LG QNED80 55" vs Samsung QN90D 65"
The Verdict
LG's QNED80 delivers solid mid-range 4K performance at an attractive $699 price point, featuring quantum dot technology, 700-nit brightness, and responsive 10ms gaming input lag. Samsung's QN90D 65" commands premium positioning with dramatically superior specs: 4000-nit peak brightness via mini-LED backlighting, 5ms input lag, 60W audio with object tracking sound versus LG's modest 20W 2.0ch setup, and a larger 65" display. Picture quality differences are substantial,the QN90D's superior contrast, local dimming zones, and brightness make it the clear winner for demanding viewers and gaming enthusiasts. However, the LG QNED80 represents exceptional value for budget-conscious buyers seeking entry-level premium TV features without the premium price. For most consumers, Samsung's technical superiority justifies the investment, though LG offers a practical alternative if budget is primary concern.
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 QN90D 65" if…
- →Excellent Mini-LED backlighting with over 2,000 dimming zones for deep contrast
- →All four HDMI ports support 4K@120Hz — ideal for multi-console gaming setups
- →Up to 4,000 nits peak brightness handles even the brightest HDR highlights
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 QN90D 65"
Pros
- Excellent Mini-LED backlighting with over 2,000 dimming zones for deep contrast
- All four HDMI ports support 4K@120Hz — ideal for multi-console gaming setups
- Up to 4,000 nits peak brightness handles even the brightest HDR highlights
- Anti-reflection coating dramatically cuts glare in bright living rooms
- Neural Quantum Processor 4K delivers sharp, accurate upscaling from lower-resolution content
Cons
- Mini-LED blooming can still appear around bright objects on dark backgrounds
- No Dolby Atmos pass-through from the TV's built-in speakers
- Tizen OS interface can feel cluttered with sponsored content and ads
- At $1,799 it is significantly pricier than competing Mini-LED options
Full Specifications
| Spec | LG QNED80 55" | Samsung QN90D 65" |
|---|---|---|
| Body | ||
| VESA mount | 300 x 300mm | 400 x 400mm |
| Weight | 28.4 lbs | 71.9 lbs |
| Dimensions (w/ stand) | 48.5 x 30.7 x 9.3 inches | 57.1 x 36.6 x 13.4 inches |
| Audio | ||
| Output (watts) | 20 | 60 |
| Speakers | 2.0ch | 4.2.2ch Object Tracking Sound+ |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 10 | 5 |
| Display | ||
| HDR | HDR10, HLG, Dolby Vision | Quantum HDR+, HDR10+, HLG |
| Size | 55" | 65" |
| Type | QNED (Quantum Dot NanoCell) | Neo QLED Mini-LED |
| Resolution | 3840 x 2160 (4K UHD) | 3840 x 2160 (4K UHD) |
| Refresh rate | 120Hz (native) | 120Hz (4K@120Hz native) |
| Brightness (nits) | 700 | 4000 |
| Smart TV | ||
| Os | webOS 24 | Tizen OS |
| Voice assistant | ThinQ AI, Alexa, Google Assistant | Bixby, Alexa, Google Assistant |
| Processor | ||
| Chipset | α8 AI Processor 4K | Neural Quantum Processor 4K |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 (802.11ac) | Wi-Fi 5 (802.11ac) |
| Ethernet | ||
| Bluetooth | 5.1 | 5.2 |
| 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 Samsung products. View full details for the LG QNED80 55" or the Samsung QN90D 65".

