Hisense A6K 55" (UHD LED) vs TCL 6-Series R655 55" (Mini-LED QLED)
The Verdict
Hisense's A6K delivers budget-conscious 4K viewing at an exceptional price point, featuring Dolby Vision support and 350-nit brightness suitable for moderately lit rooms. TCL's 6-Series R655 represents a premium alternative with transformative mini-LED backlighting that produces 1500-nit peak brightness, enabling dramatically superior contrast and HDR performance. Gaming capabilities diverge significantly: TCL includes 120Hz refresh rate, variable refresh rate (VRR), and 7ms input lag for competitive advantages, while Hisense maxes out at 60Hz and 14ms lag. Audio benefits TCL with 30W Dolby Atmos support versus Hisense's modest 16W stereo output. Google TV on TCL provides more app flexibility than VIDAA U6, though both integrate voice assistants competently. The $420 price gap reflects genuine capability differences rather than marketing premium. Budget shoppers accepting basic performance will find Hisense adequate; anyone prioritizing picture quality, gaming responsiveness, and immersive audio should invest in TCL's superior engineering.
Who Should Buy
Buy the Hisense A6K 55" (UHD LED) if…
- →55-inch 4K at $329 is one of the cheapest large-screen TVs available
- →Dolby Vision and HDR10+ support at a budget price is impressive
- →VA panel provides decent contrast for the price
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
Hisense A6K 55" (UHD LED)
Pros
- 55-inch 4K at $329 is one of the cheapest large-screen TVs available
- Dolby Vision and HDR10+ support at a budget price is impressive
- VA panel provides decent contrast for the price
- Lightweight at 25.4 lbs — easy to handle and wall-mount
- Alexa built-in for voice control without an external device
Cons
- 60Hz panel with no VRR — not suited for gaming
- 350 nits is very dim — HDR is essentially non-functional
- VIDAA OS has a limited app selection compared to Google TV
- 16W audio is weak and tinny — external speakers are mandatory
- No HDMI 2.1 or Dolby Atmos
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 | Hisense A6K 55" (UHD LED) | TCL 6-Series R655 55" (Mini-LED QLED) |
|---|---|---|
| Body | ||
| VESA mount | 200 x 200mm | 300 x 300mm |
| Weight | 25.4 lbs | 37.3 lbs |
| Dimensions | 48.4 x 28.1 x 3.2 inches | 48.2 x 27.8 x 3.0 inches |
| Dimensions (w/ stand) | 48.4 x 30.0 x 8.7 inches | 48.2 x 30.4 x 11.3 inches |
| Audio | ||
| Output (watts) | 16 | 30 |
| Speakers | 2.0ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 14 | 7 |
| Display | ||
| HDR | Dolby Vision, HDR10+, HDR10, HLG | Dolby Vision, HDR10+, HDR10, HLG |
| Size | 55" | 55" |
| Type | Direct LED (VA LCD) | Mini-LED QLED (VA LCD) |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K) |
| Refresh rate | 60Hz | 120Hz |
| Brightness (nits) | 350 | 1500 |
| Smart TV | ||
| Os | VIDAA U6 | Google TV |
| Voice assistant | Alexa | 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 |
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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 Hisense products or all TCL products. View full details for the Hisense A6K 55" (UHD LED) or the TCL 6-Series R655 55" (Mini-LED QLED).

