LG G4 77" vs Sony X80K 55" (LED)
The Verdict
LG's G4 77" represents the pinnacle of premium OLED technology, delivering exceptional picture quality with 2100 nits peak brightness, Micro Lens Array technology, and Dolby Vision IQ support across a massive screen. Its 1ms gaming input lag, 120Hz refresh rate with VRR, and robust 60W audio system make it ideal for both cinephiles and competitive gamers. Sony's X80K 55" LED model serves budget-conscious buyers seeking basic 4K HDR at a fraction of the price, though its 500 nits brightness, 16ms input lag, and 60Hz-only refresh rate limit its appeal for demanding applications. The X80K's direct-LED backlight and Google TV integration provide solid everyday performance, but cannot match the G4's OLED contrast, color accuracy, or gaming responsiveness. Spend the extra for LG G4 if display quality and gaming matter; choose Sony X80K only if screen size under 55" and budget constraints are paramount.
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 Sony X80K 55" (LED) if…
- →Sony's X1 processor delivers noticeably better image processing than budget competitors
- →Dolby Vision and Dolby Atmos provide a premium HDR experience
- →Google TV with Chromecast built-in handles streaming beautifully
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 X80K 55" (LED)
Pros
- Sony's X1 processor delivers noticeably better image processing than budget competitors
- Dolby Vision and Dolby Atmos provide a premium HDR experience
- Google TV with Chromecast built-in handles streaming beautifully
- Triluminos Pro color engine produces natural, accurate colors
- Four HDMI ports for connecting multiple devices
Cons
- 60Hz panel with no VRR — not for gaming
- 500 nits brightness limits HDR impact
- Edge-lit LED without local dimming has poor contrast
- 20W audio is thin and tinny
- Bluetooth 4.2 limits wireless audio options
Full Specifications
| Spec | LG G4 77" | Sony X80K 55" (LED) |
|---|---|---|
| Body | ||
| VESA mount | 400 x 200mm | 300 x 300mm |
| Weight | 73.4 lbs | 29.1 lbs |
| Dimensions (w/ stand) | 68.0 x 43.1 x 12.8 inches | 48.7 x 30.5 x 9.4 inches |
| Dimensions | — | 48.7 x 28.3 x 3.0 inches |
| Audio | ||
| Output (watts) | 60 | 20 |
| Speakers | 4.2ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 1 | 16 |
| Display | ||
| HDR | Dolby Vision IQ, HDR10, HLG, Filmmaker Mode | Dolby Vision, HDR10, HLG |
| Size | 77" | 55" |
| Type | OLED evo MLA (Micro Lens Array) | Direct LED (IPS / VA varies by size) |
| Resolution | 3840 x 2160 (4K UHD) | 3840 x 2160 (4K) |
| Refresh rate | 120Hz | 60Hz |
| Brightness (nits) | 2100 | 500 |
| Smart TV | ||
| Os | webOS 24 | Google TV |
| Voice assistant | ThinQ AI, Alexa, Google Assistant | Google Assistant, Alexa |
| Processor | ||
| Chipset | α11 AI Processor 4K | — |
| Connectivity | ||
| Wi-Fi | Wi-Fi 6 (802.11ax) | Wi-Fi 5 |
| Ethernet | ||
| Bluetooth | 5.0 | 4.2 |
| USB ports | 3 | 2 |
| 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.
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