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HP Omen X 65 Emperium Monitor Review: 65 Inches of Gaming Greatness

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HDR Performance

Switching the Omen X 65 Emperium into HDR mode is easily accomplished with our HD Fury Integral signal modifier simulating HDR10. In HDR mode, the monitor still lets you select picture modes and tweak the RGB sliders, but grays out all other controls.

HDR Brightness & Contrast

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The Omen X 65 Emperium surpassed 1,000 nits in HDR mode whether we measured a full-field or a window pattern.

Since zone dimming was on, the black level couldn’t be measured unless we displayed a small info bug somewhere on the screen. Without that, the backlight was completely off.

Contrast was an impressive 52,141.2:1, which exceeds the best plasma TVs and comes close to what we’ve seen from an OLED panel.

Grayscale, EOTF & Color

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The Omen X 65 Emperium continued its professional ways in our HDR grayscale and luminance test. Its high output placed the clip point at an impressive 75 percent. That really expands the panel’s dynamic range. Grayscale tracking was spot-on with no visible errors.

The EOTF luminance curve stays true until about 70 percent, where it clips a bit early. Visually, this means that a few very bright highlight details might be hard to see, but we honestly couldn’t see a problem in the content we watched. To get such accurate HDR performance out of the box is very impressive.

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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.