TCL QM9K

Pros

• Extreme peak brightness, with some users noting up to 6,500 nits
• High dimming zone count (6,000 zones) for improved contrast
• Vibrant color reproduction where 'colors pop' compared to lower-tier models
• Supports 144Hz at 4K for gaming
• Improved RAM and smoother out-of-the-box software experience

Cons

• Significant price premium over the QM8K that many users feel is not worth the cost
• Out-of-the-box color accuracy and skin tone tracking are reported to be inferior to competitors
• Reports of an audible buzzing sound during operation
• Potential panel uniformity issues, such as dark vertical lines visible on solid gray or blue screens
• Clunky settings menu that requires navigating to individual ports to adjust specific settings

Caveats

• Technical benefits over the QM8K may be visually inseparable for many viewers
• Some users found that 'Filmmaker Mode' did not look good and required manual calibration or 'Standard' mode to achieve a satisfactory picture
• Conflicting reports on black levels, with some third-party data suggesting the older QM8K may perform better in mixed usage

Best for

• Large-format home theaters, particularly the 97-inch model where competitors lack options
• Very bright rooms where high luminance is required to overcome glare
• Gamers looking for high refresh rate support (144Hz)

Avoid if

• You are looking for the best price-to-performance ratio (QM8K is frequently recommended as the better value)
• You are a color purist who requires high out-of-the-box accuracy without calibration
• You are sensitive to electronic buzzing or coil whine