The Gigabyte M32U has low input lag, so you won't notice any delay and get a responsive feel. However, it's important to ensure the monitor's firmware is F06 or newer, as previous firmware versions have an issue with input lag. LEARN ABOUT INPUT LAG 8.5 Resolution Native Resolution...
The Gigabyte M32U is one of very a few reasonably priced 4K gaming monitors. For the asking price of $800, you're getting excellent everyday and gaming performance, as well as an impressive list of extra gaming and productivity features.