TCL 5-Series S555 65" (QLED) vs Vizio M7 Q-Series 55"
The Verdict
Both deliver solid 4K entertainment value, but they target different priorities. TCL's 5-Series offers a larger 65-inch screen with superior gaming credentials,120Hz refresh rate, VRR support, and 8ms input lag make it significantly better for PS5/Xbox Series X play. Its 800-nit brightness also elevates HDR performance compared to Vizio's 600 nits. However, Vizio's M7 Q-Series wins on compactness and dual voice assistant support (Google/Alexa), fitting better in smaller spaces at $499. Neither excels in audio (both 2.0ch, 20-24W), but TCL's extra brightness and gaming features justify the $100 premium for most buyers. Choose TCL if gaming or screen size matters; pick Vizio for budget-conscious buyers in smaller rooms who value flexibility.
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 M7 Q-Series 55" if…
- →Quantum color at $499 delivers vivid, wide gamut colors
- →Dolby Vision and HDR10+ dual support is rare at this price
- →Local dimming zones improve contrast over basic LED TVs
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 M7 Q-Series 55"
Pros
- Quantum color at $499 delivers vivid, wide gamut colors
- Dolby Vision and HDR10+ dual support is rare at this price
- Local dimming zones improve contrast over basic LED TVs
- Wi-Fi 6 for fast, reliable streaming
- Lightweight at 29.5 lbs for easy installation
Cons
- 60Hz panel — no 120Hz or VRR for gaming
- SmartCast OS is sluggish and frustrating to navigate
- Only 3 HDMI ports, no HDMI 2.1
- 20W speakers are thin and lacking bass
- 600 nits is modest — HDR highlights don't fully shine
Full Specifications
| Spec | TCL 5-Series S555 65" (QLED) | Vizio M7 Q-Series 55" |
|---|---|---|
| Body | ||
| VESA mount | 300 x 300mm | 200 x 200mm |
| Weight | 42.3 lbs | 29.5 lbs |
| Dimensions | 57.2 x 33.0 x 3.2 inches | 48.3 x 28.0 x 3.2 inches |
| Dimensions (w/ stand) | 57.2 x 35.6 x 12.3 inches | 48.3 x 30.2 x 9.6 inches |
| Audio | ||
| Output (watts) | 24 | 20 |
| Speakers | 2.0ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 8 | 12 |
| Display | ||
| HDR | Dolby Vision, HDR10+, HDR10, HLG | Dolby Vision, HDR10+, HDR10, HLG |
| Size | 65" | 55" |
| Type | QLED (VA LCD) | Quantum Color LED (VA LCD) |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K) |
| Refresh rate | 120Hz | 60Hz |
| Brightness (nits) | 800 | 600 |
| Smart TV | ||
| Os | Google TV | SmartCast (Chromecast built-in) |
| Voice assistant | Google Assistant | Google Assistant, Alexa |
| Connectivity | ||
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6 |
| Ethernet | ||
| Bluetooth | 5.0 | 5.0 |
| USB ports | 1 | 1 |
| HDMI ports | 4 | 3 |
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 M7 Q-Series 55".