TCL QM8 65" vs Vizio OLED 55"
The Verdict
Both televisions deliver excellent value at $999, but serve different priorities. TCL's QM8 65" showcases a massive mini-LED QLED panel with impressive 5000 nits peak brightness, superior for bright rooms, and includes more robust audio with 50W 2.1-channel speakers versus Vizio's 30W 2.0 setup. Gaming performance slightly favors TCL with 6ms input lag compared to Vizio's 10ms, though both support VRR and ALLM. Vizio's 55" OLED delivers exceptional contrast, perfect blacks, and superior color accuracy with its self-emissive panel,ideal for dark room viewing and movie enthusiasts. The OLED's 1.5-inch profile is dramatically thinner, and Vizio offers dual voice assistant support. Size advantage goes to TCL (65" vs 55"), but OLED's superior picture quality and design elegance matter significantly. Choose TCL for larger bright spaces with gaming focus; select Vizio for premium picture quality and compact placement.
Who Should Buy
Buy the TCL QM8 65" if…
- →Exceptional value — up to 5,000 nits peak brightness for under $1,000
- →One of the brightest consumer TVs available regardless of price bracket
- →All four HDMI 2.1 ports with VRR and ALLM for 4K@120Hz gaming
Buy the Vizio OLED 55" if…
- →Most affordable 55-inch OLED at $999 — perfect blacks at a budget price
- →Dolby Vision, HDR10+, and Dolby Atmos — supports all major formats
- →120Hz with VRR and ALLM — capable gaming display
Category Scores
Pros & Cons
TCL QM8 65"
Pros
- Exceptional value — up to 5,000 nits peak brightness for under $1,000
- One of the brightest consumer TVs available regardless of price bracket
- All four HDMI 2.1 ports with VRR and ALLM for 4K@120Hz gaming
- Google TV provides a smooth, well-supported smart TV experience
- Dolby Vision IQ and HDR10+ covered for the full HDR ecosystem
Cons
- Aggressive brightness can look oversaturated out of the box — calibration recommended
- Mini-LED blooming is more visible than on premium Samsung or Sony panels
- Build quality and remote feel cheaper than Samsung or Sony equivalents
- Fan noise under extreme brightness conditions reported by some users
Vizio OLED 55"
Pros
- Most affordable 55-inch OLED at $999 — perfect blacks at a budget price
- Dolby Vision, HDR10+, and Dolby Atmos — supports all major formats
- 120Hz with VRR and ALLM — capable gaming display
- Infinite contrast ratio with pixel-perfect black levels
- 4x HDMI ports including HDMI 2.1 for next-gen consoles
Cons
- SmartCast OS is the weakest smart TV platform — buggy and slow
- Only 600 nits peak brightness — dimmer than LG and Samsung OLEDs
- Vizio has exited the TV market — long-term software support uncertain
- Image processing quality trails LG, Sony, and Samsung OLED models
- Build quality feels inferior to similarly priced LG A2 OLED
Full Specifications
| Spec | TCL QM8 65" | Vizio OLED 55" |
|---|---|---|
| Body | ||
| VESA mount | 400 x 300mm | 300 x 300mm |
| Weight | 68.3 lbs | 33.5 lbs |
| Dimensions (w/ stand) | 56.7 x 36.6 x 12.8 inches | 48.2 x 29.7 x 10.0 inches |
| Dimensions | — | 48.2 x 28.0 x 1.5 inches |
| Audio | ||
| Output (watts) | 50 | 30 |
| Speakers | 2.1ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 6 | 10 |
| Display | ||
| HDR | Dolby Vision IQ, HDR10+, HDR10, HLG | Dolby Vision, HDR10+, HDR10, HLG |
| Size | 65" | 55" |
| Type | Mini-LED QLED | OLED |
| Resolution | 3840 x 2160 (4K UHD) | 3840 x 2160 (4K) |
| Refresh rate | 120Hz | 120Hz |
| Brightness (nits) | 5000 | 600 |
| Smart TV | ||
| Os | Google TV | SmartCast (Chromecast built-in) |
| Voice assistant | Google Assistant | Google Assistant, Alexa |
| Processor | ||
| Chipset | AiPQ Pro Processor | — |
| Connectivity | ||
| Wi-Fi | Wi-Fi 6 (802.11ax) | Wi-Fi 6 |
| Ethernet | ||
| Bluetooth | 5.0 | 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 TCL products or all Vizio products. View full details for the TCL QM8 65" or the Vizio OLED 55".
