Entry-Level Card for 2012.
Vlask's card:
OC version with slightly higher core at 1046MHz.
Gigabyte GV-N640OC-2GI
Gigabyte GV-N640OC-2GI
Gigabyte GV-N640OC-2GI
Gigabyte GV-N640OC-2GI
GV-N640OC-2GI GPUZ
GV-N640OC-2GI GPUZ
GV-N640OC-2GI GPGU
GV-N640OC-2GI GPGU
Demiurge's card:
PNY GeForce GT 640
PNY GeForce GT 640
PNY GeForce GT 640
PNY GeForce GT 640