LG UR8000 55" (UHD) vs TCL QM8 65"
The Verdict
These TVs occupy completely different market tiers. LG's UR8000 is an entry-level 55-inch IPS LCD with basic 4K capabilities, 300 nits brightness, and modest 20W audio without Dolby Atmos. It handles everyday viewing adequately but lacks gaming features like VRR or ALLM, with 15ms input lag that gamers will notice. TCL's QM8 is a premium 65-inch mini-LED QLED with 5000 nits peak brightness, full-array local dimming for superior contrast, and Dolby Vision support. It includes 120Hz refresh rate, variable refresh rate, ALLM, and only 6ms input lag for serious gaming performance. Audio quality dramatically differs, with TCL delivering 50W 2.1ch with Dolby Atmos versus LG's basic 20W 2.0ch setup. Connectivity improvements favor TCL with Wi-Fi 6, four HDMI ports, and two USB ports compared to LG's Wi-Fi 5 and single USB. At 2.5 times the price, TCL's larger screen size and superior specs justify premium positioning for buyers wanting gaming capabilities, bright room performance, and premium features. The LG suits budget-conscious buyers accepting basic functionality without gaming aspirations.
Who Should Buy
Buy the LG UR8000 55" (UHD) if…
- →Affordable 55-inch 4K at $399 for budget-conscious buyers
- →webOS 23 smart TV platform with all major streaming apps
- →IPS panel offers wide viewing angles for family rooms
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
Category Scores
Pros & Cons
LG UR8000 55" (UHD)
Pros
- Affordable 55-inch 4K at $399 for budget-conscious buyers
- webOS 23 smart TV platform with all major streaming apps
- IPS panel offers wide viewing angles for family rooms
- LG ThinQ AI and Alexa voice control built in
- Lightweight at 27.1 lbs — straightforward wall mount installation
Cons
- IPS LCD has poor contrast — blacks appear grey in dark rooms
- 300 nits brightness is very dim — HDR is essentially non-functional
- 60Hz with no VRR — not suitable for gaming
- 20W audio is tinny — external speakers needed
- No Dolby Vision, Dolby Atmos, or HDMI 2.1
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
Full Specifications
| Spec | LG UR8000 55" (UHD) | TCL QM8 65" |
|---|---|---|
| Body | ||
| VESA mount | 300 x 300mm | 400 x 300mm |
| Weight | 27.1 lbs | 68.3 lbs |
| Dimensions | 48.7 x 28.3 x 3.4 inches | — |
| Dimensions (w/ stand) | 48.7 x 30.4 x 8.4 inches | 56.7 x 36.6 x 12.8 inches |
| Audio | ||
| Output (watts) | 20 | 50 |
| Speakers | 2.0ch | 2.1ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 15 | 6 |
| Display | ||
| HDR | HDR10, HLG | Dolby Vision IQ, HDR10+, HDR10, HLG |
| Size | 55" | 65" |
| Type | IPS LCD | Mini-LED QLED |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K UHD) |
| Refresh rate | 60Hz | 120Hz |
| Brightness (nits) | 300 | 5000 |
| Smart TV | ||
| Os | webOS 23 | Google TV |
| Voice assistant | LG ThinQ AI, Alexa | Google Assistant |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6 (802.11ax) |
| Ethernet | ||
| Bluetooth | 5.0 | 5.0 |
| USB ports | 1 | 2 |
| HDMI ports | 3 | 4 |
| Processor | ||
| Chipset | — | AiPQ Pro Processor |
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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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