GeForce GT 640 OEM and Radeon 9800 PRO - video card comparison
GeForce GT 640 OEM
Radeon 9800 PRO
Architecture
Kepler (2012−2018)
Rage 8 (2002−2006)
GPU code name
GK107
R350
Market segment
Desktop
Desktop
Release date
April 2012
March 2003
Interface
PCIe 3.0 x16
AGP 8x
Supplementary power connectors
None
1x Molex
Core clock speed
797 MHz
380 MHz
Floating-point performance
612.1 gflops
-
Manufacturing process technology
28 nm
150 nm
Number of transistors
1,270 million
117 million
Pipelines / CUDA cores
384
-
Power consumption (TDP)
50 Watt
47 Watt
Texture fill rate
25.50
3.040
Memory type
DDR3
DDR
Maximum RAM amount
2 GB
128 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1782 MHz
680 MHz
Memory bandwidth
28.51 GB/s
21.76 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x VGA, 1x S-Video
HDMI
+
-
DirectX
12 (11_0)
9.0 (9_0)
CUDA
3.0
-
OpenCL
1.2
N/A
OpenGL
4.6
2.0
Shader Model
5.1
-
Vulkan
1.1.126
N/A