GeForce GT 640 OEM and Radeon 7500 - video card comparison
GeForce GT 640 OEM
Radeon 7500
Architecture
Kepler (2012−2018)
Rage 7 (2001−2006)
GPU code name
GK107
RV200
Market segment
Desktop
Desktop
Release date
April 2012
August 2001
Interface
PCIe 3.0 x16
AGP 4x
Supplementary power connectors
None
None
Core clock speed
797 MHz
290 MHz
Floating-point performance
612.1 gflops
-
Manufacturing process technology
28 nm
150 nm
Number of transistors
1,270 million
60 million
Pipelines / CUDA cores
384
-
Power consumption (TDP)
50 Watt
23 Watt
Texture fill rate
25.50
1.740
Memory type
DDR3
DDR
Maximum RAM amount
2 GB
64 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1782 MHz
460 MHz
Memory bandwidth
28.51 GB/s
7.36 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x VGA, 1x S-Video
HDMI
+
-
DirectX
12 (11_0)
7.0
CUDA
3.0
-
OpenCL
1.2
N/A
OpenGL
4.6
1.3
Shader Model
5.1
-
Vulkan
1.1.126
N/A