Samsung QN90C 65" (4K Neo QLED) vs Vizio OLED 55"
The Verdict
Samsung's QN90C dominates with a larger 65-inch display, superior brightness at 2000 nits versus Vizio's 600 nits, and Mini-LED technology delivering exceptional contrast. Gaming performance slightly favors Samsung with 6ms input lag and potential 144Hz via firmware update. Vizio's OLED panel excels in color accuracy and infinite contrast ratio, though smaller at 55 inches and more vulnerable to burn-in. Audio capabilities heavily favor Samsung with 60W 2.2.2ch Object Tracking Sound+ versus Vizio's modest 30W 2.0ch setup. Connectivity mirrors closely, though Samsung offers Wi-Fi 6E. At $1799 for Samsung versus $999 for Vizio, the size and feature gap justifies the premium for most buyers. Choose Samsung for living rooms prioritizing brightness and gaming; select Vizio for compact spaces valuing OLED quality and budget consciousness.
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 Vizio OLED 55" if…
- →Most affordable 55-inch OLED at $999 — perfect blacks at a budget price
- →Dolby Vision, HDR10+, and Dolby Atmos — supports all major formats
- →120Hz with VRR and ALLM — capable gaming display
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
Vizio OLED 55"
Pros
- Most affordable 55-inch OLED at $999 — perfect blacks at a budget price
- Dolby Vision, HDR10+, and Dolby Atmos — supports all major formats
- 120Hz with VRR and ALLM — capable gaming display
- Infinite contrast ratio with pixel-perfect black levels
- 4x HDMI ports including HDMI 2.1 for next-gen consoles
Cons
- SmartCast OS is the weakest smart TV platform — buggy and slow
- Only 600 nits peak brightness — dimmer than LG and Samsung OLEDs
- Vizio has exited the TV market — long-term software support uncertain
- Image processing quality trails LG, Sony, and Samsung OLED models
- Build quality feels inferior to similarly priced LG A2 OLED
Full Specifications
| Spec | Samsung QN90C 65" (4K Neo QLED) | Vizio OLED 55" |
|---|---|---|
| Body | ||
| VESA mount | 300 x 300mm | 300 x 300mm |
| Weight | 53.0 lbs | 33.5 lbs |
| Dimensions | 57.0 x 32.7 x 1.0 inches | 48.2 x 28.0 x 1.5 inches |
| Dimensions (w/ stand) | 57.0 x 35.3 x 11.4 inches | 48.2 x 29.7 x 10.0 inches |
| Audio | ||
| Output (watts) | 60 | 30 |
| Speakers | 2.2.2ch Object Tracking Sound+ | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 6 | 10 |
| Display | ||
| HDR | Quantum HDR 32x, HDR10+, HLG | Dolby Vision, HDR10+, HDR10, HLG |
| Size | 65" | 55" |
| Type | Neo QLED Mini-LED | OLED |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K) |
| Refresh rate | 120Hz (144Hz via firmware update) | 120Hz |
| Brightness (nits) | 2000 | 600 |
| Smart TV | ||
| Os | Tizen OS | SmartCast (Chromecast built-in) |
| Voice assistant | Bixby, Alexa, Google Assistant | Google Assistant, Alexa |
| Connectivity | ||
| Wi-Fi | Wi-Fi 6E | Wi-Fi 6 |
| Ethernet | ||
| Bluetooth | 5.2 | 5.0 |
| USB ports | 2 | 1 |
| 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.
Explore more in tvs, see all Samsung products or all Vizio products. View full details for the Samsung QN90C 65" (4K Neo QLED) or the Vizio OLED 55".

