TCL S4 55" vs Vizio M-Series 55"
The Verdict
Vizio's M-Series significantly outperforms TCL's S4 across nearly every meaningful dimension. Picture quality stands apart,Vizio's Quantum LED panel delivers 800 nits brightness versus TCL's 400 nits, enabling substantially better HDR performance and contrast. Gaming performance overwhelmingly favors Vizio with 120Hz native refresh rate, VRR, ALLM support, and 8ms input lag compared to TCL's 60Hz fixed refresh rate and 30ms lag. Audio output edges toward Vizio (20W vs 15W), and connectivity improvements include Wi-Fi 6, an extra HDMI port, and superior smart platform integration. TCL's AiPQ processor trails Vizio's IQ Active significantly. While TCL provides respectable value at $279, the $170 premium for Vizio delivers transformative upgrades in gaming, HDR performance, and overall visual quality. Gamers and cinephiles should absolutely choose Vizio; casual viewers on tight budgets might accept TCL's compromises.
Who Should Buy
Buy the TCL S4 55" if…
- →Extraordinary value at $279 for a 55-inch 4K Google TV
- →Google TV offers access to virtually every streaming service out of the box
- →Lightweight and easy to install — great for bedrooms, kitchens, or secondary rooms
Buy the Vizio M-Series 55" if…
- →120Hz with VRR and 4K@120Hz at under $450 is great for console gamers
- →Dolby Vision and HDR10+ dual support
- →Four HDMI 2.1 ports — enough for every console and streaming device
Category Scores
Pros & Cons
TCL S4 55"
Pros
- Extraordinary value at $279 for a 55-inch 4K Google TV
- Google TV offers access to virtually every streaming service out of the box
- Lightweight and easy to install — great for bedrooms, kitchens, or secondary rooms
- Decent picture for casual streaming at typical 8–10 foot viewing distances
Cons
- 60Hz panel is not suitable for gaming or fast-motion sports content
- Low peak brightness of ~400 nits struggles in bright, sunlit rooms
- No HDMI 2.1 — limits PS5 and Xbox Series X to 4K@60Hz only
- 15W audio output is thin and lacks bass — an external soundbar is recommended
- No VRR or ALLM means gaming performance is not a priority for this model
Vizio M-Series 55"
Pros
- 120Hz with VRR and 4K@120Hz at under $450 is great for console gamers
- Dolby Vision and HDR10+ dual support
- Four HDMI 2.1 ports — enough for every console and streaming device
- Wi-Fi 6 and Chromecast built-in for fast streaming
- Quantum color delivers better color volume than basic LED
Cons
- SmartCast OS is slow and has fewer apps than Google TV
- 800-nit brightness is adequate but not impressive for HDR
- No local dimming zones — contrast is limited
- Vizio's long-term software support and update track record is inconsistent
Full Specifications
| Spec | TCL S4 55" | Vizio M-Series 55" |
|---|---|---|
| Body | ||
| VESA mount | 200 x 200mm | 200 x 200mm |
| Weight | 28.7 lbs | 28.0 lbs |
| Dimensions (w/ stand) | 48.5 x 32.4 x 9.2 inches | 48.3 x 30.4 x 10.6 inches |
| Audio | ||
| Output (watts) | 15 | 20 |
| Speakers | 2.0ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 30 | 8 |
| Display | ||
| HDR | HDR10, Dolby Vision, HLG | Dolby Vision, HDR10+, HLG |
| Size | 55" | 55" |
| Type | LED | Quantum LED |
| Resolution | 3840 x 2160 (4K UHD) | 3840 x 2160 (4K UHD) |
| Refresh rate | 60Hz | 120Hz (native) |
| Brightness (nits) | 400 | 800 |
| Smart TV | ||
| Os | Google TV | SmartCast OS |
| Voice assistant | Google Assistant | Google Assistant, Apple AirPlay 2, Chromecast |
| Processor | ||
| Chipset | AiPQ Lite Processor | IQ Active Processor |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 (802.11ac) | Wi-Fi 6 (802.11ax) |
| Ethernet | ||
| Bluetooth | 5.0 | 5.0 |
| USB ports | 1 | 1 |
| HDMI ports | 3 | 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.
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