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HDR Performance

Our HDR benchmarking uses Portrait Displays’ Calman software. To learn about our HDR testing, see our breakdown of how we test PC monitors.

The AW2524H delivers the best HDR I’ve yet seen from any monitor of 360 Hz or faster. This is a major point in its favor because you aren’t sacrificing image quality for frame rate.

HDR Brightness and Contrast

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Alienware AW2524H — (Image credit: Tom's Hardware)

In HDR mode, the AW2524H retains access to all its picture modes and most settings. You can tweak the grayscale in the Custom Color mode and adjust the dark stabilizer. The only slider grayed out is brightness, which is locked to its maximum delivering over 462 nits peak. That’s comfortably over its 400-nit claim.

Dimming defaults to Mode 1, which is the one that offers the lowest black level. It’s quite a bit deeper than the others, resulting in a stunning 82,623.5:1 HDR contrast ratio. This is far better than any 360 Hz monitor, and it’s a difference easily seen. This is the best reason to consider buying one of these, even though it’s nearly double the price of its main competition.

Grayscale, EOTF and Color

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The RGB settings I settled on in Custom Color mode carried over to HDR and gave me visually perfect grayscale and near-perfect EOTF tracking. There are no visible white point errors, and only the deepest blacks are slightly dark. You can increase the dark stabilizer in-game if you’re having trouble seeing in the dark. The tone-map transition is at 65%, and the AW2524H hits that closely.

In both DCI-P3 and Rec.2020 reference tests, the AW2524H excelled. Color is slightly over-saturated, which gives HDR more impact. Even Rec.2020 content benefits until the monitor runs out of red, just past 80%. This is the best HDR color performance I’ve seen from a monitor that doesn’t have an extended color gamut. Imagine one of these things with a quantum dot layer! HDR is clearly the star here.

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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.