Samsung S90C 55" (4K OLED) vs Vizio P-Series Quantum 65"
The Verdict
Samsung's S90C delivers superior picture quality through QD-OLED technology with 1300 nits peak brightness, perfect blacks, and exceptional contrast,ideal for dark room viewing. Its 55" display feels compact for a flagship, though the 144Hz gaming mode and 6ms input lag provide competitive gaming performance. Vizio's 65" P-Series Quantum offers substantially larger real estate at $600 less, compensating with full-array local dimming and Quantum Color LED brightness near Samsung's level (1200 nits). However, its VA LCD panel can't match OLED's black levels or viewing angles. Gaming specs slightly favor Samsung (6ms vs 8ms lag), while Vizio edges ahead with Wi-Fi 6 connectivity. Audio is stronger on Samsung's 2.1ch, 40W setup with Dolby Atmos. Choose Samsung S90C for premium picture quality and gaming in smaller spaces; select Vizio P-Series for maximum screen size and budget-conscious buyers willing to accept LCD compromises.
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 P-Series Quantum 65" if…
- →Strong price-to-performance — quantum dot color and FALD at $999
- →Both Dolby Vision and HDR10+ support all HDR content
- →120Hz with VRR and ALLM for console and PC gaming
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 P-Series Quantum 65"
Pros
- Strong price-to-performance — quantum dot color and FALD at $999
- Both Dolby Vision and HDR10+ support all HDR content
- 120Hz with VRR and ALLM for console and PC gaming
- 1200 nits peak brightness makes HDR content pop
- Wide color gamut with quantum dot enhancement
Cons
- SmartCast platform is slow and has limited apps compared to Google TV
- 20W audio is very weak — a soundbar is essential
- Build quality and remote feel budget-oriented
- Vizio software support and updates can be inconsistent
Full Specifications
| Spec | Samsung S90C 55" (4K OLED) | Vizio P-Series Quantum 65" |
|---|---|---|
| Body | ||
| VESA mount | 300 x 300mm | 300 x 300mm |
| Weight | 33.5 lbs | 44.7 lbs |
| Dimensions | 48.2 x 27.7 x 0.4 inches | 56.9 x 32.9 x 3.0 inches |
| Dimensions (w/ stand) | 48.2 x 30.2 x 9.3 inches | 56.9 x 35.3 x 12.0 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+, HDR10, HLG |
| Size | 55" | 65" |
| Type | QD-OLED | Quantum Color LED (VA LCD, Full Array Local Dimming) |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K) |
| Refresh rate | 120Hz (144Hz via Game Mode) | 120Hz |
| Brightness (nits) | 1300 | 1200 |
| Smart TV | ||
| Os | Tizen OS | SmartCast (Chromecast built-in) |
| Voice assistant | Bixby, Alexa, Google Assistant | Google Assistant, Alexa (via voice remote) |
| 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 P-Series Quantum 65".

