LG UT70 50" vs Samsung QN90D 65"
The Verdict
LG UT70 and Samsung QN90D serve entirely different market segments. Budget-conscious buyers get a competent entry-level 4K TV with the LG: adequate 300-nit brightness, basic HDR support, and webOS 24's solid streaming interface at $329. Samsung's QN90D operates in premium territory,its 65-inch Mini-LED panel delivers stunning 4000-nit peak brightness, advanced Quantum HDR processing, and exceptional gaming credentials (120Hz native, 5ms input lag, VRR). Audio capability spans from LG's modest 20W stereo to Samsung's immersive 60W 4.2.2ch object tracking system. For casual viewing and budget constraints, LG UT70 represents excellent value. Serious gamers, movie enthusiasts, and those seeking flagship performance must invest in Samsung QN90D, despite its $1470 premium. These aren't competitors,they're products for different buyers entirely.
Who Should Buy
Buy the LG UT70 50" if…
- →webOS 24 smart TV platform at budget pricing — best-in-class software for the price
- →AI-assisted upscaling from the α5 processor improves SD/HD content
- →Magic Remote with point-and-click navigation included
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 UT70 50"
Pros
- webOS 24 smart TV platform at budget pricing — best-in-class software for the price
- AI-assisted upscaling from the α5 processor improves SD/HD content
- Magic Remote with point-and-click navigation included
- Lightweight and easy to mount at 21 lbs
- Supports Alexa, Google Assistant, and Apple AirPlay 2
Cons
- 60Hz panel — no 120Hz or VRR for gaming
- Low brightness limits HDR impact
- No Dolby Vision — only basic HDR10
- Narrow viewing angles typical of budget VA panels
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 UT70 50" | Samsung QN90D 65" |
|---|---|---|
| Body | ||
| VESA mount | 200 x 200mm | 400 x 400mm |
| Weight | 21.2 lbs | 71.9 lbs |
| Dimensions (w/ stand) | 44.1 x 28.2 x 8.3 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) | 14 | 5 |
| Display | ||
| HDR | HDR10, HLG | Quantum HDR+, HDR10+, HLG |
| Size | 50" | 65" |
| Type | LED | Neo QLED Mini-LED |
| Resolution | 3840 x 2160 (4K UHD) | 3840 x 2160 (4K UHD) |
| Refresh rate | 60Hz | 120Hz (4K@120Hz native) |
| Brightness (nits) | 300 | 4000 |
| Smart TV | ||
| Os | webOS 24 | Tizen OS |
| Voice assistant | ThinQ AI, Alexa, Google Assistant | Bixby, Alexa, Google Assistant |
| Processor | ||
| Chipset | α5 AI Processor 4K Gen 7 | Neural Quantum Processor 4K |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 (802.11ac) | Wi-Fi 5 (802.11ac) |
| Ethernet | ||
| Bluetooth | 5.0 | 5.2 |
| USB ports | 1 | 2 |
| HDMI ports | 3 | 4 |
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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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