Radeon HD 5670 and Radeon HD 6670A - video card comparison
Radeon HD 5670
Radeon HD 6670A
Architecture
Terascale 2 (2009−2015)
TeraScale 2 (2009−2015)
GPU code name
Redwood
Turks
Market segment
Desktop
Desktop
Release date
January 2010
April 2011
Interface
PCIe 2.0 x16
MXM-A (3.0)
Supplementary power connectors
None
-
Core clock speed
775 MHz
600 MHz
Floating-point performance
620.0 gflops
576.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
627 million
716 million
Pipelines / CUDA cores
400
480
Power consumption (TDP)
64 Watt
45 Watt
Texture fill rate
15.50
14.40
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1000 MHz
4000 MHz
Memory bandwidth
64 GB/s
64 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
HDMI
+
-
DirectX
11.2 (11_0)
11.2 (11_0)
OpenCL
1.2
1.2
OpenGL
4.4
4.4
Shader Model
5.0
5.0
Vulkan
N/A
N/A