i want to buy r7 250 gpu

[jacknamvar]

r7 250 is good for gaming on high resolution and quality ?

 

[rhysiam]

Have a read of a review like this one: http://www.tomshardware.com/reviews/radeon-r7-240-and-250,3717.html

That's the best way to get a sense of whether the card will meet your needs.