LG G4 77" vs Vizio M-Series 55"
The Verdict
LG's G4 77" represents the pinnacle of television technology with its OLED evo MLA display delivering exceptional contrast, 2100-nit peak brightness, and perfect 1ms input lag for gaming enthusiasts. Vizio's M-Series 55" offers remarkable value as a budget-friendly 4K alternative, employing Quantum LED technology with 800-nit brightness and solid 8ms gaming performance. Picture quality differences are substantial: the G4's self-emissive pixels produce infinite contrast ratios and superior color accuracy, while the Vizio provides decent HDR performance for the price point. Audio capabilities heavily favor LG with 4.2ch Dolby Atmos speakers versus Vizio's basic 2.0ch setup. Size matters significantly,the 77" G4 commands any living room, whereas the 55" Vizio suits smaller spaces. At $3,299 versus $449, the price-to-performance ratio fundamentally differs. For premium cinematic experiences and gaming, the G4 excels; for budget-conscious buyers seeking functional 4K entertainment, the M-Series delivers respectable performance. The LG G4 is the superior TV, but the Vizio M-Series remains an excellent value alternative for cost-sensitive consumers.
Who Should Buy
Buy the LG G4 77" if…
- →MLA panel pushes OLED brightness to 2,100+ nits — closes the gap with Mini-LED
- →α11 AI processor is LG's most powerful, with superior upscaling and AI enhancements
- →Gallery design meant to hang flush to the wall with no gap
Buy the Vizio M-Series 55" if…
- →120Hz with VRR and 4K@120Hz at under $450 is great for console gamers
- →Dolby Vision and HDR10+ dual support
- →Four HDMI 2.1 ports — enough for every console and streaming device
Category Scores
Pros & Cons
LG G4 77"
Pros
- MLA panel pushes OLED brightness to 2,100+ nits — closes the gap with Mini-LED
- α11 AI processor is LG's most powerful, with superior upscaling and AI enhancements
- Gallery design meant to hang flush to the wall with no gap
- 77-inch screen delivers an immersive cinematic experience at typical viewing distances
- Best overall OLED picture quality available in a consumer TV as of 2024
Cons
- At $3,299 it is a very significant investment compared to the C4
- Gallery design requires flush wall mounting — stand sold separately
- Still susceptible to OLED burn-in with prolonged static imagery
- 77 inches is too large for many rooms and viewing distances under 10 feet
Vizio M-Series 55"
Pros
- 120Hz with VRR and 4K@120Hz at under $450 is great for console gamers
- Dolby Vision and HDR10+ dual support
- Four HDMI 2.1 ports — enough for every console and streaming device
- Wi-Fi 6 and Chromecast built-in for fast streaming
- Quantum color delivers better color volume than basic LED
Cons
- SmartCast OS is slow and has fewer apps than Google TV
- 800-nit brightness is adequate but not impressive for HDR
- No local dimming zones — contrast is limited
- Vizio's long-term software support and update track record is inconsistent
Full Specifications
| Spec | LG G4 77" | Vizio M-Series 55" |
|---|---|---|
| Body | ||
| VESA mount | 400 x 200mm | 200 x 200mm |
| Weight | 73.4 lbs | 28.0 lbs |
| Dimensions (w/ stand) | 68.0 x 43.1 x 12.8 inches | 48.3 x 30.4 x 10.6 inches |
| Audio | ||
| Output (watts) | 60 | 20 |
| Speakers | 4.2ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 1 | 8 |
| Display | ||
| HDR | Dolby Vision IQ, HDR10, HLG, Filmmaker Mode | Dolby Vision, HDR10+, HLG |
| Size | 77" | 55" |
| Type | OLED evo MLA (Micro Lens Array) | Quantum LED |
| Resolution | 3840 x 2160 (4K UHD) | 3840 x 2160 (4K UHD) |
| Refresh rate | 120Hz | 120Hz (native) |
| Brightness (nits) | 2100 | 800 |
| Smart TV | ||
| Os | webOS 24 | SmartCast OS |
| Voice assistant | ThinQ AI, Alexa, Google Assistant | Google Assistant, Apple AirPlay 2, Chromecast |
| Processor | ||
| Chipset | α11 AI Processor 4K | IQ Active Processor |
| Connectivity | ||
| Wi-Fi | Wi-Fi 6 (802.11ax) | Wi-Fi 6 (802.11ax) |
| Ethernet | ||
| Bluetooth | 5.0 | 5.0 |
| USB ports | 3 | 1 |
| HDMI ports | 4 | 4 |
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 LG products or all Vizio products. View full details for the LG G4 77" or the Vizio M-Series 55".

