Samsung QN90C 65" (4K Neo QLED) vs Vizio M-Series 55"
The Verdict
Samsung's QN90C represents a premium 4K Neo QLED experience with superior specifications across nearly every dimension. Its 2000-nit peak brightness, Mini-LED backlighting with Quantum HDR 32x, and 60W Object Tracking Sound+ system deliver cinematic visuals and immersive audio that the Vizio simply cannot match. Gaming performance favors Samsung with 6ms input lag versus Vizio's 8ms, plus Wi-Fi 6E connectivity. Vizio's M-Series offers exceptional value at $449 for a 55" 4K TV with functional smart features and decent 800-nit brightness suitable for moderately lit rooms. However, the 10-inch size difference, dramatically superior peak brightness, advanced dimming zones, and premium audio make Samsung the clear winner for enthusiasts willing to invest in quality. Vizio suits budget-conscious buyers prioritizing basic 4K content consumption in darker environments.
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 M-Series 55" if…
- →120Hz with VRR and 4K@120Hz at under $450 is great for console gamers
- →Dolby Vision and HDR10+ dual support
- →Four HDMI 2.1 ports — enough for every console and streaming device
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 M-Series 55"
Pros
- 120Hz with VRR and 4K@120Hz at under $450 is great for console gamers
- Dolby Vision and HDR10+ dual support
- Four HDMI 2.1 ports — enough for every console and streaming device
- Wi-Fi 6 and Chromecast built-in for fast streaming
- Quantum color delivers better color volume than basic LED
Cons
- SmartCast OS is slow and has fewer apps than Google TV
- 800-nit brightness is adequate but not impressive for HDR
- No local dimming zones — contrast is limited
- Vizio's long-term software support and update track record is inconsistent
Full Specifications
| Spec | Samsung QN90C 65" (4K Neo QLED) | Vizio M-Series 55" |
|---|---|---|
| Body | ||
| VESA mount | 300 x 300mm | 200 x 200mm |
| Weight | 53.0 lbs | 28.0 lbs |
| Dimensions | 57.0 x 32.7 x 1.0 inches | — |
| Dimensions (w/ stand) | 57.0 x 35.3 x 11.4 inches | 48.3 x 30.4 x 10.6 inches |
| Audio | ||
| Output (watts) | 60 | 20 |
| Speakers | 2.2.2ch Object Tracking Sound+ | 2.0ch |
| 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" | 55" |
| Type | Neo QLED Mini-LED | Quantum LED |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K UHD) |
| Refresh rate | 120Hz (144Hz via firmware update) | 120Hz (native) |
| Brightness (nits) | 2000 | 800 |
| Smart TV | ||
| Os | Tizen OS | SmartCast OS |
| Voice assistant | Bixby, Alexa, Google Assistant | Google Assistant, Apple AirPlay 2, Chromecast |
| Connectivity | ||
| Wi-Fi | Wi-Fi 6E | Wi-Fi 6 (802.11ax) |
| Ethernet | ||
| Bluetooth | 5.2 | 5.0 |
| USB ports | 2 | 1 |
| HDMI ports | 4 | 4 |
| Processor | ||
| Chipset | — | IQ Active Processor |
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 M-Series 55".

