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Viewing Angles, Uniformity, Response and Lag

Viewing Angles

HP Omen 27i — (Image credit: Tom's Hardware)

The Omen 27i delivers viewing angles comparable to any IPS monitor. To the sides, there is a slight blue shift along with a 30% reduction in brightness. From the top, the image gets a bit red and light drops by around 50%. In either case, detail remains visible in all areas of the image.

Screen Uniformity

To learn how we measure screen uniformity, please click here.

Quality control is certainly evident in our Omen 27i sample. With only a 5.91% deviation, screen uniformity is visually perfect. HP has avoided any bleed or glow that sometimes crops up with IPS panels. This monitor won’t show any hotspots or artifacts at any brightness level. Color aberrations were nonexistent.

Pixel Response & Input Lag

Please click here to read up on our pixel response and input lag testing procedures.

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As you can see, high refresh rates are not created equal. Though the differences are small, more Hertz isn’t a guarantee of success. The Omen 27i makes the most of its 165Hz and manages to pip the 200Hz GM27-CF in the lag test while matching its panel response score. HP’s overdrive is one of the best we’ve seen, and it almost completely eliminates motion blur with no ghosting artifacts. A 21ms lag score will only be beaten by a handful of 240Hz monitors.

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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.

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