
GeForce GT 640 and Radeon RX 560X Mobile - video card comparison
GeForce GT 640
Radeon RX 560X Mobile
Architecture
Kepler (2012−2018)
Polaris (2016−2019)
GPU code name
GK107
Polaris 11
Market segment
Desktop
Laptop
Release date
June 2012
January 2017
Interface
PCIe 3.0 x16
MXM-B (3.0)
Supplementary power connectors
None
-
Boost clock speed
-
1275 MHz
Core clock speed
902 MHz
1172 MHz
Floating-point performance
692.7 gflops
2,611 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
1,270 million
3,000 million
Pipelines / CUDA cores
384
1024
Power consumption (TDP)
65 Watt
60-80 Watt
Texture fill rate
28.86
81.60
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1782 MHz
6000 MHz
Memory bandwidth
28.51 GB/s
92.8 GB/s
Shared memory
-
-
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
6.4
Vulkan
1.1.126
1.2.131
FreeSync
-
+