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C6K 55" QD-Mini LED (55C6K)

TCL · Released May 2025

An affordable QD-Mini LED TV with Dolby Vision IQ, HDR10+, 40 W 2.1-channel sound and up to 240 Hz in game mode.

Panel type matters a lot for picture quality but is not reduced to a number here: OLED and QD-OLED give perfect blacks, Mini LED gets brighter. Manufacturers measure brightness differently, and many (including LG and Sony) do not publish it.

Spec score

72OF 100
Picture90
Gaming100
Sound40
Design58

Built from published specs on fixed scales, not lab tests. How we score

Strengths

  • Mini LED backlight at a mid-range price
  • Dolby Vision IQ and HDR10+
  • 40 W 2.1-channel speakers

Trade-offs

  • 240 Hz uses Dual Line Gate (half vertical resolution)
  • TCL does not publish this model’s peak brightness

Full specifications

Picture
Screen size55 in
PanelQD-Mini LED
Resolution3840 × 2160
Native refresh rate120 Hz
Dolby VisionYes
HDR10+Yes
Gaming
Max refresh in game mode240 Hz
Variable refresh rate (VRR)Yes
Sound
Speaker output40 W
Channels2.1
Smart TV & design
Wi-FiWi-Fi 5
Depth (without stand)55.9 mm
Weight (without stand)12.2 kg

Sources

Specs last checked 23 Oct 2026. A dash (—) means the maker hasn’t published that figure.