Hisense U8K 65" (Mini-LED ULED) vs Samsung S90C 55" (4K OLED)
The Verdict
Hisense U8K delivers exceptional value with its massive 65-inch Mini-LED display, 2000 nits peak brightness, and 144Hz refresh rate,ideal for both movies and gaming. Samsung S90C offers superior OLED picture quality with perfect blacks, infinite contrast, and QD-OLED technology, though it's 10 inches smaller and $500 more expensive. Brightness advantage goes to Hisense (2000 vs 1300 nits), while Samsung excels in color accuracy and contrast. Gaming features are nearly identical (6ms input lag, VRR, ALLM), though Samsung adds native 144Hz support. Audio specs match at 40W 2.1ch Dolby Atmos. For size-conscious buyers wanting premium OLED picture, Samsung S90C is the choice. Those prioritizing screen real estate, gaming brightness, and value should select the Hisense U8K.
Who Should Buy
Buy the Hisense U8K 65" (Mini-LED ULED) if…
- →2000 nits with Mini-LED at $1,099 is the best brightness value on the market
- →144Hz with VRR — ideal for PC gaming and next-gen consoles
- →Both Dolby Vision AND HDR10+ — supports every HDR format
Buy the Samsung S90C 55" (4K OLED) if…
- →QD-OLED at $1,599 is the most affordable OLED with quantum dot color
- →Infinite contrast ratio with perfect black levels
- →144Hz with VRR — excellent for PS5 and Xbox Series X gaming
Category Scores
Pros & Cons
Hisense U8K 65" (Mini-LED ULED)
Pros
- 2000 nits with Mini-LED at $1,099 is the best brightness value on the market
- 144Hz with VRR — ideal for PC gaming and next-gen consoles
- Both Dolby Vision AND HDR10+ — supports every HDR format
- Wi-Fi 6E and 4 HDMI 2.1 ports for modern connectivity
- Quantum dot color with over 1000 dimming zones for excellent contrast
Cons
- Hisense software updates and smart TV experience trail Samsung/LG
- Some blooming visible with Mini-LED despite high zone count
- Brand perception is still below premium competitors
- Remote control quality feels cheap compared to the TV's price
Samsung S90C 55" (4K OLED)
Pros
- QD-OLED at $1,599 is the most affordable OLED with quantum dot color
- Infinite contrast ratio with perfect black levels
- 144Hz with VRR — excellent for PS5 and Xbox Series X gaming
- Vivid, wide color gamut coverage exceeds traditional WOLED
- Ultra-slim panel at 0.4 inches looks stunning mounted
Cons
- 55-inch S90C uses a different (WOLED) panel in some regions — verify before buying
- No Dolby Vision support
- 40W audio is weaker than the S95C — soundbar recommended
- Wi-Fi 5 only on the 55-inch model
Full Specifications
| Spec | Hisense U8K 65" (Mini-LED ULED) | Samsung S90C 55" (4K OLED) |
|---|---|---|
| Body | ||
| VESA mount | 300 x 300mm | 300 x 300mm |
| Weight | 46.3 lbs | 33.5 lbs |
| Dimensions | 57.0 x 33.0 x 2.7 inches | 48.2 x 27.7 x 0.4 inches |
| Dimensions (w/ stand) | 57.0 x 35.5 x 11.4 inches | 48.2 x 30.2 x 9.3 inches |
| Audio | ||
| Output (watts) | 40 | 40 |
| Speakers | 2.1ch | 2.1ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 6 | 6 |
| Display | ||
| HDR | Dolby Vision, HDR10+, HDR10, HLG | Quantum HDR OLED, HDR10+, HLG |
| Size | 65" | 55" |
| Type | Mini-LED QLED (VA LCD) | QD-OLED |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K) |
| Refresh rate | 144Hz | 120Hz (144Hz via Game Mode) |
| Brightness (nits) | 2000 | 1300 |
| Smart TV | ||
| Os | Google TV | Tizen OS |
| Voice assistant | Google Assistant, Alexa | Bixby, Alexa, Google Assistant |
| Connectivity | ||
| Wi-Fi | Wi-Fi 6E | Wi-Fi 5 |
| Ethernet | ||
| Bluetooth | 5.2 | 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 Hisense products or all Samsung products. View full details for the Hisense U8K 65" (Mini-LED ULED) or the Samsung S90C 55" (4K OLED).