Radeon HD 7570 and GeForce GT 640 OEM Rebrand - video card comparison
Radeon HD 7570
GeForce GT 640 OEM Rebrand
Architecture
TeraScale 2 (2009−2015)
Fermi 2.0 (2010−2014)
GPU code name
Turks
GF116
Market segment
Desktop
Desktop
Release date
January 2012
April 2012
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Core clock speed
650 MHz
720 MHz
Floating-point performance
624 gflops
414.7 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
716 million
1,170 million
Pipelines / CUDA cores
480
144
Power consumption (TDP)
60 Watt
75 Watt
Texture fill rate
15.60
17.28
Memory type
DDR3, GDDR5
DDR3
Maximum RAM amount
2 GB
1536 MB
Memory bus width
128 Bit
192 Bit
Memory clock speed
1600 MHz
1600 MHz
Memory bandwidth
64 GB/s
38.4 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
2x DVI, 1x mini-HDMI
HDMI
+
+
DirectX
11.2 (11_0)
12 (11_0)
CUDA
-
2.1
OpenCL
1.2
1.1
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
N/A