Chip
Model designation
NVIDIA GeForce GT 640
Number of stream processors
384×
Production technology
28 nm
Performance & usage
Use
Game playing
Memory
Size of operational RAM
2 GB
Memory type
DDR3
Frequency
Core frequency
900 MHz
Memory frequency
1,782 MHz (1.78 GHz)
Interface
PC connection
PCI Express x16 3.0
Monitor connection
DVI, VGA (D-SUB)
Technology
Cooling system
Cooling type
Active
Cooling size
Dual-slot
Consumption
TDP
65 W
Auxiliary power supply
No
Recommended power sources
350 W