Radeon HD 6930 and Radeon HD 5970 - video card comparison
Radeon HD 6930
Radeon HD 5970
Architecture
TeraScale 3 (2010−2013)
TeraScale 2 (2009−2015)
GPU code name
Cayman
Hemlock
Market segment
Desktop
Desktop
Release date
December 2011
November 2009
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
1x 6-pin + 1x 8-pin
Core clock speed
750 MHz
725 MHz
Floating-point performance
1,920.0 gflops
2x 2,320.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
2,640 million
2,154 million
Pipelines / CUDA cores
1280
1600
Power consumption (TDP)
186 Watt
294 Watt
Texture fill rate
60.00
58.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
4800 MHz
4000 MHz
Memory bandwidth
153.6 GB/s
128.0 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
2x DVI, 1x mini-DisplayPort
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