Sony X80K 55" (LED) vs TCL 6-Series R655 55" (Mini-LED QLED)
The Verdict
Both 55-inch 4K TVs deliver excellent value at their price points, but they serve different viewing preferences. Sony's X80K uses a direct LED panel with 500 nits brightness and a 60Hz refresh rate, making it solid for movies and casual gaming with its 16ms input lag and ALLM support. TCL's 6-Series R655 steps up significantly with mini-LED backlighting and 1500 nits peak brightness, three times brighter for HDR content. The TCL also features a 120Hz panel with variable refresh rate technology, crushing the Sony's 7ms input lag for competitive gaming. Audio differs meaningfully: TCL delivers 30 watts across its speakers versus Sony's 20 watts, both with Dolby Atmos support. TCL includes Wi-Fi 6 and Bluetooth 5.0 against Sony's Wi-Fi 5 and 4.2, providing faster streaming potential. The Sony edges out slightly on design, being 8 pounds lighter and more space-efficient. For pure picture quality in bright rooms, the TCL's superior brightness and contrast control dominate. If gaming matters to you, TCL's 120Hz refresh rate and VRR are game-changers. Sony remains the pick for movie enthusiasts in darker environments and those prioritizing portability, but at just $50 more, the TCL 6-Series delivers substantially better contrast, brightness, and gaming performance, making it the smarter choice for most buyers.
Who Should Buy
Buy the Sony X80K 55" (LED) if…
- →Sony's X1 processor delivers noticeably better image processing than budget competitors
- →Dolby Vision and Dolby Atmos provide a premium HDR experience
- →Google TV with Chromecast built-in handles streaming beautifully
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
Sony X80K 55" (LED)
Pros
- Sony's X1 processor delivers noticeably better image processing than budget competitors
- Dolby Vision and Dolby Atmos provide a premium HDR experience
- Google TV with Chromecast built-in handles streaming beautifully
- Triluminos Pro color engine produces natural, accurate colors
- Four HDMI ports for connecting multiple devices
Cons
- 60Hz panel with no VRR — not for gaming
- 500 nits brightness limits HDR impact
- Edge-lit LED without local dimming has poor contrast
- 20W audio is thin and tinny
- Bluetooth 4.2 limits wireless audio options
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 | Sony X80K 55" (LED) | TCL 6-Series R655 55" (Mini-LED QLED) |
|---|---|---|
| Body | ||
| VESA mount | 300 x 300mm | 300 x 300mm |
| Weight | 29.1 lbs | 37.3 lbs |
| Dimensions | 48.7 x 28.3 x 3.0 inches | 48.2 x 27.8 x 3.0 inches |
| Dimensions (w/ stand) | 48.7 x 30.5 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) | 16 | 7 |
| Display | ||
| HDR | Dolby Vision, HDR10, HLG | Dolby Vision, HDR10+, HDR10, HLG |
| Size | 55" | 55" |
| Type | Direct LED (IPS / VA varies by size) | 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 | Google TV | Google TV |
| Voice assistant | Google Assistant, Alexa | Google Assistant |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6 |
| Ethernet | ||
| Bluetooth | 4.2 | 5.0 |
| USB ports | 2 | 1 |
| HDMI ports | 4 | 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 Sony products or all TCL products. View full details for the Sony X80K 55" (LED) or the TCL 6-Series R655 55" (Mini-LED QLED).