GeForce GT 640 and Radeon HD 3470 - video card comparison
Passmark - benchmark score GeForce GT 640 vs Radeon HD 3470
GeForce GT 640
1209
Radeon HD 3470
122
GeForce GT 640
Radeon HD 3470
Architecture
Kepler (2012−2018)
TeraScale (2005−2013)
GPU code name
GK107
RV620
Market segment
Desktop
Desktop
Release date
June 2012
January 2008
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Core clock speed
902 MHz
800 MHz
Floating-point performance
692.7 gflops
64 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
1,270 million
181 million
Pipelines / CUDA cores
384
40
Power consumption (TDP)
65 Watt
30 Watt
Texture fill rate
28.86
3.200
Memory type
DDR3
GDDR3
Maximum RAM amount
2 GB
256 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1782 MHz
1900 MHz
Memory bandwidth
28.51 GB/s
15.2 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x VGA, 1x S-Video
HDMI
+
-
DirectX
12 (11_0)
10.1 (10_1)
CUDA
3.0
-
OpenCL
1.2
N/A
OpenGL
4.6
3.3
Shader Model
5.1
4.1
Vulkan
1.1.126
N/A