
Sony X90K 65" (Full Array LED)
Pros
- Excellent Sony image processing at a competitive mid-range price
- Full Array Local Dimming provides solid contrast for an LED TV
- Dolby Vision and Dolby Atmos for home theater HDR experience
- 120Hz with VRR and ALLM — capable gaming display
- Google TV with Chromecast built-in for seamless streaming
Cons
- Only 2 of 4 HDMI ports support 4K@120Hz
- 20W audio is very weak — soundbar essential
- Bluetooth 4.2 and Wi-Fi 5 are behind current standards
- Some blooming visible with full array backlighting in dark scenes
Full Specifications
| Spec | Samsung QN90C 65" (4K Neo QLED) | Sony X90K 65" (Full Array LED) |
|---|---|---|
| Body | ||
| VESA mount | 300 x 300mm | 300 x 300mm |
| Weight | 53.0 lbs | 46.3 lbs |
| Dimensions | 57.0 x 32.7 x 1.0 inches | 57.2 x 33.1 x 2.7 inches |
| Dimensions (w/ stand) | 57.0 x 35.3 x 11.4 inches | 57.2 x 35.3 x 12.0 inches |
| Audio | ||
| Output (watts) | 60 | 20 |
| Speakers | 2.2.2ch Object Tracking Sound+ | 2.0ch Acoustic Multi-Audio |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 6 | 8 |
| Display | ||
| HDR | Quantum HDR 32x, HDR10+, HLG | Dolby Vision, HDR10, HLG |
| Size | 65" | 65" |
| Type | Neo QLED Mini-LED | Full Array LED (VA LCD) |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K) |
| Refresh rate | 120Hz (144Hz via firmware update) | 120Hz |
| Brightness (nits) | 2000 | 1200 |
| Smart TV | ||
| Os | Tizen OS | Google TV |
| Voice assistant | Bixby, Alexa, Google Assistant | Google Assistant, Alexa |
| Connectivity | ||
| Wi-Fi | Wi-Fi 6E | Wi-Fi 5 |
| Ethernet | ||
| Bluetooth | 5.2 | 4.2 |
| USB ports | 2 | 2 |
| HDMI ports | 4 | 4 |
Related Comparisons
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- Sony X90K 65" (Full Array LED) vs Sony X90L 65"
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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.
Explore more in tvs, see all Samsung products or all Sony products. View full details for the Samsung QN90C 65" (4K Neo QLED) or the Sony X90K 65" (Full Array LED).

