
GeForce GT 640 and FireStream 9270 - video card comparison
Passmark - benchmark score GeForce GT 640 vs FireStream 9270
GeForce GT 640
1209
FireStream 9270
1381
GeForce GT 640
FireStream 9270
Architecture
Kepler (2012−2018)
TeraScale (2005−2013)
GPU code name
GK107
RV770
Market segment
Desktop
Desktop
Release date
June 2012
November 2008
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
2x 6-pin
Core clock speed
902 MHz
750 MHz
Floating-point performance
692.7 gflops
1,200.0 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
1,270 million
956 million
Pipelines / CUDA cores
384
800
Power consumption (TDP)
65 Watt
160 Watt
Texture fill rate
28.86
30.00
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1782 MHz
3600 MHz
Memory bandwidth
28.51 GB/s
115.2 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI
HDMI
+
-
DirectX
12 (11_0)
10.1 (10_1)
CUDA
3.0
-
OpenCL
1.2
1.1
OpenGL
4.6
3.3
Shader Model
5.1
4.1
Vulkan
1.1.126
N/A