Acer XB280HK 4K G-SYNC Monitor Review
 

When it comes to gaming, 4K displays present a conundrum (beyond 4K being used incorrectly, but I’ll still use it). On the one hand, all the extra pixels allow for far more detail. On the other, that is a lot of pixels to push for a GPU. Even with the best GPUs out there, you might [Ed: will] have to disable certain features and start to introduce aliasing and other artifacts. A solution to this might be G-SYNC to enable gaming that looks smooth even when running below 60Hz. Read on for our review of Acer's XB280HK.

http://www.anandtech.com/show/8910/a...monitor-review