Radeon HD 6950M and Radeon HD 6970M X2 - video card comparison
Radeon HD 6950M
Radeon HD 6970M X2
Architecture
Terascale 2 (2009−2015)
TeraScale 2 (2009−2015)
GPU code name
Blackcomb Pro
Blackcomb
Market segment
Laptop
Desktop
Release date
January 2011
January 2011
Interface
MXM-B (3.0)
MXM-B (3.0)
Supplementary power connectors
-
None
Core clock speed
580 MHz
680 MHz
Floating-point performance
1,113.6 gflops
-
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,700 million
1,700 million
Pipelines / CUDA cores
960
960
Power consumption (TDP)
50 Watt
150 Watt
Texture fill rate
27.84
32.64
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
900 MHz
3.6 GB/s
Memory bandwidth
115.2 GB/s
115.2 GB/s
Shared memory
-
-
Display Connectors
No outputs
Portable Device Dependent
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