AMD Radeon HD 6990M vs AMD Radeon HD 6870 X2

Comparative analysis of AMD Radeon HD 6990M and AMD Radeon HD 6870 X2 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: CompuBench 1.5 Desktop - T-Rex (Frames/s).

AMD Radeon HD 6990M

AMD Radeon HD 6870 X2

Differences

Reasons to consider the AMD Radeon HD 6990M

3x lower typical power consumption: 100 Watt vs 300 Watt

Thermal Design Power (TDP)	100 Watt vs 300 Watt

Reasons to consider the AMD Radeon HD 6870 X2

Around 26% higher core clock speed: 900 MHz vs 715 MHz
6.3x more texture fill rate: 2x 50.4 GTexel / s billion / sec vs 40.0 GTexel / s
2x more pipelines: 2x 1120 vs 1120
2.5x better floating-point performance: 2x 2,016.0 gflops vs 1,601.6 gflops
Around 17% higher memory clock speed: 4200 MHz vs 3600 MHz

Core clock speed	900 MHz vs 715 MHz
Texture fill rate	2x 50.4 GTexel / s billion / sec vs 40.0 GTexel / s
Pipelines	2x 1120 vs 1120
Floating-point performance	2x 2,016.0 gflops vs 1,601.6 gflops
Memory clock speed	4200 MHz vs 3600 MHz

Compare benchmarks

GPU 1: AMD Radeon HD 6990M
GPU 2: AMD Radeon HD 6870 X2

Name	AMD Radeon HD 6990M	AMD Radeon HD 6870 X2
CompuBench 1.5 Desktop - T-Rex (Frames/s)		1.807

Compare specifications (specs)

	AMD Radeon HD 6990M	AMD Radeon HD 6870 X2
Essentials
Architecture	TeraScale 2	TeraScale 2
Code name	Blackcomb	Barts
Launch date	12 July 2011	8 July 2011
Place in performance rating	not rated	1607
Type	Laptop	Desktop
Launch price (MSRP)		$520
Technical info
Core clock speed	715 MHz	900 MHz
Floating-point performance	1,601.6 gflops	2x 2,016.0 gflops
Manufacturing process technology	40 nm	40 nm
Pipelines	1120	2x 1120
Texture fill rate	40.0 GTexel / s	2x 50.4 GTexel / s billion / sec
Thermal Design Power (TDP)	100 Watt	300 Watt
Transistor count	1,700 million	1,700 million
Video outputs and ports
Display Connectors	No outputs	2x DVI, 1x HDMI, 2x mini-DisplayPort
Compatibility, dimensions and requirements
Interface	MXM-B (3.0)	PCIe 2.0 x16
Laptop size	large
Supplementary power connectors	None
Length		304 mm
API support
DirectX	11.2 (11_0)	11.2 (11_0)
OpenGL	4.4	4.4
Memory
Maximum RAM amount	2 GB	2x 1 GB
Memory bandwidth	115.2 GB / s	2x 134.4 GB / s
Memory bus width	256 Bit	2x 256 Bit
Memory clock speed	3600 MHz	4200 MHz
Memory type	GDDR5	GDDR5
Shared memory	0