LG QNED80 55" vs Sony X77L 55"
The Verdict
LG's QNED80 delivers superior picture quality with its Quantum Dot NanoCell panel, achieving 700 nits brightness versus Sony's 400 nits, making it noticeably brighter and more vibrant for HDR content. Native 120Hz refresh rate with VRR support gives the LG a competitive gaming advantage, posting 10ms input lag compared to Sony's 15ms. Sony's X77L counters with $150 lower pricing and competitive smart TV features via Google TV. Both offer identical speaker configurations (20W, 2.0ch) and standard connectivity. For gaming enthusiasts and those prioritizing picture quality, the LG justifies its premium with QNED technology, higher brightness, and superior motion handling. However, budget-conscious buyers accepting 60Hz limitations and standard brightness will find excellent value in Sony's capable LED panel. Recommend LG QNED80 for premium performance; Sony X77L for value seekers.
Who Should Buy
Buy the LG QNED80 55" if…
- →120Hz native panel with VRR at a mid-range price
- →Dolby Vision support for superior HDR compared to HDR10+ only TVs
- →webOS 24 is one of the best smart TV platforms available
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
Category Scores
Pros & Cons
LG QNED80 55"
Pros
- 120Hz native panel with VRR at a mid-range price
- Dolby Vision support for superior HDR compared to HDR10+ only TVs
- webOS 24 is one of the best smart TV platforms available
- Four HDMI ports with ALLM for multi-device setups
- Quantum Dot + NanoCell technology improves color accuracy
Cons
- Not OLED — contrast and black levels are significantly behind
- 700-nit brightness is modest for HDR highlights
- 20W speakers are underwhelming — needs a soundbar
- Edge-lit LED can show uneven backlighting in dark scenes
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
Full Specifications
| Spec | LG QNED80 55" | Sony X77L 55" |
|---|---|---|
| Body | ||
| VESA mount | 300 x 300mm | 200 x 200mm |
| Weight | 28.4 lbs | 27.6 lbs |
| Dimensions (w/ stand) | 48.5 x 30.7 x 9.3 inches | 48.5 x 30.9 x 10.6 inches |
| Audio | ||
| Output (watts) | 20 | 20 |
| Speakers | 2.0ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 10 | 15 |
| Display | ||
| HDR | HDR10, HLG, Dolby Vision | HDR10, HLG |
| Size | 55" | 55" |
| Type | QNED (Quantum Dot NanoCell) | LED |
| Resolution | 3840 x 2160 (4K UHD) | 3840 x 2160 (4K UHD) |
| Refresh rate | 120Hz (native) | 60Hz |
| Brightness (nits) | 700 | 400 |
| Smart TV | ||
| Os | webOS 24 | Google TV |
| Voice assistant | ThinQ AI, Alexa, Google Assistant | Google Assistant, Alexa, Apple AirPlay 2 |
| Processor | ||
| Chipset | α8 AI Processor 4K | X1 4K HDR Processor |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 (802.11ac) | Wi-Fi 5 (802.11ac) |
| Ethernet | ||
| Bluetooth | 5.1 | 5.0 |
| USB ports | 2 | 2 |
| 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 Sony products. View full details for the LG QNED80 55" or the Sony X77L 55".
