Radeon HD 5670 and Radeon HD 6390 - video card comparison
Radeon HD 5670
Radeon HD 6390
Architecture
Terascale 2 (2009−2015)
TeraScale 2 (2009−2015)
GPU code name
Redwood
Redwood
Market segment
Desktop
Desktop
Release date
January 2010
July 2011
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Core clock speed
775 MHz
550 MHz
Floating-point performance
620.0 gflops
352.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
627 million
627 million
Pipelines / CUDA cores
400
320
Power consumption (TDP)
64 Watt
39 Watt
Texture fill rate
15.50
8.800
Memory type
GDDR5
DDR2
Maximum RAM amount
1 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1000 MHz
1000 MHz
Memory bandwidth
64 GB/s
16 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x DVI, 1x HDMI, 1x VGA
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