Radeon RX 560 and GeForce GT 640 OEM Rebrand - video card comparison
Radeon RX 560
GeForce GT 640 OEM Rebrand
Architecture
GCN 4.0 (2016−2020)
Fermi 2.0 (2010−2014)
GPU code name
Polaris 21
GF116
Market segment
Desktop
Desktop
Release date
April 2017
April 2012
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
None
Boost clock speed
1275 MHz
-
Core clock speed
1175 MHz
720 MHz
Floating-point performance
2,611 gflops
414.7 gflops
Manufacturing process technology
14 nm
40 nm
Number of transistors
3,000 million
1,170 million
Pipelines / CUDA cores
1024
144
Power consumption (TDP)
75 Watt
75 Watt
Texture fill rate
81.60
17.28
Memory type
GDDR5
DDR3
Maximum RAM amount
4 GB
1536 MB
Memory bus width
128 Bit
192 Bit
Memory clock speed
7000 MHz
1600 MHz
Memory bandwidth
112.0 GB/s
38.4 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x mini-HDMI
HDMI
+
+
DirectX
12 (12_0)
12 (11_0)
CUDA
-
2.1
OpenCL
2.0
1.1
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.2.131
N/A