Radeon HD 7670M and Radeon HD 6390 - video card comparison
Radeon HD 7670M
Radeon HD 6390
Architecture
Terascale 2 (2009−2015)
TeraScale 2 (2009−2015)
GPU code name
Thames XT
Redwood
Market segment
Laptop
Desktop
Release date
June 2011
July 2011
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
None
Core clock speed
600 MHz
550 MHz
Floating-point performance
576.0 gflops
352.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
716 million
627 million
Pipelines / CUDA cores
480
320
Power consumption (TDP)
20 Watt
39 Watt
Texture fill rate
14.40
8.800
Memory type
DDR3, (GDDR5)
DDR2
Maximum RAM amount
2 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1800 MHz
1000 MHz
Memory bandwidth
28.8 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
No outputs
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