GeForce GT 640 and GeForce GT 230 - video card comparison
Passmark - benchmark score GeForce GT 640 vs GeForce GT 230
GeForce GT 640
1209
GeForce GT 230
333
GeForce GT 640
GeForce GT 230
Architecture
Kepler (2012−2018)
Tesla (2006−2010)
GPU code name
GK107
G94B
Market segment
Desktop
Desktop
Release date
June 2012
October 2009
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Core clock speed
902 MHz
650 MHz
Floating-point performance
692.7 gflops
156 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
1,270 million
505 million
Pipelines / CUDA cores
384
48
Power consumption (TDP)
65 Watt
75 Watt
Texture fill rate
28.86
15.60
Memory type
DDR3
GDDR3
Maximum RAM amount
2 GB
512 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1782 MHz
1800 MHz
Memory bandwidth
28.51 GB/s
57.6 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
11.1 (10_0)
CUDA
3.0
1.1
OpenCL
1.2
1.1
OpenGL
4.6
3.3
Shader Model
5.1
4.0
Vulkan
1.1.126
N/A