LG G4 77" vs LG OLED A2 55"
The Verdict
LG's G4 77" represents the pinnacle of OLED television technology, featuring the revolutionary Micro Lens Array display with exceptional 2100-nit brightness, 120Hz refresh rate, and 1ms input lag that elevates both cinematic and gaming experiences. Its 60W speaker system delivers true Dolby Atmos immersion, while the α11 AI Processor 4K and webOS 24 ensure cutting-edge performance. Conversely, the A2 55" delivers genuine OLED picture quality at a fraction of the price, though its 500-nit brightness, 60Hz refresh rate, and 14ms input lag reveal its entry-level positioning. The A2's 20W stereo speakers and older webOS 22 platform show tangible compromises. For serious enthusiasts seeking premium gaming, sports, and home theater, the G4's substantially superior specs justify its $2400 premium. Budget-conscious buyers seeking authentic OLED technology at accessible pricing should consider the A2, accepting its gaming and motion limitations. The G4 is the clear victor for those prioritizing performance.
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 LG OLED A2 55" if…
- →Budget OLED — perfect blacks and infinite contrast at $899
- →Dolby Vision and Dolby Atmos for immersive movie watching
- →Wide viewing angles inherent to OLED technology
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
LG OLED A2 55"
Pros
- Budget OLED — perfect blacks and infinite contrast at $899
- Dolby Vision and Dolby Atmos for immersive movie watching
- Wide viewing angles inherent to OLED technology
- Thin and lightweight for easy wall mounting
- Self-lit pixels produce gorgeous picture quality for the price
Cons
- 60Hz panel — no 120Hz, VRR, or HDMI 2.1 for gaming
- Only 500 nits peak brightness — dim in well-lit rooms
- 20W speakers require a soundbar for decent audio
- Only 3 HDMI ports, all HDMI 2.0
- Older α7 Gen5 processor with basic upscaling
Full Specifications
| Spec | LG G4 77" | LG OLED A2 55" |
|---|---|---|
| Body | ||
| VESA mount | 400 x 200mm | 300 x 200mm |
| Weight | 73.4 lbs | 29.1 lbs |
| Dimensions (w/ stand) | 68.0 x 43.1 x 12.8 inches | 48.4 x 30.0 x 9.4 inches |
| Dimensions | — | 48.4 x 28.0 x 1.8 inches |
| Audio | ||
| Output (watts) | 60 | 20 |
| Speakers | 4.2ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 1 | 14 |
| Display | ||
| HDR | Dolby Vision IQ, HDR10, HLG, Filmmaker Mode | Dolby Vision, HDR10, HLG |
| Size | 77" | 55" |
| Type | OLED evo MLA (Micro Lens Array) | OLED (WOLED) |
| Resolution | 3840 x 2160 (4K UHD) | 3840 x 2160 (4K) |
| Refresh rate | 120Hz | 60Hz |
| Brightness (nits) | 2100 | 500 |
| Smart TV | ||
| Os | webOS 24 | webOS 22 |
| Voice assistant | ThinQ AI, Alexa, Google Assistant | LG ThinQ AI, Alexa, Google Assistant |
| Processor | ||
| Chipset | α11 AI Processor 4K | — |
| Connectivity | ||
| Wi-Fi | Wi-Fi 6 (802.11ax) | Wi-Fi 5 |
| Ethernet | ||
| Bluetooth | 5.0 | 5.0 |
| USB ports | 3 | 2 |
| 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 LG products or all LG products. View full details for the LG G4 77" or the LG OLED A2 55".