Which is the best graphics card out of these 5?

[Shameel CA]

Which Is The Best Graphics Card In these 5..Plz Let Me Knw..Help Plz
XFX NVIDIA GT N 640 4 GB DDR3 Graphics Card
Asus NVIDIA GeForce GT 640 2 GB DDR3 Graphics Card
Gainward NVIDIA GeForce GTX 650 2 GB GDDR5 Graphics Card
MSI NVIDIA N650-2GD5/OC 2 GB GDDR5 Graphics Card
Palit NVIDIA GeForce GTX 650/2GB 2 GB GDDR5 Graphics Card

 

[cliffordcooley]

The last 3 are the best and equal in performance. The 640 has less power than the 650. Pick a brand, they are probably also equal in quality.

 

[GhostRyder]

Look at the core clocks of the last 3 cards in your list and decide based on whose is higher to get the best performance possible.