MSI R7950 Twin Frozr 3GD5/OC VS. Sapphire 100352VXSR

[Frageally]

http://pcpartpicker.com/part/sapphire-video-card-100352vxsr

http://pcpartpicker.com/part/msi-video-card-r7950twinfrozr3gd5oc

 

please tell me i hear sapphire over heats but i dunno,