Sony X90K 65" (Full Array LED) vs TCL 6-Series R655 55" (Mini-LED QLED)
The Verdict
Sony's X90K offers a larger 65-inch panel with full array LED backlighting and Sony's refined processing engine, delivering excellent upscaling and motion handling at 1200 nits brightness. However, TCL's 6-Series R655 counters with superior mini-LED QLED technology achieving 1500 nits peak brightness, faster Wi-Fi 6 connectivity, and better gaming response time (7ms vs 8ms), all at a $350 discount on a 55-inch display. Audio output favors TCL with 30W versus Sony's 20W. For cinephiles prioritizing screen size and brand reputation, the Sony X90K justifies the premium. Budget-conscious gamers and those in smaller rooms will find TCL's mini-LED contrast and color volume more compelling. At current pricing, TCL delivers exceptional value for the display technology and features offered.
Who Should Buy
Buy the Sony X90K 65" (Full Array LED) if…
- →Excellent Sony image processing at a competitive mid-range price
- →Full Array Local Dimming provides solid contrast for an LED TV
- →Dolby Vision and Dolby Atmos for home theater HDR experience
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 X90K 65" (Full Array LED)
Pros
- Excellent Sony image processing at a competitive mid-range price
- Full Array Local Dimming provides solid contrast for an LED TV
- Dolby Vision and Dolby Atmos for home theater HDR experience
- 120Hz with VRR and ALLM — capable gaming display
- Google TV with Chromecast built-in for seamless streaming
Cons
- Only 2 of 4 HDMI ports support 4K@120Hz
- 20W audio is very weak — soundbar essential
- Bluetooth 4.2 and Wi-Fi 5 are behind current standards
- Some blooming visible with full array backlighting in dark scenes
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 X90K 65" (Full Array LED) | TCL 6-Series R655 55" (Mini-LED QLED) |
|---|---|---|
| Body | ||
| VESA mount | 300 x 300mm | 300 x 300mm |
| Weight | 46.3 lbs | 37.3 lbs |
| Dimensions | 57.2 x 33.1 x 2.7 inches | 48.2 x 27.8 x 3.0 inches |
| Dimensions (w/ stand) | 57.2 x 35.3 x 12.0 inches | 48.2 x 30.4 x 11.3 inches |
| Audio | ||
| Output (watts) | 20 | 30 |
| Speakers | 2.0ch Acoustic Multi-Audio | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 8 | 7 |
| Display | ||
| HDR | Dolby Vision, HDR10, HLG | Dolby Vision, HDR10+, HDR10, HLG |
| Size | 65" | 55" |
| Type | Full Array LED (VA LCD) | Mini-LED QLED (VA LCD) |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K) |
| Refresh rate | 120Hz | 120Hz |
| Brightness (nits) | 1200 | 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 |
Related Comparisons
- TCL 6-Series R655 55" (Mini-LED QLED) vs Vizio P-Series Quantum 65"
- TCL 6-Series R655 55" (Mini-LED QLED) vs Vizio OLED 55"
- TCL 6-Series R655 55" (Mini-LED QLED) vs TCL QM8 65"
- TCL 6-Series R655 55" (Mini-LED QLED) vs TCL 5-Series S555 65" (QLED)
- TCL 6-Series R655 55" (Mini-LED QLED) vs Sony X90L 65"
- Sony X90K 65" (Full Array LED) vs Vizio P-Series Quantum 65"
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 X90K 65" (Full Array LED) or the TCL 6-Series R655 55" (Mini-LED QLED).

