Question which better msi 570 8gb or 580 8gb ?

[mo7ammed.3mr]

which better msi 570 8gb or 580 8gb in games and how much diff ?

 

[Gam3r01]

The 580 is about 15-20% faster.

 

[mo7ammed.3mr]

The 580 is about 15-20% faster.

4gb is good for 1080p ?

 

[Gam3r01]

4GB is enough, depending on the games and rest of the specs, but you said 8GB for both cards in the first post.