LG UR8000 55" (UHD) vs Samsung QN90D 65"
The Verdict
These TVs serve entirely different markets and budgets. The LG UR8000 is a solid budget-friendly 55-inch 4K option with a basic IPS LCD panel delivering 300 nits brightness and standard HDR10 support. It handles everyday viewing adequately with a 60Hz refresh rate and 15ms input lag, though gamers will notice the lack of VRR and ALLM. Audio output maxes out at 20 watts through 2.0 channels, suitable for casual watching but thin for movies. The Samsung QN90D represents a premium 65-inch experience with Neo QLED Mini-LED technology producing 4000 nits brightness, enabling exceptional contrast and HDR performance. Its 120Hz native refresh rate, 5ms input lag, VRR and ALLM support make it gaming-focused. The 60-watt 4.2.2 Object Tracking Sound system delivers immersive audio that the LG cannot match. At 4.5x the price, Samsung justifies the cost through superior picture quality, gaming features, and larger screen. The LG excels as a bedroom or secondary TV for basic streaming. For primary viewing, especially gaming or movie enthusiasm, Samsung's engineering dominance is clear. Budget-conscious buyers get adequate performance from LG; serious enthusiasts need the QN90D's capabilities.
Who Should Buy
Buy the LG UR8000 55" (UHD) if…
- →Affordable 55-inch 4K at $399 for budget-conscious buyers
- →webOS 23 smart TV platform with all major streaming apps
- →IPS panel offers wide viewing angles for family rooms
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 UR8000 55" (UHD)
Pros
- Affordable 55-inch 4K at $399 for budget-conscious buyers
- webOS 23 smart TV platform with all major streaming apps
- IPS panel offers wide viewing angles for family rooms
- LG ThinQ AI and Alexa voice control built in
- Lightweight at 27.1 lbs — straightforward wall mount installation
Cons
- IPS LCD has poor contrast — blacks appear grey in dark rooms
- 300 nits brightness is very dim — HDR is essentially non-functional
- 60Hz with no VRR — not suitable for gaming
- 20W audio is tinny — external speakers needed
- No Dolby Vision, Dolby Atmos, or HDMI 2.1
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 UR8000 55" (UHD) | Samsung QN90D 65" |
|---|---|---|
| Body | ||
| VESA mount | 300 x 300mm | 400 x 400mm |
| Weight | 27.1 lbs | 71.9 lbs |
| Dimensions | 48.7 x 28.3 x 3.4 inches | — |
| Dimensions (w/ stand) | 48.7 x 30.4 x 8.4 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) | 15 | 5 |
| Display | ||
| HDR | HDR10, HLG | Quantum HDR+, HDR10+, HLG |
| Size | 55" | 65" |
| Type | IPS LCD | Neo QLED Mini-LED |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K UHD) |
| Refresh rate | 60Hz | 120Hz (4K@120Hz native) |
| Brightness (nits) | 300 | 4000 |
| Smart TV | ||
| Os | webOS 23 | Tizen OS |
| Voice assistant | LG ThinQ AI, Alexa | Bixby, Alexa, Google Assistant |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 (802.11ac) |
| Ethernet | ||
| Bluetooth | 5.0 | 5.2 |
| USB ports | 1 | 2 |
| HDMI ports | 3 | 4 |
| Processor | ||
| Chipset | — | Neural Quantum Processor 4K |
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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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