LG UT70 50" vs Samsung QN90C 65" (4K Neo QLED)
The Verdict
These TVs serve entirely different market segments. The LG UT70 is a budget 50-inch LED display offering basic 4K at 60Hz with modest 300-nit brightness and 20-watt stereo audio. It handles everyday streaming competently through webOS 24 with acceptable 14ms input lag for casual gaming. The Samsung QN90C is a premium 65-inch Neo QLED flagship with mini-LED backlighting, delivering 2000 nits of peak brightness, 120Hz refresh rate (144Hz capable), and Quantum HDR 32x for dramatically superior contrast and color depth. Samsung's 6ms input lag with full VRR support makes it a genuine gaming TV, while its 60-watt Dolby Atmos audio with object tracking sound vastly outclasses LG's basic 2.0 speakers. At $329, the LG provides bare-bones 4K viewing for budget-conscious buyers willing to accept 60Hz limitations and dim brightness. At $1799, the Samsung delivers theater-grade picture quality, gaming-grade responsiveness, and immersive spatial audio for enthusiasts. Choose the LG only if screen size matters more than picture quality and you watch mainly streaming content in well-lit rooms. The Samsung is worth its premium for dark room viewing, gaming, and those valuing premium AV performance.
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 QN90C 65" (4K Neo QLED) if…
- →Excellent value for a Mini-LED flagship at $1,799
- →2000 nits peak brightness is outstanding for HDR in bright rooms
- →4x HDMI 2.1 with 4K@120Hz and VRR for next-gen gaming
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 QN90C 65" (4K Neo QLED)
Pros
- Excellent value for a Mini-LED flagship at $1,799
- 2000 nits peak brightness is outstanding for HDR in bright rooms
- 4x HDMI 2.1 with 4K@120Hz and VRR for next-gen gaming
- Slim anti-reflection screen works well in rooms with windows
- Object Tracking Sound moves audio to match on-screen action
Cons
- No Dolby Vision support
- Some blooming visible in very dark scenes with small bright highlights
- Viewing angles are narrower than OLED — best for straight-on viewing
- Tizen ads on the home screen detract from the premium experience
Full Specifications
| Spec | LG UT70 50" | Samsung QN90C 65" (4K Neo QLED) |
|---|---|---|
| Body | ||
| VESA mount | 200 x 200mm | 300 x 300mm |
| Weight | 21.2 lbs | 53.0 lbs |
| Dimensions (w/ stand) | 44.1 x 28.2 x 8.3 inches | 57.0 x 35.3 x 11.4 inches |
| Dimensions | — | 57.0 x 32.7 x 1.0 inches |
| Audio | ||
| Output (watts) | 20 | 60 |
| Speakers | 2.0ch | 2.2.2ch Object Tracking Sound+ |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 14 | 6 |
| Display | ||
| HDR | HDR10, HLG | Quantum HDR 32x, HDR10+, HLG |
| Size | 50" | 65" |
| Type | LED | Neo QLED Mini-LED |
| Resolution | 3840 x 2160 (4K UHD) | 3840 x 2160 (4K) |
| Refresh rate | 60Hz | 120Hz (144Hz via firmware update) |
| Brightness (nits) | 300 | 2000 |
| 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 | — |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 (802.11ac) | Wi-Fi 6E |
| 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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