Acer XB280HK 28-inch G-Sync Ultra HD Gaming Monitor Review

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Acer breaks new ground with its XB280HK. Offering an Ultra HD resolution and G-Sync in a reasonably-priced 28-inch package, this monitor is unique.

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Grayscale Tracking

Our grayscale and gamma tests are described in detail here.

While the XB280HK isn’t premium-priced relative to competing Ultra HD screens, it is an expensive gaming monitor. For your money, you’re getting decent grayscale performance out of the box. In the Standard picture mode, you really don’t have to make any adjustments to enjoy accurate performance. At 100 percent, the white point starts to go a little blue. But upping the Contrast control one click will fix that.

An instrumented calibration brings the errors down to almost nothing with just a few tweaks. The result is fantastic.

Here is our comparison group:

The XB280HK takes top honors for out-of-box grayscale performance. We expect that a majority of gamers will not calibrate their monitors, so if accuracy is important to you, there are few better choices in the G-Sync or FreeSync segment.

The AOC takes first place by the slimmest of margins. A difference of .04dE is essentially a wash.

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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.

26 Comments Comment from the forums
  • Frozen Fractal
    On first glance I thought I wouldn't have to see "we will be reviewing XB270HU soon" quote again. But then I realized it's XB280HK. Oh well, guess have to endure that quote for few more time :rolleyes:

    Contrast ratio, brightness, chromacity & gamma tracing is where XB280HK looses the ground, but to be fair, most of the gamers won't be noticing much difference at all. But it is kind of disappointing to see Planar do better in these fields than Acer utilizing the same panel. I don't know, maybe the overdrive somehow worsen the results?

    But ofcourse, it does well on uniformity and response time. Makes me wonder why XB280HK doesn't have ULMB if it's supposed to be a bundled feature with G-Sync. That should've helped in 60Hz panels more, rather than 144Hz ones.

    But anyway, XB280HK looks promising, although I don't think 4K is what I prefer for gaming+life (although I do for gaming only).
    Reply
  • deuce_23
    Sorry if i missed it but what version display port is it?
    Reply
  • Frozen Fractal
    16328127 said:
    Sorry if i missed it but what version display port is it?

    It's 1.2a I presume. Since that's what is capable of 4K@60Hz other than HDMI 2.0
    Reply
  • boju
    Should be at least version 1.2 for 4k @ 60Hz since this version has been doing this since year 2009. v1.2a is the same Res/Hz deal but brings added support for Freesync.

    Reply
  • picture_perfect
    Why do they keep pushing 4K for gaming. True gamers have always regarded fps as king and 4K is one-quarter the frame rate of 1080. Gamers don't need expensive 4K monitors driven by expensive cards at ever-lower frame rates (via G-sync). This is chasing the proverbial tail and counterproductive. Regular 1080p, v-synced at a constant 144 fps would be better than all that stuff.
    Reply
  • spagalicious
    Why do they keep pushing 4K for gaming. True gamers have always regarded fps as king and 4K is one-quarter the frame rate of 1080. Gamers don't need expensive 4K monitors driven by expensive cards at ever-lower frame rates (via G-sync). This is chasing the proverbial tail and counterproductive. Regular 1080p, v-synced at a constant 144 fps would be better than all that stuff.

    *Competitive Gamers
    People that like to play games also like to play games in ultra HD resolutions.
    Reply
  • TechyInAZ
    For peeps that want gaming at 4k now, this is the best option I've seen so far.
    Reply
  • picture_perfect
    4K is cool but GPUs cant handle it well enough yet. I'd rather have 1080p at high fps and gain an extra 1-2 frames of lag, but to each their own.
    Reply
  • bystander
    16328109 said:
    But ofcourse, it does well on uniformity and response time. Makes me wonder why XB280HK doesn't have ULMB if it's supposed to be a bundled feature with G-Sync. That should've helped in 60Hz panels more, rather than 144Hz ones.

    ULMB uses flickering to lower persistence, which reduces the motion blur. If you've ever used 60hz CRT monitors, you'll know that flickering is painful on the eyes. This is why ULMB mode is not offered on 60hz monitors, and likely won't be offered on anything less than 75-85hz.

    Reply
  • bystander
    16329841 said:
    4K is cool but GPUs cant handle it well enough yet. I'd rather have 1080p at high fps and gain an extra 1-2 frames of lag, but to each their own.

    Top end GPU's can handle 4K just fine. You just don't play it at max settings. What is better, medium to high settings and 4K, or maxed at 1080p? That is a subjective question, and will vary from person to person.

    That said, I prefer higher refresh rates than 60hz, so I'll be going 1440p before 4K.
    Reply