GeForce GT 640 and Radeon X1650 - video card comparison
Passmark - benchmark score GeForce GT 640 vs Radeon X1650
GeForce GT 640
1209
Radeon X1650
73
GeForce GT 640
Radeon X1650
Architecture
Kepler (2012−2018)
R500 (2005−2007)
GPU code name
GK107
RV516
Market segment
Desktop
Desktop
Release date
June 2012
November 2007
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
None
None
Core clock speed
902 MHz
635 MHz
Floating-point performance
692.7 gflops
-
Manufacturing process technology
28 nm
80 nm
Number of transistors
1,270 million
107 million
Pipelines / CUDA cores
384
-
Power consumption (TDP)
65 Watt
-
Texture fill rate
28.86
2.540
Memory type
DDR3
DDR2
Maximum RAM amount
2 GB
256 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1782 MHz
784 MHz
Memory bandwidth
28.51 GB/s
6.272 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x VGA, 1x S-Video
HDMI
+
-
DirectX
12 (11_0)
9.0c (9_3)
CUDA
3.0
-
OpenCL
1.2
N/A
OpenGL
4.6
2.0
Shader Model
5.1
3.0
Vulkan
1.1.126
N/A