LG G4 77" vs Samsung CU8000 55"
The Verdict
LG's G4 77" represents premium OLED engineering with a 2100-nit OLED evo display, 120Hz refresh rate, and 1ms input lag making it exceptional for both cinema and competitive gaming. Samsung's CU8000 55" delivers practical 4K viewing at a fraction of the cost with adequate HDR10+ support and 12ms latency, suitable for casual consumption. Picture quality separation is substantial,the G4's micro lens array technology and Dolby Vision IQ processing vastly outperform the CU8000's edge-lit LED panel with 300 nits brightness. Audio capabilities heavily favor LG with 4.2ch Dolby Atmos versus basic 2.0ch stereo. Gaming features tip decisively toward LG with VRR, ALLM, and near-zero lag versus the CU8000's 60Hz ceiling. Size advantage goes to LG at 77 inches, though footprint and weight reflect this. Budget-conscious buyers accepting compromises on picture fidelity, gaming responsiveness, and audio will find acceptable value in Samsung; serious AV enthusiasts and gamers should prioritize the LG despite its premium price positioning.
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 Samsung CU8000 55" if…
- →Very affordable entry into Samsung's 4K smart TV lineup
- →HDR10+ support improves contrast in compatible content
- →Tizen OS is a mature, full-featured smart TV platform
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
Samsung CU8000 55"
Pros
- Very affordable entry into Samsung's 4K smart TV lineup
- HDR10+ support improves contrast in compatible content
- Tizen OS is a mature, full-featured smart TV platform
- Lightweight and easy to wall-mount at 27 lbs
- Crystal Processor 4K provides decent upscaling from 1080p
Cons
- 60Hz panel — no 120Hz for smooth gaming or sports
- Low peak brightness limits HDR impact
- No VRR or HDMI 2.1 — poor for next-gen consoles
- 20W speakers sound thin — a soundbar is essential
Full Specifications
| Spec | LG G4 77" | Samsung CU8000 55" |
|---|---|---|
| Body | ||
| VESA mount | 400 x 200mm | 200 x 200mm |
| Weight | 73.4 lbs | 27.1 lbs |
| Dimensions (w/ stand) | 68.0 x 43.1 x 12.8 inches | 48.8 x 30.8 x 8.8 inches |
| Audio | ||
| Output (watts) | 60 | 20 |
| Speakers | 4.2ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 1 | 12 |
| Display | ||
| HDR | Dolby Vision IQ, HDR10, HLG, Filmmaker Mode | HDR10+, HLG |
| Size | 77" | 55" |
| Type | OLED evo MLA (Micro Lens Array) | Crystal UHD LED |
| Resolution | 3840 x 2160 (4K UHD) | 3840 x 2160 (4K UHD) |
| Refresh rate | 120Hz | 60Hz |
| Brightness (nits) | 2100 | 300 |
| Smart TV | ||
| Os | webOS 24 | Tizen OS |
| Voice assistant | ThinQ AI, Alexa, Google Assistant | Bixby, Alexa |
| Processor | ||
| Chipset | α11 AI Processor 4K | Crystal Processor 4K |
| Connectivity | ||
| Wi-Fi | Wi-Fi 6 (802.11ax) | Wi-Fi 5 (802.11ac) |
| Ethernet | ||
| Bluetooth | 5.0 | 5.2 |
| USB ports | 3 | 1 |
| 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.
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