AMD Radeon HD 6490M Mac Edition vs AMD Radeon HD 6650A

Comparative analysis of AMD Radeon HD 6490M Mac Edition and AMD Radeon HD 6650A 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: PassMark - G2D Mark, PassMark - G3D Mark.

AMD Radeon HD 6490M Mac Edition

AMD Radeon HD 6650A

Differences

Reasons to consider the AMD Radeon HD 6490M Mac Edition

Around 25% higher core clock speed: 750 MHz vs 600 MHz
Around 76% higher memory clock speed: 3176 MHz vs 1800 MHz

Core clock speed	750 MHz vs 600 MHz
Memory clock speed	3176 MHz vs 1800 MHz

Reasons to consider the AMD Radeon HD 6650A

2.4x more texture fill rate: 14.4 GTexel / s vs 6 GTexel / s
3x more pipelines: 480 vs 160
2.4x better floating-point performance: 576.0 gflops vs 240 gflops
4x more maximum memory size: 1 GB vs 256 MB

Texture fill rate	14.4 GTexel / s vs 6 GTexel / s
Pipelines	480 vs 160
Floating-point performance	576.0 gflops vs 240 gflops
Maximum memory size	1 GB vs 256 MB

Compare benchmarks

GPU 1: AMD Radeon HD 6490M Mac Edition
GPU 2: AMD Radeon HD 6650A

Name	AMD Radeon HD 6490M Mac Edition	AMD Radeon HD 6650A
PassMark - G2D Mark		418
PassMark - G3D Mark		836

Compare specifications (specs)

	AMD Radeon HD 6490M Mac Edition	AMD Radeon HD 6650A
Essentials
Architecture	TeraScale 2	TeraScale 2
Code name	Seymour	Onega
Launch date	2 May 2011	19 April 2011
Place in performance rating	not rated	352
Type	Desktop	Desktop
Technical info
Core clock speed	750 MHz	600 MHz
Floating-point performance	240 gflops	576.0 gflops
Manufacturing process technology	40 nm	40 nm
Pipelines	160	480
Texture fill rate	6 GTexel / s	14.4 GTexel / s
Transistor count	370 million	716 million
Thermal Design Power (TDP)		45 Watt
Video outputs and ports
Display Connectors	No outputs	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	MXM-A (3.0)
API support
DirectX	11.2 (11_0)	11.2 (11_0)
OpenGL	4.4	4.4
Memory
Maximum RAM amount	256 MB	1 GB
Memory bandwidth	25.41 GB / s	28.8 GB / s
Memory bus width	64 Bit	128 Bit
Memory clock speed	3176 MHz	1800 MHz
Memory type	GDDR5	DDR3