LG OLED A2 55" vs TCL 6-Series R655 55" (Mini-LED QLED)
The Verdict
LG's OLED A2 delivers superior picture quality with perfect blacks and infinite contrast typical of OLED technology, though its 500-nit peak brightness limits HDR impact compared to the TCL's impressive 1500-nit Mini-LED display. TCL's 6-Series R655 excels for gaming with 120Hz refresh rate, VRR support, and remarkably low 7ms input lag versus LG's 14ms, making it the clear choice for console and PC gamers. Audio output favors TCL (30W vs 20W), and it offers Wi-Fi 6 plus an extra HDMI port. LG counters with webOS 22's superior smart TV interface and multiple voice assistants. At $150 less, TCL provides exceptional value for gamers and bright-room viewing, while LG suits cinephiles prioritizing contrast and color accuracy. For most buyers seeking balanced performance and gaming capability, TCL represents the stronger value proposition.
Who Should Buy
Buy the LG OLED A2 55" if…
- →Budget OLED — perfect blacks and infinite contrast at $899
- →Dolby Vision and Dolby Atmos for immersive movie watching
- →Wide viewing angles inherent to OLED technology
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 OLED A2 55"
Pros
- Budget OLED — perfect blacks and infinite contrast at $899
- Dolby Vision and Dolby Atmos for immersive movie watching
- Wide viewing angles inherent to OLED technology
- Thin and lightweight for easy wall mounting
- Self-lit pixels produce gorgeous picture quality for the price
Cons
- 60Hz panel — no 120Hz, VRR, or HDMI 2.1 for gaming
- Only 500 nits peak brightness — dim in well-lit rooms
- 20W speakers require a soundbar for decent audio
- Only 3 HDMI ports, all HDMI 2.0
- Older α7 Gen5 processor with basic upscaling
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 OLED A2 55" | TCL 6-Series R655 55" (Mini-LED QLED) |
|---|---|---|
| Body | ||
| VESA mount | 300 x 200mm | 300 x 300mm |
| Weight | 29.1 lbs | 37.3 lbs |
| Dimensions | 48.4 x 28.0 x 1.8 inches | 48.2 x 27.8 x 3.0 inches |
| Dimensions (w/ stand) | 48.4 x 30.0 x 9.4 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) | 14 | 7 |
| Display | ||
| HDR | Dolby Vision, HDR10, HLG | Dolby Vision, HDR10+, HDR10, HLG |
| Size | 55" | 55" |
| Type | OLED (WOLED) | Mini-LED QLED (VA LCD) |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K) |
| Refresh rate | 60Hz | 120Hz |
| Brightness (nits) | 500 | 1500 |
| Smart TV | ||
| Os | webOS 22 | Google TV |
| Voice assistant | LG ThinQ AI, Alexa, Google Assistant | Google Assistant |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6 |
| Ethernet | ||
| Bluetooth | 5.0 | 5.0 |
| USB ports | 2 | 1 |
| HDMI ports | 3 | 4 |
Related Comparisons
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- TCL 6-Series R655 55" (Mini-LED QLED) vs Vizio OLED 55"
- TCL 6-Series R655 55" (Mini-LED QLED) vs Vizio M7 Q-Series 55"
- TCL 6-Series R655 55" (Mini-LED QLED) vs TCL QM8 65"
- TCL 6-Series R655 55" (Mini-LED QLED) vs TCL Q7 55" (QLED)
- TCL 6-Series R655 55" (Mini-LED QLED) vs TCL Q7 55"
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 OLED A2 55" or the TCL 6-Series R655 55" (Mini-LED QLED).

