Sony X77L 55" vs Vizio M7 Q-Series 55"
The Verdict
Both 55-inch 4K TVs offer solid value at budget-friendly price points, but they serve different priorities. Sony's X77L delivers superior processing with its X1 4K HDR Processor and includes an extra HDMI port (4 vs 3), making it more versatile for device connectivity. Vizio's M7 Q-Series counters with significantly brighter 600-nits peak brightness versus Sony's 400 nits, a meaningful advantage for well-lit rooms, plus superior HDR support (Dolby Vision, HDR10+) and faster Wi-Fi 6 connectivity. Gaming performance slightly favors Vizio with 12ms input lag compared to Sony's 15ms, though neither excels at competitive gaming. Audio output matches at 20 watts across both. At $50 less, Vizio offers better picture performance for bright environments and streaming, while Sony provides better connectivity flexibility and processing. Choose Vizio for superior brightness and HDR capabilities; select Sony if you need maximum port connectivity and prefer Sony's processing engine.
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 Vizio M7 Q-Series 55" if…
- →Quantum color at $499 delivers vivid, wide gamut colors
- →Dolby Vision and HDR10+ dual support is rare at this price
- →Local dimming zones improve contrast over basic LED TVs
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
Vizio M7 Q-Series 55"
Pros
- Quantum color at $499 delivers vivid, wide gamut colors
- Dolby Vision and HDR10+ dual support is rare at this price
- Local dimming zones improve contrast over basic LED TVs
- Wi-Fi 6 for fast, reliable streaming
- Lightweight at 29.5 lbs for easy installation
Cons
- 60Hz panel — no 120Hz or VRR for gaming
- SmartCast OS is sluggish and frustrating to navigate
- Only 3 HDMI ports, no HDMI 2.1
- 20W speakers are thin and lacking bass
- 600 nits is modest — HDR highlights don't fully shine
Full Specifications
| Spec | Sony X77L 55" | Vizio M7 Q-Series 55" |
|---|---|---|
| Body | ||
| VESA mount | 200 x 200mm | 200 x 200mm |
| Weight | 27.6 lbs | 29.5 lbs |
| Dimensions (w/ stand) | 48.5 x 30.9 x 10.6 inches | 48.3 x 30.2 x 9.6 inches |
| Dimensions | — | 48.3 x 28.0 x 3.2 inches |
| Audio | ||
| Output (watts) | 20 | 20 |
| Speakers | 2.0ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 15 | 12 |
| Display | ||
| HDR | HDR10, HLG | Dolby Vision, HDR10+, HDR10, HLG |
| Size | 55" | 55" |
| Type | LED | Quantum Color LED (VA LCD) |
| Resolution | 3840 x 2160 (4K UHD) | 3840 x 2160 (4K) |
| Refresh rate | 60Hz | 60Hz |
| Brightness (nits) | 400 | 600 |
| Smart TV | ||
| Os | Google TV | SmartCast (Chromecast built-in) |
| Voice assistant | Google Assistant, Alexa, Apple AirPlay 2 | Google Assistant, Alexa |
| 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 | 3 |
Related Comparisons
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 Vizio products. View full details for the Sony X77L 55" or the Vizio M7 Q-Series 55".