Samsung S90C 55" (4K OLED) vs Vizio M-Series 55"
The Verdict
Samsung's S90C delivers exceptional picture quality with QD-OLED technology, achieving 1300 nits peak brightness and superior contrast ratios that make it ideal for dark rooms and premium content. Vizio's M-Series offers solid value with Quantum LED, 800 nits brightness, and Wi-Fi 6 connectivity at roughly one-third the price. Gaming performance favors Samsung slightly with 6ms input lag versus Vizio's 8ms, plus 144Hz Game Mode support. For audio, Samsung provides 40W 2.1ch with Dolby Atmos versus Vizio's modest 20W 2.0ch system. Vizio compensates somewhat with better smart TV flexibility through Google ecosystem integration. Picture quality difference is substantial,OLED's infinite contrast and perfect blacks outclass LED significantly for movies and premium gaming. Budget-conscious buyers seeking good performance find excellent value in Vizio, but those prioritizing elite image quality justify Samsung's premium.
Who Should Buy
Buy the Samsung S90C 55" (4K OLED) if…
- →QD-OLED at $1,599 is the most affordable OLED with quantum dot color
- →Infinite contrast ratio with perfect black levels
- →144Hz with VRR — excellent for PS5 and Xbox Series X 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 S90C 55" (4K OLED)
Pros
- QD-OLED at $1,599 is the most affordable OLED with quantum dot color
- Infinite contrast ratio with perfect black levels
- 144Hz with VRR — excellent for PS5 and Xbox Series X gaming
- Vivid, wide color gamut coverage exceeds traditional WOLED
- Ultra-slim panel at 0.4 inches looks stunning mounted
Cons
- 55-inch S90C uses a different (WOLED) panel in some regions — verify before buying
- No Dolby Vision support
- 40W audio is weaker than the S95C — soundbar recommended
- Wi-Fi 5 only on the 55-inch model
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 55" (4K OLED) | Vizio M-Series 55" |
|---|---|---|
| Body | ||
| VESA mount | 300 x 300mm | 200 x 200mm |
| Weight | 33.5 lbs | 28.0 lbs |
| Dimensions | 48.2 x 27.7 x 0.4 inches | — |
| Dimensions (w/ stand) | 48.2 x 30.2 x 9.3 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 | 55" | 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) | 1300 | 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.
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