GeForce GT 640 and Radeon 535 Mobile - video card comparison
GeForce GT 640
Radeon 535 Mobile
Architecture
Kepler (2012−2018)
GCN 3.0 (2014−2017)
GPU code name
GK107
Polaris 24
Market segment
Desktop
Laptop
Release date
June 2012
April 2017
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
-
Boost clock speed
-
1024 MHz
Core clock speed
902 MHz
730 MHz
Floating-point performance
692.7 gflops
784.1 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)
65 Watt
50 Watt
Texture fill rate
28.86
24.58
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1782 MHz
4500 MHz
Memory bandwidth
28.51 GB/s
36 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
6.3
Vulkan
1.1.126
1.2.131