
Radeon HD 6930 and FireStream 9270 - video card comparison
Radeon HD 6930
FireStream 9270
Architecture
TeraScale 3 (2010−2013)
TeraScale (2005−2013)
GPU code name
Cayman
RV770
Market segment
Desktop
Desktop
Release date
December 2011
November 2008
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
2x 6-pin
Core clock speed
750 MHz
750 MHz
Floating-point performance
1,920.0 gflops
1,200.0 gflops
Manufacturing process technology
40 nm
55 nm
Number of transistors
2,640 million
956 million
Pipelines / CUDA cores
1280
800
Power consumption (TDP)
186 Watt
160 Watt
Texture fill rate
60.00
30.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
4800 MHz
3600 MHz
Memory bandwidth
153.6 GB/s
115.2 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI
HDMI
+
-
DirectX
11.2 (11_0)
10.1 (10_1)
OpenCL
1.2
1.1
OpenGL
4.4
3.3
Shader Model
5.0
4.1
Vulkan
N/A
N/A