LG QNED80 55" vs Samsung CU7000 50"
The Verdict
LG's QNED80 and Samsung's CU7000 target different market segments with distinct trade-offs. Picture quality heavily favors the LG, featuring QNED technology with 700 nits brightness versus Samsung's 250 nits, native 120Hz refresh rate for gaming, and superior Dolby Vision support. Gaming performance shows the LG's advantage with VRR capability and 10ms input lag compared to the Samsung's 14ms. Samsung compensates with aggressive pricing at $279 versus $699, making it appealing for budget-conscious buyers who prioritize basic 4K viewing. Both offer identical 20W audio and WiFi 5 connectivity. At 55 inches versus 50 inches, the LG provides modest size advantage. For serious gamers and those demanding premium picture quality, the LG QNED80 justifies its premium cost. Casual viewers prioritizing value should consider the Samsung CU7000.
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 Samsung CU7000 50" if…
- →Under $280 for a 50-inch Samsung 4K TV is exceptional value
- →Tizen smart TV platform with all major streaming apps
- →HDR10+ support at this price point is uncommon
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
Samsung CU7000 50"
Pros
- Under $280 for a 50-inch Samsung 4K TV is exceptional value
- Tizen smart TV platform with all major streaming apps
- HDR10+ support at this price point is uncommon
- Light enough to mount with a basic bracket
- Simple setup with Samsung's guided setup wizard
Cons
- Very low brightness limits HDR performance significantly
- 60Hz panel — not suitable for gaming or fast-moving sports
- No VRR or HDMI 2.1 features
- Mediocre viewing angles — color shifts off-center
Full Specifications
| Spec | LG QNED80 55" | Samsung CU7000 50" |
|---|---|---|
| Body | ||
| VESA mount | 300 x 300mm | 200 x 200mm |
| Weight | 28.4 lbs | 22.9 lbs |
| Dimensions (w/ stand) | 48.5 x 30.7 x 9.3 inches | 44.3 x 28.1 x 8.2 inches |
| Audio | ||
| Output (watts) | 20 | 20 |
| Speakers | 2.0ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 10 | 14 |
| Display | ||
| HDR | HDR10, HLG, Dolby Vision | HDR10+, HLG |
| Size | 55" | 50" |
| Type | QNED (Quantum Dot NanoCell) | Crystal UHD LED |
| Resolution | 3840 x 2160 (4K UHD) | 3840 x 2160 (4K UHD) |
| Refresh rate | 120Hz (native) | 60Hz |
| Brightness (nits) | 700 | 250 |
| Smart TV | ||
| Os | webOS 24 | Tizen OS |
| Voice assistant | ThinQ AI, Alexa, Google Assistant | Bixby, Alexa |
| Processor | ||
| Chipset | α8 AI Processor 4K | Crystal Processor 4K |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 (802.11ac) | Wi-Fi 5 (802.11ac) |
| Ethernet | ||
| Bluetooth | 5.1 | 5.2 |
| USB ports | 2 | 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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