GeForce GT 640 and GeForce 8600 GS - video card comparison
Passmark - benchmark score GeForce GT 640 vs GeForce 8600 GS
GeForce GT 640
1209
GeForce 8600 GS
94
GeForce GT 640
GeForce 8600 GS
Architecture
Kepler (2012−2018)
Tesla (2006−2010)
GPU code name
GK107
G84
Market segment
Desktop
Desktop
Release date
June 2012
April 2007
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
None
None
Core clock speed
902 MHz
540 MHz
Floating-point performance
692.7 gflops
38.08 gflops
Manufacturing process technology
28 nm
80 nm
Number of transistors
1,270 million
289 million
Pipelines / CUDA cores
384
16
Power consumption (TDP)
65 Watt
47 Watt
Texture fill rate
28.86
4.320
Memory type
DDR3
DDR2
Maximum RAM amount
2 GB
512 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1782 MHz
800 MHz
Memory bandwidth
28.51 GB/s
12.8 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x VGA, 1x S-Video
HDMI
+
-
DirectX
12 (11_0)
11.1 (10_0)
CUDA
3.0
1.1
OpenCL
1.2
1.1
OpenGL
4.6
3.3
Shader Model
5.1
4.0
Vulkan
1.1.126
N/A