GeForce GT 640 OEM and Radeon E6465 - video card comparison
GeForce GT 640 OEM
Radeon E6465
Architecture
Kepler (2012−2018)
TeraScale 2 (2009−2015)
GPU code name
GK107
Caicos
Market segment
Desktop
Desktop
Release date
April 2012
September 2015
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Core clock speed
797 MHz
600 MHz
Floating-point performance
612.1 gflops
192.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,270 million
370 million
Pipelines / CUDA cores
384
160
Power consumption (TDP)
50 Watt
25 Watt
Texture fill rate
25.50
4.800
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1782 MHz
3200 MHz
Memory bandwidth
28.51 GB/s
25.6 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
11.2 (11_0)
CUDA
3.0
-
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
1.1.126
N/A