GeForce GT 640 OEM and Radeon R7 A360 - video card comparison
GeForce GT 640 OEM
Radeon R7 A360
Architecture
Kepler (2012−2018)
GCN 3.0 (2014−2017)
GPU code name
GK107
Meso
Market segment
Desktop
Desktop
Release date
April 2012
May 2015
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
-
Boost clock speed
-
1125 MHz
Core clock speed
797 MHz
725 MHz
Floating-point performance
612.1 gflops
864.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,270 million
1,550 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
50 Watt
-
Texture fill rate
25.50
27.00
Memory type
DDR3
DDR3
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1782 MHz
1800 MHz
Memory bandwidth
28.51 GB/s
14.4 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
12 (12_0)
CUDA
3.0
-
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.0
Vulkan
1.1.126
1.2.131