GeForce GT 640 and GeForce 7600 GT AGP - video card comparison
GeForce GT 640
GeForce 7600 GT AGP
Architecture
Kepler (2012−2018)
Curie (2003−2013)
GPU code name
GK107
G73
Market segment
Desktop
Desktop
Release date
June 2012
January 2007
Interface
PCIe 3.0 x16
AGP 8x
Supplementary power connectors
None
1x Molex
Core clock speed
902 MHz
560 MHz
Floating-point performance
692.7 gflops
-
Manufacturing process technology
28 nm
90 nm
Number of transistors
1,270 million
177 million
Pipelines / CUDA cores
384
-
Power consumption (TDP)
65 Watt
40 Watt
Texture fill rate
28.86
6.720
Memory type
DDR3
GDDR3
Maximum RAM amount
2 GB
256 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1782 MHz
1400 MHz
Memory bandwidth
28.51 GB/s
22.4 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x VGA, 1x S-Video
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