Samsung S90C 55" (4K OLED) vs Vizio OLED 55"
The Verdict
Samsung's S90C commands a premium with its QD-OLED panel delivering 1300 nits peak brightness versus Vizio's standard OLED at 600 nits,a decisive advantage for bright rooms and HDR content. Gaming performance favors Samsung with 6ms input lag, 144Hz support in Game Mode, and superior 2.1ch audio (40W) compared to Vizio's 2.0ch setup. Vizio counters with Wi-Fi 6 connectivity and aggressive $600 pricing that's genuinely compelling for budget-conscious buyers. Both offer 4K 120Hz, VRR, and ALLM, but Samsung's brighter, faster panel and enhanced audio justify the investment for serious movie and gaming enthusiasts. For demanding users prioritizing picture quality and gaming responsiveness, Samsung S90C is the clear winner. Vizio suits those seeking OLED benefits on a tighter budget.
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 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 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 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 S90C 55" (4K OLED) | Vizio OLED 55" |
|---|---|---|
| Body | ||
| VESA mount | 300 x 300mm | 300 x 300mm |
| Weight | 33.5 lbs | 33.5 lbs |
| Dimensions | 48.2 x 27.7 x 0.4 inches | 48.2 x 28.0 x 1.5 inches |
| Dimensions (w/ stand) | 48.2 x 30.2 x 9.3 inches | 48.2 x 29.7 x 10.0 inches |
| Audio | ||
| Output (watts) | 40 | 30 |
| Speakers | 2.1ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 6 | 10 |
| Display | ||
| HDR | Quantum HDR OLED, HDR10+, HLG | Dolby Vision, HDR10+, HDR10, HLG |
| Size | 55" | 55" |
| Type | QD-OLED | OLED |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K) |
| Refresh rate | 120Hz (144Hz via Game Mode) | 120Hz |
| Brightness (nits) | 1300 | 600 |
| Smart TV | ||
| Os | Tizen OS | SmartCast (Chromecast built-in) |
| Voice assistant | Bixby, Alexa, Google Assistant | Google Assistant, Alexa |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 | 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 S90C 55" (4K OLED) or the Vizio OLED 55".

