Hisense U8K 65" (Mini-LED ULED) vs LG B4 55"
The Verdict
Hisense U8K delivers impressive value with its 65-inch Mini-LED panel, 2000 nits peak brightness, and 144Hz refresh rate for gaming,ideal for bright rooms and competitive players. LG B4 counters with OLED's superior contrast and perfect blacks at 55 inches, featuring superior input lag (1ms vs 6ms), webOS's refined interface, and Filmmaker Mode for content creators. Brightness advantage goes to Hisense (2000 vs 1100 nits), while LG excels in motion handling and picture quality nuance. Price-per-inch favors the Hisense at $16.91/inch versus LG's $21.80/inch. Choose Hisense for sports/gaming in bright spaces with maximum screen real estate, or select LG if you prioritize cinematic picture quality and gaming responsiveness in controlled lighting conditions.
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 LG B4 55" if…
- →Lowest-cost entry into LG's OLED lineup with the same perfect blacks
- →All four HDMI ports with VRR and ALLM at 4K@120Hz for gaming
- →Dolby Vision and Dolby Atmos at an entry OLED price
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
LG B4 55"
Pros
- Lowest-cost entry into LG's OLED lineup with the same perfect blacks
- All four HDMI ports with VRR and ALLM at 4K@120Hz for gaming
- Dolby Vision and Dolby Atmos at an entry OLED price
- webOS 24 is one of the best smart TV interfaces available
Cons
- Only two HDMI 2.1 ports — the other two are HDMI 2.0 (limited to 4K@60Hz)
- α8 processor is noticeably weaker than the C4's α9 for upscaling and processing
- Lower peak brightness than the C4 or G4 — HDR highlights lack some punch
- No Wi-Fi 6, which limits wireless bandwidth in crowded network environments
- OLED burn-in risk remains a concern for heavy static-content users
Full Specifications
| Spec | Hisense U8K 65" (Mini-LED ULED) | LG B4 55" |
|---|---|---|
| Body | ||
| VESA mount | 300 x 300mm | 200 x 200mm |
| Weight | 46.3 lbs | 41.9 lbs |
| Dimensions | 57.0 x 33.0 x 2.7 inches | — |
| Dimensions (w/ stand) | 57.0 x 35.5 x 11.4 inches | 48.4 x 32.1 x 10.5 inches |
| Audio | ||
| Output (watts) | 40 | 40 |
| Speakers | 2.1ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 6 | 1 |
| Display | ||
| HDR | Dolby Vision, HDR10+, HDR10, HLG | Dolby Vision IQ, HDR10, HLG, Filmmaker Mode |
| Size | 65" | 55" |
| Type | Mini-LED QLED (VA LCD) | OLED |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K UHD) |
| Refresh rate | 144Hz | 120Hz |
| Brightness (nits) | 2000 | 1100 |
| Smart TV | ||
| Os | Google TV | webOS 24 |
| Voice assistant | Google Assistant, Alexa | ThinQ AI, Alexa, Google Assistant |
| Connectivity | ||
| Wi-Fi | Wi-Fi 6E | Wi-Fi 5 (802.11ac) |
| Ethernet | ||
| Bluetooth | 5.2 | 5.0 |
| USB ports | 2 | 3 |
| HDMI ports | 4 | 4 |
| Processor | ||
| Chipset | — | α8 Gen 7 AI Processor 4K |
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 LG products. View full details for the Hisense U8K 65" (Mini-LED ULED) or the LG B4 55".
