
Radeon HD 6930 and Radeon HD 6970M - video card comparison
Radeon HD 6930
Radeon HD 6970M
Architecture
TeraScale 3 (2010−2013)
Terascale 2 (2009−2015)
GPU code name
Cayman
Blackcomb XT
Market segment
Desktop
Laptop
Release date
December 2011
January 2011
Interface
PCIe 2.0 x16
MXM-B (3.0)
Supplementary power connectors
2x 6-pin
None
Core clock speed
750 MHz
680 MHz
Floating-point performance
1,920.0 gflops
1,305.6 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
2,640 million
1,700 million
Pipelines / CUDA cores
1280
960
Power consumption (TDP)
186 Watt
75-100 Watt
Texture fill rate
60.00
32.64
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
4800 MHz
900 MHz
Memory bandwidth
153.6 GB/s
115.2 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
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