GeForce GT 640 and GeForce 7025 + nForce 630a - video card comparison
GeForce GT 640
GeForce 7025 + nForce 630a
Architecture
Kepler (2012−2018)
Curie (2003−2013)
GPU code name
GK107
C67
Market segment
Desktop
Desktop
Release date
June 2012
February 2006
Interface
PCIe 3.0 x16
PCI
Supplementary power connectors
None
-
Core clock speed
902 MHz
425 MHz
Floating-point performance
692.7 gflops
-
Manufacturing process technology
28 nm
90 nm
Number of transistors
1,270 million
112 million
Pipelines / CUDA cores
384
-
Power consumption (TDP)
65 Watt
-
Texture fill rate
28.86
0.43
Memory type
DDR3
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
1782 MHz
System Shared
Memory bandwidth
28.51 GB/s
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
9.0c (9_3)
CUDA
3.0
-
OpenCL
1.2
N/A
OpenGL
4.6
2.1
Shader Model
5.1
3.0
Vulkan
1.1.126
N/A