Radeon HD 7470 OEM and GeForce GTX 645 OEM - video card comparison
Radeon HD 7470 OEM
GeForce GTX 645 OEM
Architecture
TeraScale 2 (2009−2015)
Kepler (2012−2018)
GPU code name
Caicos
GK106
Market segment
Desktop
Desktop
Release date
January 2012
April 2013
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
None
Core clock speed
750 MHz
824 MHz
Floating-point performance
240.0 gflops
949.2 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
370 million
2,540 million
Pipelines / CUDA cores
160
576
Power consumption (TDP)
27 Watt
65 Watt
Texture fill rate
6.000
39.55
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
3600 MHz
4000 MHz
Memory bandwidth
28.8 GB/s
64 GB/s
Display Connectors
1x DVI, 1x DisplayPort
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