Sony X77L 55" vs TCL 6-Series R655 55" (Mini-LED QLED)
The Verdict
Sony's X77L offers solid 4K performance at an attractive $549 price point, featuring a competent X1 processor and 400-nit brightness suitable for moderately lit rooms. TCL's 6-Series R655 commands a $200 premium but delivers substantially superior specs: Mini-LED backlighting with 1500-nit peak brightness, 120Hz refresh rate versus 60Hz, VRR support for gaming, and a mere 7ms input lag compared to Sony's 15ms. Picture quality differences are significant,TCL's technology enables superior contrast, HDR impact, and gaming responsiveness. Audio leans TCL's way with 30W Dolby Atmos speakers versus Sony's basic 20W setup. For budget-conscious buyers prioritizing value, the Sony excels. However, gamers and those seeking best-in-class picture quality should invest in TCL's more capable feature set. The R655 represents meaningfully better performance justifying its premium.
Who Should Buy
Buy the Sony X77L 55" if…
- →Sony's color accuracy and motion handling are superior to budget competitors
- →Google TV with Chromecast built-in and Apple AirPlay 2
- →Four HDMI ports are generous at this 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
Sony X77L 55"
Pros
- Sony's color accuracy and motion handling are superior to budget competitors
- Google TV with Chromecast built-in and Apple AirPlay 2
- Four HDMI ports are generous at this price
- Motionflow XR produces smooth motion for sports and movies
- Clean, minimalist design fits any room
Cons
- 60Hz panel — not ideal for gaming or fast action
- No Dolby Vision — surprising for a Sony TV
- 400-nit brightness is low for HDR content
- No VRR for next-gen console gaming
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 X77L 55" | TCL 6-Series R655 55" (Mini-LED QLED) |
|---|---|---|
| Body | ||
| VESA mount | 200 x 200mm | 300 x 300mm |
| Weight | 27.6 lbs | 37.3 lbs |
| Dimensions (w/ stand) | 48.5 x 30.9 x 10.6 inches | 48.2 x 30.4 x 11.3 inches |
| Dimensions | — | 48.2 x 27.8 x 3.0 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 | LED | Mini-LED QLED (VA LCD) |
| Resolution | 3840 x 2160 (4K UHD) | 3840 x 2160 (4K) |
| Refresh rate | 60Hz | 120Hz |
| Brightness (nits) | 400 | 1500 |
| Smart TV | ||
| Os | Google TV | Google TV |
| Voice assistant | Google Assistant, Alexa, Apple AirPlay 2 | Google Assistant |
| Processor | ||
| Chipset | X1 4K HDR Processor | — |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 (802.11ac) | Wi-Fi 6 |
| Ethernet | ||
| Bluetooth | 5.0 | 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 X77L 55" or the TCL 6-Series R655 55" (Mini-LED QLED).