Radeon HD 5570 and GeForce GT 640 OEM - video card comparison
Radeon HD 5570
GeForce GT 640 OEM
Architecture
Terascale 2 (2009−2015)
Kepler (2012−2018)
GPU code name
Redwood
GK107
Market segment
Desktop
Desktop
Release date
February 2010
April 2012
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
None
Core clock speed
650 MHz
797 MHz
Floating-point performance
520.0 gflops
612.1 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
627 million
1,270 million
Pipelines / CUDA cores
400
384
Power consumption (TDP)
39 Watt
50 Watt
Texture fill rate
13.00
25.50
Memory type
DDR3
DDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
667 - 900 MHz
1782 MHz
Memory bandwidth
25.6 GB/s
28.51 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
DirectX
11.2 (11_0)
12 (11_0)
CUDA
-
3.0
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
1.1.126