KTC M27T6S 27-inch QHD Mini LED gaming monitor review: Affordable, colorful, and bright

KTC delivers high brightness and saturated color from the M27T6S.

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KTC M27T6S
(Image credit: © Tom's Hardware)

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To compare the M27T6S’s performance, I’ve extracted five 27-inch QHD screens from the database. They include KTC’s H27E6, HP’s Omen 27qs, AOC’s Q27G40XMN and Q27G4ZMN, and Acer’s XB273U F5.

Pixel Response and Input Lag

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KTC M27T6S
(Image credit: Tom's Hardware)

I tested the M27T6S with overclocking enabled at 210 Hz and compared it to the other LCDs I’ve tested with Nvidia’s LDAT sensor. So far, response time goes hand in hand with refresh rate. This result was with overdrive set to Advanced, the middle level. Ultra Fast gave a 3.54ms time, but it had too much ghosting to be useful.

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In the lag test, the M27T6S beats some monitors with higher refresh rates, posting a respectable 15.9ms score. It’s as quick as most premium screens with instant control response in twitchy 3D shooters. This is excellent performance.

Test Takeaway: The M27T6S has very low input lag on par with the best monitors I’ve tested. It shows a bit more motion blur than premium OLEDs, but it has excellent overdrive and an effective backlight strobe. That makes it competition-worthy and flexible enough to run smoothly with slower PCs and consoles.

Viewing Angles

KTC M27T6S

(Image credit: Tom's Hardware)

The M27T6S has off-axis image quality comparable to the better IPS panels I’ve tested. You can see a little red and green in the side photo, but there is no change in brightness or gamma. It is completely shareable. The top view goes blue/red with lower brightness and washed-out detail. Overall, this is excellent performance.

Screen Uniformity

To learn how we measure screen uniformity, click here.

KTC M27T6S

(Image credit: Tom's Hardware)

My M27T6S sample just made it under the 10% point where glow or bleed becomes visible to the naked eye. The meter noted a tad more brightness in the center zones, but I could not see this in content. Other neutral and color field patterns were equally uniform in my observation.

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Christian Eberle
Christian Eberle
Contributing Editor

Christian Eberle is a Contributing Editor for Tom's Hardware US. He's a veteran reviewer of A/V equipment, specializing in monitors. Christian began his obsession with tech when he built his first PC in 1991, a 286 running DOS 3.0 at a blazing 12MHz. In 2006, he undertook training from the Imaging Science Foundation in video calibration and testing and thus started a passion for precise imaging that persists to this day. He is also a professional musician with a degree from the New England Conservatory as a classical bassoonist which he used to good effect as a performer with the West Point Army Band from 1987 to 2013. He enjoys watching movies and listening to high-end audio in his custom-built home theater and can be seen riding trails near his home on a race-ready ICE VTX recumbent trike. Christian enjoys the endless summer in Florida where he lives with his wife and Chihuahua and plays with orchestras around the state.