Gaming monitors are different from the normal monitors. Most of the player play games on normal monitors but if you want to get the better gaming experience then you can play games on anyone from these monitors:-
1. Asus VG245H
2. Acer H277H-S.
3. AOC i2367Fh
4. LG 24MP88HV.
The resolution, screen size, refresh rate, and response time of these laptops are specially designed to play games. These are the good gaming laptops under $500.
If you want to read more about gaming laptop then just take a look at: http://digiarch.org/laptops/budget/best-gaming-laptop-under-500/