Radeon HD 5670 and GeForce GTX 745 OEM - video card comparison
Radeon HD 5670
GeForce GTX 745 OEM
Architecture
Terascale 2 (2009−2015)
Maxwell (2014−2018)
GPU code name
Redwood
GM107
Market segment
Desktop
Desktop
Release date
January 2010
February 2014
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
None
Core clock speed
775 MHz
1033 MHz
Floating-point performance
620.0 gflops
793.3 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
627 million
1,870 million
Pipelines / CUDA cores
400
384
Power consumption (TDP)
64 Watt
55 Watt
Texture fill rate
15.50
24.79
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
4 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1000 MHz
1800 MHz
Memory bandwidth
64 GB/s
28.8 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x DVI, 1x HDMI, 1x VGA
HDMI
+
+
DirectX
11.2 (11_0)
12 (11_0)
CUDA
-
5.0
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
1.1.126