LG G4 77" vs Sony X77L 55"
LG's G4 77" represents the pinnacle of premium television technology with its OLED evo MLA display delivering exceptional contrast, perfect blacks, and 2100 nits peak brightness—ideal for bright rooms. Its α11 AI processor, 120Hz refresh rate, 1ms input lag, and 4.2ch 60W Dolby Atmos audio create an immersive cinematic experience. Sony's X77L 55" serves budget-conscious buyers seeking basic 4K functionality at a fraction of the price, featuring LED backlighting, adequate 400 nits brightness, and competent Google TV integration. However, its 60Hz limitation, 15ms input lag, and minimal audio system significantly restrict gaming performance and entertainment impact. While the G4 costs six times more, the technological gulf—OLED versus LED, superior HDR support, gaming optimization, and audio prowess—justifies the premium for serious enthusiasts. Sony excels in value and accessibility for casual viewers; LG dominates for those prioritizing picture quality and gaming. Choose the LG G4 if budget allows; choose the Sony for basic needs.
Full Specifications
| Spec | LG G4 77" | Sony X77L 55" |
|---|---|---|
| Body | ||
| VESA mount | 400 x 200mm | 200 x 200mm |
| Weight | 73.4 lbs | 27.6 lbs |
| Dimensions (w/ stand) | 68.0 x 43.1 x 12.8 inches | 48.5 x 30.9 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 | 15 |
| Display | ||
| HDR | Dolby Vision IQ, HDR10, HLG, Filmmaker Mode | HDR10, HLG |
| Size | 77" | 55" |
| Type | OLED evo MLA (Micro Lens Array) | LED |
| Resolution | 3840 x 2160 (4K UHD) | 3840 x 2160 (4K UHD) |
| Refresh rate | 120Hz | 60Hz |
| Brightness (nits) | 2100 | 400 |
| Smart TV | ||
| Os | webOS 24 | Google TV |
| Voice assistant | ThinQ AI, Alexa, Google Assistant | Google Assistant, Alexa, Apple AirPlay 2 |
| Processor | ||
| Chipset | α11 AI Processor 4K | X1 4K HDR Processor |
| Connectivity | ||
| Wi-Fi | Wi-Fi 6 (802.11ax) | Wi-Fi 5 (802.11ac) |
| Ethernet | ||
| Bluetooth | 5.0 | 5.0 |
| USB ports | 3 | 2 |
| HDMI ports | 4 | 4 |
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
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
Related Comparisons
Explore more in tvs, see all LG products or all Sony products. View full details for the LG G4 77" or the Sony X77L 55".