GeForce GT 640 and Radeon X1600 XT - video card comparison
Passmark - benchmark score GeForce GT 640 vs Radeon X1600 XT
GeForce GT 640
1209
Radeon X1600 XT
118
GeForce GT 640
Radeon X1600 XT
Architecture
Kepler (2012−2018)
R500 (2005−2007)
GPU code name
GK107
RV530
Market segment
Desktop
Desktop
Release date
June 2012
October 2007
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
None
None
Core clock speed
902 MHz
590 MHz
Floating-point performance
692.7 gflops
-
Manufacturing process technology
28 nm
90 nm
Number of transistors
1,270 million
157 million
Pipelines / CUDA cores
384
-
Power consumption (TDP)
65 Watt
42 Watt
Texture fill rate
28.86
2.360
Memory type
DDR3
GDDR3
Maximum RAM amount
2 GB
256 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1782 MHz
1380 MHz
Memory bandwidth
28.51 GB/s
22.08 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