AMD Radeon HD 7970M Crossfire vs AMD Radeon HD 8970M Crossfire

Comparative analysis of AMD Radeon HD 7970M Crossfire and AMD Radeon HD 8970M Crossfire videocards for all known characteristics in the following categories: Essentials, Technical info, Compatibility, dimensions and requirements, API support, Memory.

AMD Radeon HD 7970M Crossfire

AMD Radeon HD 8970M Crossfire

Compare specifications (specs)

	AMD Radeon HD 7970M Crossfire	AMD Radeon HD 8970M Crossfire
Essentials
Architecture	GCN	GCN
Code name	Wimbledon XT	Neptune CF
Launch date	1 May 2012	1 May 2012
Place in performance rating	not rated	not rated
Type	Laptop	Laptop
Technical info
Core clock speed	850 MHz	850 MHz
Manufacturing process technology	28 nm	28 nm
Pipelines	2560	2560
Thermal Design Power (TDP)	200 Watt	200 Watt
Boost clock speed		900 MHz
Compatibility, dimensions and requirements
Laptop size	large	large
API support
DirectX	11.1	11.1
Memory
Memory bus width	2x 256 Bit	2x 256 Bit
Memory clock speed	4800 MHz	4800 MHz
Memory type	GDDR5	GDDR5
Shared memory	0	0