Samsung S90C 65" (4K OLED) vs Vizio M-Series 55"
The Verdict
Samsung's S90C represents the pinnacle of OLED television technology with its QD-OLED panel delivering exceptional contrast, deep blacks, and superior viewing angles. Peak brightness reaches 1500 nits with Quantum HDR support, creating stunning visuals across all content. Gaming performance excels with 6ms input lag, 144Hz support in Game Mode, and VRR/ALLM compatibility. Audio quality is bolstered by 40W 2.1ch speakers with Dolby Atmos. Vizio's M-Series offers tremendous value for budget-conscious buyers, featuring native 4K resolution and solid gaming specs at a quarter the price. However, its Quantum LED backlit panel cannot match OLED's contrast ratios or color accuracy, while 800-nit brightness falls significantly short. The 55-inch screen size also provides less immersive viewing. Choose Samsung S90C if premium picture quality and gaming performance justify the investment; select Vizio M-Series for budget-friendly 4K entertainment without premium features.
Who Should Buy
Buy the Samsung S90C 65" (4K OLED) if…
- →65-inch QD-OLED at $1,999 undercuts LG C3 OLED while being brighter
- →Wider color gamut and higher brightness than traditional WOLED panels
- →Infinite contrast with no light bleed or blooming
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 S90C 65" (4K OLED)
Pros
- 65-inch QD-OLED at $1,999 undercuts LG C3 OLED while being brighter
- Wider color gamut and higher brightness than traditional WOLED panels
- Infinite contrast with no light bleed or blooming
- Excellent for gaming with 4K@144Hz, VRR, and low input lag
- Anti-glare coating reduces reflections in bright rooms
Cons
- No Dolby Vision — HDR10+ only
- 40W speakers are underwhelming for a $2,000 TV — needs a soundbar
- Potential OLED burn-in risk with static content
- Wi-Fi 5 on a premium 2023 TV feels like a cost-cutting measure
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 S90C 65" (4K OLED) | Vizio M-Series 55" |
|---|---|---|
| Body | ||
| VESA mount | 300 x 300mm | 200 x 200mm |
| Weight | 40.6 lbs | 28.0 lbs |
| Dimensions | 56.8 x 32.5 x 0.5 inches | — |
| Dimensions (w/ stand) | 56.8 x 34.5 x 10.1 inches | 48.3 x 30.4 x 10.6 inches |
| Audio | ||
| Output (watts) | 40 | 20 |
| Speakers | 2.1ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 6 | 8 |
| Display | ||
| HDR | Quantum HDR OLED, HDR10+, HLG | Dolby Vision, HDR10+, HLG |
| Size | 65" | 55" |
| Type | QD-OLED | Quantum LED |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K UHD) |
| Refresh rate | 120Hz (144Hz via Game Mode) | 120Hz (native) |
| Brightness (nits) | 1500 | 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 5 | 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 S90C 65" (4K OLED) or the Vizio M-Series 55".

