Hisense A6K 55" (UHD LED) vs LG C4 65"
The Verdict
Hisense A6K delivers exceptional value at $329, offering 4K resolution with Direct LED backlighting, Dolby Vision support, and solid 350-nit brightness for casual viewing. However, LG C4 represents premium performance across every dimension: OLED evo technology provides infinite contrast and perfect blacks, 1300-nit peak brightness with Dolby Vision IQ, 120Hz refresh rate with VRR/ALLM for gaming (1ms input lag vs 14ms), superior 60W Dolby Atmos audio, and webOS 24 with AI upscaling. C4's larger 65" screen and professional calibration options justify its $1799 price for serious cinephiles and gamers. Budget-conscious buyers seeking basic 4K streaming should choose Hisense; those prioritizing picture quality, gaming performance, and longevity should invest in LG's industry-leading display technology.
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 C4 65" if…
- →Perfect black levels from self-emissive OLED pixels — best-in-class contrast
- →All four HDMI 2.1 ports at full bandwidth with VRR, ALLM, and G-Sync Compatible
- →1ms input lag makes it one of the best gaming TVs at any price
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 C4 65"
Pros
- Perfect black levels from self-emissive OLED pixels — best-in-class contrast
- All four HDMI 2.1 ports at full bandwidth with VRR, ALLM, and G-Sync Compatible
- 1ms input lag makes it one of the best gaming TVs at any price
- Dolby Vision IQ and Dolby Atmos support for premium cinematic experience
- webOS 24 is clean, fast, and nearly ad-free compared to Tizen
Cons
- OLED burn-in risk with prolonged static content (e.g. news tickers, HUDs)
- Peak brightness trails Mini-LED rivals in very bright HDR highlights
- Slightly lower brightness than the G4, limiting HDR pop in sunlit rooms
- USB-A ports are only USB 2.0 speed
Full Specifications
| Spec | Hisense A6K 55" (UHD LED) | LG C4 65" |
|---|---|---|
| Body | ||
| VESA mount | 200 x 200mm | 300 x 200mm |
| Weight | 25.4 lbs | 52.9 lbs |
| Dimensions | 48.4 x 28.1 x 3.2 inches | — |
| Dimensions (w/ stand) | 48.4 x 30.0 x 8.7 inches | 57.0 x 36.9 x 10.1 inches |
| Audio | ||
| Output (watts) | 16 | 60 |
| Speakers | 2.0ch | 2.2ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 14 | 1 |
| Display | ||
| HDR | Dolby Vision, HDR10+, HDR10, HLG | Dolby Vision IQ, HDR10, HLG, Filmmaker Mode |
| Size | 55" | 65" |
| Type | Direct LED (VA LCD) | OLED evo |
| Resolution | 3840 x 2160 (4K) | 3840 x 2160 (4K UHD) |
| Refresh rate | 60Hz | 120Hz |
| Brightness (nits) | 350 | 1300 |
| Smart TV | ||
| Os | VIDAA U6 | webOS 24 |
| Voice assistant | Alexa | ThinQ AI, Alexa, Google Assistant |
| Connectivity | ||
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6 (802.11ax) |
| Ethernet | ||
| Bluetooth | 5.0 | 5.0 |
| USB ports | 2 | 3 |
| HDMI ports | 3 | 4 |
| Processor | ||
| Chipset | — | α9 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.
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