Samsung CU8500 55" (Crystal UHD) vs Vizio P-Series Quantum 65"
The Verdict
Samsung's CU8500 delivers solid 4K performance at an exceptional budget price, featuring HDR10+ support and acceptable 11ms input lag for casual gaming. However, Vizio's P-Series Quantum substantially outperforms it across nearly every metric: the 65-inch panel offers dramatically superior brightness (1200 nits vs 350), full-array local dimming for superior contrast, 120Hz refresh rate with VRR for gaming, Dolby Vision HDR, and Wi-Fi 6 connectivity. Picture quality differences are pronounced,Vizio's quantum dot technology and backlighting create noticeably deeper blacks and more vibrant colors. While both use identical 20W audio systems, Vizio provides an extra HDMI port. At double the price, Vizio targets serious gamers and movie enthusiasts willing to invest in premium picture quality. Samsung CU8500 suits budget-conscious buyers seeking basic 4K streaming; Vizio P-Series Quantum is the clear choice for those prioritizing visual excellence and gaming performance.
Who Should Buy
Buy the Samsung CU8500 55" (Crystal UHD) if…
- →Affordable 4K at $479 makes it one of Samsung's best budget options
- →Crystal Processor 4K handles decent upscaling for the price
- →Tizen OS provides a full smart TV platform with all major apps
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 CU8500 55" (Crystal UHD)
Pros
- Affordable 4K at $479 makes it one of Samsung's best budget options
- Crystal Processor 4K handles decent upscaling for the price
- Tizen OS provides a full smart TV platform with all major apps
- HDR10+ support for compatible content
- Slim design with clean aesthetics for the price segment
Cons
- 60Hz panel — no 120Hz or VRR for gaming
- 350 nits brightness is too dim for convincing HDR
- 20W speakers are weak — external audio recommended
- Only 3 HDMI ports, none are HDMI 2.1
- No Dolby Atmos or Dolby Vision
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 CU8500 55" (Crystal UHD) | Vizio P-Series Quantum 65" |
|---|---|---|
| Body | ||
| VESA mount | 200 x 200mm | 300 x 300mm |
| Weight | 30.4 lbs | 44.7 lbs |
| Dimensions | 48.4 x 28.0 x 1.0 inches | 56.9 x 32.9 x 3.0 inches |
| Dimensions (w/ stand) | 48.4 x 30.3 x 8.6 inches | 56.9 x 35.3 x 12.0 inches |
| Audio | ||
| Output (watts) | 20 | 20 |
| Speakers | 2.0ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 11 | 8 |
| Display | ||
| HDR | HDR10+, HLG | Dolby Vision, HDR10+, HDR10, HLG |
| Size | 55" | 65" |
| Type | Crystal UHD (VA LCD) | Quantum Color LED (VA LCD, Full Array Local Dimming) |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K) |
| Refresh rate | 60Hz | 120Hz |
| Brightness (nits) | 350 | 1200 |
| Smart TV | ||
| Os | Tizen OS | SmartCast (Chromecast built-in) |
| Voice assistant | Bixby, Alexa | Google Assistant, Alexa (via voice remote) |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6 |
| Ethernet | ||
| Bluetooth | 5.2 | 5.0 |
| USB ports | 1 | 1 |
| HDMI ports | 3 | 4 |
Related Comparisons
- Vizio P-Series Quantum 65" vs Vizio OLED 55"
- Vizio P-Series Quantum 65" vs TCL QM8 65"
- Vizio P-Series Quantum 65" vs TCL Q7 55" (QLED)
- Vizio P-Series Quantum 65" vs TCL 6-Series R655 55" (Mini-LED QLED)
- Vizio P-Series Quantum 65" vs TCL 5-Series S555 65" (QLED)
- Vizio P-Series Quantum 65" vs Sony X90L 65"
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 CU8500 55" (Crystal UHD) or the Vizio P-Series Quantum 65".

