LG UR8000 55" (UHD) vs TCL 6-Series R655 55" (Mini-LED QLED)
The Verdict
For a budget-conscious buyer, the LG UR8000 delivers solid 4K performance at $399, with webOS 23 and basic HDR support across its IPS LCD panel. However, the TCL 6-Series R655 nearly doubles the value proposition at $749. Its mini-LED QLED panel produces 1500 nits of brightness compared to the LG's 300 nits, making a dramatic difference in contrast, color accuracy, and HDR performance. TCL includes Dolby Vision and HDR10+ support, while the LG maxes out at HDR10. Gaming enthusiasts will appreciate the TCL's 120Hz refresh rate, variable refresh rate support, and 7ms input lag versus the LG's 60Hz and 15ms lag. The TCL also features a more powerful 30W audio system with Dolby Atmos versus the LG's basic 20W setup, plus Wi-Fi 6 and an extra HDMI port. The LG remains a respectable entry-level 4K option for casual viewing, but the TCL's superior display technology, gaming capabilities, and audio features justify its price premium. The TCL is the clear winner for most buyers seeking meaningful picture quality improvements.
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 6-Series R655 55" (Mini-LED QLED) if…
- →Best picture quality under $800 — Mini-LED at this price is remarkable
- →Supports both Dolby Vision AND HDR10+ — covers every HDR format
- →1500 nits peak brightness rivals TVs costing twice as much
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 6-Series R655 55" (Mini-LED QLED)
Pros
- Best picture quality under $800 — Mini-LED at this price is remarkable
- Supports both Dolby Vision AND HDR10+ — covers every HDR format
- 1500 nits peak brightness rivals TVs costing twice as much
- 4K@120Hz with VRR and ALLM — excellent for PS5 and Xbox Series X
- Google TV platform with wide app support and Chromecast built-in
Cons
- TCL software updates are slower and less frequent than Samsung/LG
- Build quality and remote feel budget-oriented
- Some blooming around bright objects on dark backgrounds
- Sound quality from 30W speakers is average — soundbar recommended
Full Specifications
| Spec | LG UR8000 55" (UHD) | TCL 6-Series R655 55" (Mini-LED QLED) |
|---|---|---|
| Body | ||
| VESA mount | 300 x 300mm | 300 x 300mm |
| Weight | 27.1 lbs | 37.3 lbs |
| Dimensions | 48.7 x 28.3 x 3.4 inches | 48.2 x 27.8 x 3.0 inches |
| Dimensions (w/ stand) | 48.7 x 30.4 x 8.4 inches | 48.2 x 30.4 x 11.3 inches |
| Audio | ||
| Output (watts) | 20 | 30 |
| Speakers | 2.0ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 15 | 7 |
| Display | ||
| HDR | HDR10, HLG | Dolby Vision, HDR10+, HDR10, HLG |
| Size | 55" | 55" |
| Type | IPS LCD | Mini-LED QLED (VA LCD) |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K) |
| Refresh rate | 60Hz | 120Hz |
| Brightness (nits) | 300 | 1500 |
| Smart TV | ||
| Os | webOS 23 | Google TV |
| Voice assistant | LG ThinQ AI, Alexa | Google Assistant |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6 |
| Ethernet | ||
| Bluetooth | 5.0 | 5.0 |
| USB ports | 1 | 1 |
| HDMI ports | 3 | 4 |
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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.
Explore more in tvs, see all LG products or all TCL products. View full details for the LG UR8000 55" (UHD) or the TCL 6-Series R655 55" (Mini-LED QLED).

