Chip
Model designation
NVIDIA GeForce GT 640
Number of stream processors
384×
Production technology
28 nm
Performance & usage
Use
Multimedia, Game playing
Memory
Size of operational RAM
2 GB
Memory type
DDR3
Frequency
Core frequency
900 MHz
Memory frequency
1,600 MHz (1.6 GHz)
Interface
PC connection
PCI Express x16 3.0
Monitor connection
DVI
Technology
Cooling system
Cooling type
Passive, With a water block
Cooling size
Dual-slot
Consumption
TDP
65 W
Auxiliary power supply
No
Recommended power sources
350 W
