Which is a better graphic card?

[Pratz993]

Zotac Geforce 560GTX Ti AMP Edition 1GB GDDR5 vs HIS Radeon HD7770 1GB GDDR5........which is better and will it fit in INTEL DH55TC motherboard?

Processor: INTEL Core i3-530 @2.93GHz
Hard-Disk: 1TB
Graphic Card: Zotac Geforce 560GTX Ti AMP Edition 1GB GDDR5

 

[Sujeet]

fill in the Gpu buying template in Sticky for better recommendations.
Post in your Complete Configuration.

 

[coderunknown]

read the stickes first.