Radeon 530 and GeForce GT 640 OEM - video card comparison
Radeon 530
GeForce GT 640 OEM
Architecture
GCN (2011−2017)
Kepler (2012−2018)
GPU code name
Meso
GK107
Market segment
Laptop
Desktop
Release date
March 2017
April 2012
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Supplementary power connectors
None
None
Boost clock speed
1024 MHz
-
Core clock speed
1024 MHz
797 MHz
Floating-point performance
784.1 gflops
612.1 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,550 million
1,270 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
50 Watt
50 Watt
Texture fill rate
24.50
25.50
Memory type
DDR3/GDDR5
DDR3
Maximum RAM amount
4 GB
2 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
2250 MHz
1782 MHz
Memory bandwidth
28.8 GB/s
28.51 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
DirectX
12.0
12 (11_0)
CUDA
-
3.0
OpenCL
2.0
1.2
OpenGL
4.5
4.6
Shader Model
5.0
5.1
Vulkan
+
1.1.126