Which is better for gaming?

The TCL QM6K. It has a 144 Hz native panel, VRR and Game Accelerator 288. The Roku Select Series is 60 Hz with no VRR listed.

Is the TCL worth about $198 more?

Yes if you want better contrast, smoother motion and stronger sound. If you mostly stream shows in a bright room, the Roku covers the basics for less.

Which has better picture quality?

The TCL QM6K, because of its QD-Mini LED backlight with local dimming and halo control. The Roku is a standard QLED with no local dimming listed.

Which is easier to use?

The Roku. Roku OS is simple and the voice remote finds content across apps. Google TV on the TCL is more feature-heavy.

Which has better sound out of the box?

The TCL QM6K. Its ONKYO 2.1 system puts out 40W with a built-in subwoofer and supports Dolby Atmos. The Roku relies on basic built-in speakers.

Neither maker publishes a lifespan figure. Both are LED-backlit LCD sets, and the TCL's higher brightness may wear its backlight harder over many years. Check each warranty at purchase.

TCL QM6K 65-Inch QD-Mini LED TV vs Roku Select Series 65" 4K QLED TV

Buy the Roku Select Series if you want the lowest price and the simplest smart TV experience. Buy the TCL QM6K if you care about picture quality, gaming and sound. The Roku is $399.99 at Best Buy as of November 7, 2026, and the TCL is $597.99 at ABC Warehouse as of November 7, 2026, so the TCL costs about $198 more.

Today the Roku Select Series 65" 4K QLED TV costs $198.00 less at its best price.

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