Which gpu is better?

[Ssarks]

Which one is better
Sapphire Radeon r9 270x- 4gb gddr5
Or
Asus Radeon r9 270x 2gb 256-bit

 

[Gam3r01]

The 4GB is meant for X-fire or multiple monitors/higher resolution.
If you are on 1 1080p monitor use the ASUS.
Anything more use the Sapphire.