AMD Radeon HD 6990M vs AMD Radeon HD 6990M Rebrand

Comparative analysis of AMD Radeon HD 6990M and AMD Radeon HD 6990M Rebrand videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory.

AMD Radeon HD 6990M

AMD Radeon HD 6990M Rebrand

Differences

Reasons to consider the AMD Radeon HD 6990M

Around 25% higher texture fill rate: 40.0 GTexel / s vs 32.0 GTexel / s
Around 40% higher pipelines: 1120 vs 800
Around 25% better floating-point performance: 1,601.6 gflops vs 1,280.0 gflops
2x more maximum memory size: 2 GB vs 1 GB

Texture fill rate	40.0 GTexel / s vs 32.0 GTexel / s
Pipelines	1120 vs 800
Floating-point performance	1,601.6 gflops vs 1,280.0 gflops
Maximum memory size	2 GB vs 1 GB

Reasons to consider the AMD Radeon HD 6990M Rebrand

Around 12% higher core clock speed: 800 MHz vs 715 MHz
Around 22% higher memory clock speed: 4400 MHz vs 3600 MHz

Core clock speed	800 MHz vs 715 MHz
Memory clock speed	4400 MHz vs 3600 MHz

Compare specifications (specs)

	AMD Radeon HD 6990M	AMD Radeon HD 6990M Rebrand
Essentials
Architecture	TeraScale 2	TeraScale 2
Code name	Blackcomb	Broadway
Launch date	12 July 2011	12 July 2011
Place in performance rating	not rated	not rated
Type	Laptop	Desktop
Technical info
Core clock speed	715 MHz	800 MHz
Floating-point performance	1,601.6 gflops	1,280.0 gflops
Manufacturing process technology	40 nm	40 nm
Pipelines	1120	800
Texture fill rate	40.0 GTexel / s	32.0 GTexel / s
Thermal Design Power (TDP)	100 Watt	100 Watt
Transistor count	1,700 million	1,040 million
Video outputs and ports
Display Connectors	No outputs	No outputs
Compatibility, dimensions and requirements
Interface	MXM-B (3.0)	MXM-B (3.0)
Laptop size	large
Supplementary power connectors	None
API support
DirectX	11.2 (11_0)	11.2 (11_0)
OpenGL	4.4	4.4
Memory
Maximum RAM amount	2 GB	1 GB
Memory bandwidth	115.2 GB / s	70.4 GB / s
Memory bus width	256 Bit	128 Bit
Memory clock speed	3600 MHz	4400 MHz
Memory type	GDDR5	GDDR5
Shared memory	0