GeForce GT 640 Rev. 2 and Radeon 9800 SE - video card comparison
GeForce GT 640 Rev. 2
Radeon 9800 SE
Architecture
Kepler 2.0 (2013−2015)
Rage 8 (2002−2006)
GPU code name
GK208
R350
Market segment
Desktop
Desktop
Release date
May 2013
March 2003
Interface
PCIe 2.0 x8
AGP 8x
Supplementary power connectors
None
Floppy
Core clock speed
1046 MHz
378 MHz
Floating-point performance
803.3 gflops
-
Manufacturing process technology
28 nm
150 nm
Number of transistors
915 million
117 million
Pipelines / CUDA cores
384
-
Power consumption (TDP)
49 Watt
-
Texture fill rate
33.47
1.512
Memory type
GDDR5
DDR
Maximum RAM amount
1 GB
128 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
5008 MHz
594 MHz
Memory bandwidth
40.06 GB/s
19.01 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x DVI, 1x VGA, 1x S-Video
HDMI
+
-
DirectX
12 (11_0)
9.0 (9_0)
CUDA
3.5
-
OpenCL
1.2
N/A
OpenGL
4.6
2.0
Shader Model
5.1
-
Vulkan
1.1.126
N/A