GeForce GT 640 OEM Rebrand and Radeon 9800 PRO - video card comparison
GeForce GT 640 OEM Rebrand
Radeon 9800 PRO
Architecture
Fermi 2.0 (2010−2014)
Rage 8 (2002−2006)
GPU code name
GF116
R350
Market segment
Desktop
Desktop
Release date
April 2012
March 2003
Interface
PCIe 2.0 x16
AGP 8x
Supplementary power connectors
None
1x Molex
Core clock speed
720 MHz
380 MHz
Floating-point performance
414.7 gflops
-
Manufacturing process technology
40 nm
150 nm
Number of transistors
1,170 million
117 million
Pipelines / CUDA cores
144
-
Power consumption (TDP)
75 Watt
47 Watt
Texture fill rate
17.28
3.040
Memory type
DDR3
DDR
Maximum RAM amount
1536 MB
128 MB
Memory bus width
192 Bit
256 Bit
Memory clock speed
1600 MHz
680 MHz
Memory bandwidth
38.4 GB/s
21.76 GB/s
Display Connectors
2x DVI, 1x mini-HDMI
1x DVI, 1x VGA, 1x S-Video
HDMI
+
-
DirectX
12 (11_0)
9.0 (9_0)
CUDA
2.1
-
OpenCL
1.1
N/A
OpenGL
4.6
2.0
Shader Model
5.1
-
Vulkan
N/A
N/A