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Like a vast majority of gaming displays, the XB280HK employs a TN panel. What is unique here is the Ultra HD resolution. Playing graphics-intensive titles while pushing more than eight million pixels still requires a fairly expensive video card. But the addition of G-Sync means choosing between stuttering/input latency and frame tearing is no longer necessary.
This is a good thing because, thanks to its high resolution, the XB280HK is limited to a maximum refresh rate of 60Hz. There aren't many rigs able to operate above that frame rate at 3840x2160 anyway. With the variable refresh available from G-Sync, there is no stuttering until the action drops below 30 FPS. Then, the GPU simply doubles frames to keep input lag from increasing.
If you’re wondering about the panel part used, it’s the same Innolux piece found in every other 28-inch UHD/TN screen. Acer specs an 8-bit color depth, which suggests the frame-rate conversion to 10-bit has been eliminated to speed up video processing. We also recorded faster panel response times in our tests thanks to Acer’s more aggressive overdrive feature.
Like the XG280HU we reviewed recently, this is a no-frills design. Aside from Ultra HD and G-Sync, you don’t get much else. The build is solid and our tests show good picture quality as well. But if you’re looking for gaming modes, blur reduction or higher refresh rates, you’ll have to look elsewhere and take a hit to resolution in the process.
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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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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:Reply
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).
Sorry if i missed it but what version display port is it?Reply
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
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
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
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.
People that like to play games also like to play games in ultra HD resolutions.
For peeps that want gaming at 4k now, this is the best option I've seen so far.Reply
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
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.
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.