Radeon HD 8970M Crossfire and Radeon HD 7970M Crossfire - video card comparison
Radeon HD 8970M Crossfire
Radeon HD 7970M Crossfire
Architecture
GCN (2011−2017)
GCN (2011−2017)
GPU code name
Neptune CF
Wimbledon XT
Market segment
Laptop
Laptop
Release date
May 2012
May 2012
Boost clock speed
900 MHz
-
Core clock speed
850 MHz
850 MHz
Manufacturing process technology
28 nm
28 nm
Pipelines / CUDA cores
2560
2560
Power consumption (TDP)
200 Watt
200 Watt
Memory type
GDDR5
GDDR5
Memory bus width
2x 256 Bit
2x 256 Bit
Memory clock speed
4800 MHz
4800 MHz
Shared memory
-
-
DirectX
11.1
11.1