AMD Radeon HD 6990M Rebrand vs AMD Radeon HD 6390

Comparative analysis of AMD Radeon HD 6990M Rebrand and AMD Radeon HD 6390 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 Rebrand

AMD Radeon HD 6390

Differences

Reasons to consider the AMD Radeon HD 6990M Rebrand

Around 45% higher core clock speed: 800 MHz vs 550 MHz
3.6x more texture fill rate: 32.0 GTexel / s vs 8.8 GTexel / s
2.5x more pipelines: 800 vs 320
3.6x better floating-point performance: 1,280.0 gflops vs 352.0 gflops
4.4x more memory clock speed: 4400 MHz vs 1000 MHz

Core clock speed	800 MHz vs 550 MHz
Texture fill rate	32.0 GTexel / s vs 8.8 GTexel / s
Pipelines	800 vs 320
Floating-point performance	1,280.0 gflops vs 352.0 gflops
Memory clock speed	4400 MHz vs 1000 MHz

Reasons to consider the AMD Radeon HD 6390

2.6x lower typical power consumption: 39 Watt vs 100 Watt

Thermal Design Power (TDP)	39 Watt vs 100 Watt

Compare specifications (specs)

	AMD Radeon HD 6990M Rebrand	AMD Radeon HD 6390
Essentials
Architecture	TeraScale 2	TeraScale 2
Code name	Broadway	Redwood
Launch date	12 July 2011	4 July 2011
Place in performance rating	not rated	not rated
Type	Desktop	Desktop
Technical info
Core clock speed	800 MHz	550 MHz
Floating-point performance	1,280.0 gflops	352.0 gflops
Manufacturing process technology	40 nm	40 nm
Pipelines	800	320
Texture fill rate	32.0 GTexel / s	8.8 GTexel / s
Thermal Design Power (TDP)	100 Watt	39 Watt
Transistor count	1,040 million	627 million
Video outputs and ports
Display Connectors	No outputs	1x DVI, 1x HDMI, 1x VGA
Compatibility, dimensions and requirements
Interface	MXM-B (3.0)	PCIe 2.0 x16
Length		165 mm
Supplementary power connectors		None
API support
DirectX	11.2 (11_0)	11.2 (11_0)
OpenGL	4.4	4.4
Memory
Maximum RAM amount	1 GB	1 GB
Memory bandwidth	70.4 GB / s	16 GB / s
Memory bus width	128 Bit	128 Bit
Memory clock speed	4400 MHz	1000 MHz
Memory type	GDDR5	DDR2