Hisense A6K 55" (UHD LED) vs LG OLED B3 65"
The Verdict
Hisense A6K delivers exceptional budget appeal with a 55-inch 4K display, direct LED backlighting, and Dolby Vision support at an aggressive $329 price point. LG OLED B3 commands premium positioning with a larger 65-inch OLED panel offering superior contrast, 120Hz refresh rate, VRR/ALLM gaming features, and 600 nits peak brightness versus Hisense's 350 nits. Gaming performance heavily favors LG with 7ms input lag and variable refresh rate support compared to Hisense's 14ms lag and no VRR. Audio is comparable (16W vs 20W), though LG adds Dolby Atmos. OLED technology guarantees infinite contrast and perfect blacks impossible with VA LED. For budget-conscious buyers seeking baseline 4K entertainment, Hisense A6K offers tremendous value. Enthusiasts prioritizing gaming, contrast quality, and premium features should invest in LG OLED B3's demonstrably superior panel technology and processing capabilities. Size preference matters,55 inches versus 65 inches substantially affects viewing experience.
Who Should Buy
Buy the Hisense A6K 55" (UHD LED) if…
- →55-inch 4K at $329 is one of the cheapest large-screen TVs available
- →Dolby Vision and HDR10+ support at a budget price is impressive
- →VA panel provides decent contrast for the price
Buy the LG OLED B3 65" if…
- →Most affordable 65-inch LG OLED at $1,299 — great entry into OLED
- →Perfect blacks and infinite contrast inherent to OLED technology
- →Dolby Vision and Dolby Atmos for cinema-quality HDR experience
Category Scores
Pros & Cons
Hisense A6K 55" (UHD LED)
Pros
- 55-inch 4K at $329 is one of the cheapest large-screen TVs available
- Dolby Vision and HDR10+ support at a budget price is impressive
- VA panel provides decent contrast for the price
- Lightweight at 25.4 lbs — easy to handle and wall-mount
- Alexa built-in for voice control without an external device
Cons
- 60Hz panel with no VRR — not suited for gaming
- 350 nits is very dim — HDR is essentially non-functional
- VIDAA OS has a limited app selection compared to Google TV
- 16W audio is weak and tinny — external speakers are mandatory
- No HDMI 2.1 or Dolby Atmos
LG OLED B3 65"
Pros
- Most affordable 65-inch LG OLED at $1,299 — great entry into OLED
- Perfect blacks and infinite contrast inherent to OLED technology
- Dolby Vision and Dolby Atmos for cinema-quality HDR experience
- 4x HDMI 2.1 ports with 4K@120Hz for gaming
- Wide viewing angles with no color shift
Cons
- Older α7 Gen6 processor — less effective upscaling than C3's α9
- 600 nits peak brightness is dim — struggles in bright rooms
- 20W speakers are weak — a soundbar is essential
- Wi-Fi 5 instead of Wi-Fi 6 on a 2023 model
Full Specifications
| Spec | Hisense A6K 55" (UHD LED) | LG OLED B3 65" |
|---|---|---|
| Body | ||
| VESA mount | 200 x 200mm | 300 x 200mm |
| Weight | 25.4 lbs | 41.7 lbs |
| Dimensions | 48.4 x 28.1 x 3.2 inches | 57.0 x 32.8 x 1.8 inches |
| Dimensions (w/ stand) | 48.4 x 30.0 x 8.7 inches | 57.0 x 35.5 x 11.8 inches |
| Audio | ||
| Output (watts) | 16 | 20 |
| Speakers | 2.0ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 14 | 7 |
| Display | ||
| HDR | Dolby Vision, HDR10+, HDR10, HLG | Dolby Vision, HDR10, HLG |
| Size | 55" | 65" |
| Type | Direct LED (VA LCD) | OLED (WOLED) |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K) |
| Refresh rate | 60Hz | 120Hz |
| Brightness (nits) | 350 | 600 |
| Smart TV | ||
| Os | VIDAA U6 | webOS 23 |
| Voice assistant | Alexa | LG ThinQ AI, Alexa, Google Assistant |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
| Ethernet | ||
| Bluetooth | 5.0 | 5.0 |
| USB ports | 2 | 2 |
| HDMI ports | 3 | 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 LG products. View full details for the Hisense A6K 55" (UHD LED) or the LG OLED B3 65".

