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To compare the MB27ACF’s performance, I’ve rounded up other 27-inch QHD screens, none of which are portable. As I said earlier, it’s something of a niche genre. Since the top speed is 100 Hz, response and input lag comparisons are a bit unfair, but the Asus acquits itself well. The other displays are AOC’s Q27G40XMN and Q27G4XY, Gigabyte’s M27QA ICE, Xiaomi G Pro 27i, and Asus’ XG27ACS.
Pixel Response and Input Lag
A typical 60 Hz enterprise monitor takes 16ms to draw a full white field, so the MB27ACF is doing well to complete the task in 11ms at 100 Hz. Motion is reasonably smooth thanks to Asus’ excellent overdrive, which works best at 60%. There’s a bit of blur, but not as much as the term “100 Hz” would suggest.
Input lag is higher than the rest, but again, it’s not too bad if you’re up for casual gaming or you’re not too worried about frenetic competition in Doom Eternal’s Horde mode. I had a decent experience playing during the review. The MB27ACF is a gaming monitor, just not a super-high-performance one.
Test Takeaway: The MB27ACF delivers decent performance with low motion blur and reasonable input lag considering its relatively slow 100 Hz refresh rate. Given the quality of the overdrive, I’d bet this monitor would be substantially better at 144 Hz. However, it is more than quick enough for casual gaming on the road.
Viewing Angles
The MB27ACF is one of the better IPS panels I’ve photographed, with only a slight green tint seen in the 45-degree photo. Gamma and brightness remain solid, which means you’ll barely see a difference in actual content. The top view is a bit cool in tone with reduced gamma and light output which is typical of IPS panels. Overall, this is excellent performance.
Screen Uniformity
To learn how we measure screen uniformity, click here.
In the screen uniformity test, the MB27ACF just dips below the visible threshold with a 9.58% score. I couldn’t see any bleed or glow, but my meter found slightly elevated levels in the upper right corner of the screen, a minor flaw at best. I have no complaints here.
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