TCL 5-Series S555 65" (QLED) vs Vizio P-Series Quantum 65"
The Verdict
Both 65-inch 4K TVs deliver solid gaming performance with 120Hz refresh rates and 8ms input lag, but diverge significantly in picture quality and price. Vizio's P-Series Quantum distinguishes itself with full-array local dimming and substantially higher brightness at 1200 nits versus TCL's 800 nits, resulting in dramatically superior contrast, deeper blacks, and more vivid HDR performance. TCL's 5-Series S555 remains competitive with QLED technology and full HDR format support, making it an excellent value choice for budget-conscious buyers. Audio specs slightly favor TCL with 24W output against Vizio's 20W, though both offer modest 2.0-channel configurations without Dolby Atmos. Smart TV integration mirrors their price positions,Vizio includes dual voice assistant support while TCL provides Google TV essentials. For gaming and general content consumption on a strict budget, the TCL delivers remarkable performance. However, the Vizio's superior brightness and contrast control justify its $400 premium for anyone prioritizing picture quality and premium viewing experiences.
Who Should Buy
Buy the TCL 5-Series S555 65" (QLED) if…
- →65-inch 4K with 120Hz and VRR at $599 is outstanding value
- →Both Dolby Vision and HDR10+ support — rare at this price
- →QLED color enhancement produces vivid, saturated colors
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
TCL 5-Series S555 65" (QLED)
Pros
- 65-inch 4K with 120Hz and VRR at $599 is outstanding value
- Both Dolby Vision and HDR10+ support — rare at this price
- QLED color enhancement produces vivid, saturated colors
- Wi-Fi 6 and four HDMI ports (one HDMI 2.1) handle modern setups
- Google TV platform with Chromecast built-in
Cons
- Only 1 HDMI 2.1 port — the other 3 are HDMI 2.0
- 800 nits is decent but not as impressive as the 6-Series
- No Dolby Atmos — audio is basic
- Edge-lit local dimming with limited zones shows blooming
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 | TCL 5-Series S555 65" (QLED) | Vizio P-Series Quantum 65" |
|---|---|---|
| Body | ||
| VESA mount | 300 x 300mm | 300 x 300mm |
| Weight | 42.3 lbs | 44.7 lbs |
| Dimensions | 57.2 x 33.0 x 3.2 inches | 56.9 x 32.9 x 3.0 inches |
| Dimensions (w/ stand) | 57.2 x 35.6 x 12.3 inches | 56.9 x 35.3 x 12.0 inches |
| Audio | ||
| Output (watts) | 24 | 20 |
| Speakers | 2.0ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 8 | 8 |
| Display | ||
| HDR | Dolby Vision, HDR10+, HDR10, HLG | Dolby Vision, HDR10+, HDR10, HLG |
| Size | 65" | 65" |
| Type | QLED (VA LCD) | Quantum Color LED (VA LCD, Full Array Local Dimming) |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K) |
| Refresh rate | 120Hz | 120Hz |
| Brightness (nits) | 800 | 1200 |
| Smart TV | ||
| Os | Google TV | SmartCast (Chromecast built-in) |
| Voice assistant | Google Assistant | Google Assistant, Alexa (via voice remote) |
| Connectivity | ||
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6 |
| Ethernet | ||
| Bluetooth | 5.0 | 5.0 |
| USB ports | 1 | 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 TCL products or all Vizio products. View full details for the TCL 5-Series S555 65" (QLED) or the Vizio P-Series Quantum 65".

