AMD Radeon HD 7660D vs AMD Radeon HD 6490M

Comparative analysis of AMD Radeon HD 7660D and AMD Radeon HD 6490M videocards for all known characteristics in the following categories: Essentials, Technical info, API support, Memory, Video outputs and ports, Compatibility, dimensions and requirements. Benchmark videocards performance analysis: Geekbench - OpenCL, GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), PassMark - G2D Mark, PassMark - G3D Mark, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

AMD Radeon HD 7660D

AMD Radeon HD 6490M

Differences

Reasons to consider the AMD Radeon HD 7660D

Videocard is newer: launch date 1 year(s) 8 month(s) later
2.4x more pipelines: 384 vs 160
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 32 nm vs 40 nm
Around 54% better performance in GFXBench 4.0 - Manhattan (Frames): 2159 vs 1405
Around 54% better performance in GFXBench 4.0 - Manhattan (Fps): 2159 vs 1405
Around 31% better performance in GFXBench 4.0 - T-Rex (Frames): 3327 vs 2543
Around 31% better performance in GFXBench 4.0 - T-Rex (Fps): 3327 vs 2543
Around 33% better performance in PassMark - G3D Mark: 502 vs 378

Specifications (specs)
Launch date	26 September 2012 vs 4 January 2011
Pipelines	384 vs 160
Manufacturing process technology	32 nm vs 40 nm
Benchmarks
GFXBench 4.0 - Manhattan (Frames)	2159 vs 1405
GFXBench 4.0 - Manhattan (Fps)	2159 vs 1405
GFXBench 4.0 - T-Rex (Frames)	3327 vs 2543
GFXBench 4.0 - T-Rex (Fps)	3327 vs 2543
PassMark - G3D Mark	502 vs 378

Reasons to consider the AMD Radeon HD 6490M

Around 26% higher core clock speed: 800 MHz vs 633 MHz
2.4x better performance in Geekbench - OpenCL: 4866 vs 2009
2.9x better performance in PassMark - G2D Mark: 514 vs 178

Specifications (specs)
Core clock speed	800 MHz vs 633 MHz
Benchmarks
Geekbench - OpenCL	4866 vs 2009
PassMark - G2D Mark	514 vs 178

Compare benchmarks

GPU 1: AMD Radeon HD 7660D
GPU 2: AMD Radeon HD 6490M

Geekbench - OpenCL

GPU 1

GPU 2

2009

4866

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

2159

1405

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

2159

1405

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

3327

2543

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

3327

2543

PassMark - G2D Mark

GPU 1

GPU 2

178

514

PassMark - G3D Mark

GPU 1

GPU 2

502

378

Name	AMD Radeon HD 7660D	AMD Radeon HD 6490M
Geekbench - OpenCL	2009	4866
GFXBench 4.0 - Car Chase Offscreen (Frames)	1001
GFXBench 4.0 - Car Chase Offscreen (Fps)	1001
GFXBench 4.0 - Manhattan (Frames)	2159	1405
GFXBench 4.0 - Manhattan (Fps)	2159	1405
GFXBench 4.0 - T-Rex (Frames)	3327	2543
GFXBench 4.0 - T-Rex (Fps)	3327	2543
PassMark - G2D Mark	178	514
PassMark - G3D Mark	502	378
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		2.554
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		96.344
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0
CompuBench 1.5 Desktop - Video Composition (Frames/s)		6.001
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		10.814

Compare specifications (specs)

	AMD Radeon HD 7660D	AMD Radeon HD 6490M
Essentials
Architecture	Terascale 3	TeraScale 2
Code name	Trinity	Seymour
Launch date	26 September 2012	4 January 2011
Place in performance rating	1184	1186
Type	Desktop	Laptop
Launch price (MSRP)		$1,193.03
Price now		$1,193.03
Value for money (0-100)		0.39
Technical info
Boost clock speed	800 MHz
Core clock speed	633 MHz	800 MHz
Manufacturing process technology	32 nm	40 nm
Pipelines	384	160
Floating-point performance		256 gflops
Texture fill rate		6.4 GTexel / s
Transistor count		370 million
API support
DirectX	11	11.2 (11_0)
OpenGL		4.4
Memory
Shared memory	1	0
Maximum RAM amount		512 MB
Memory bandwidth		25.6 GB / s
Memory bus width		64 Bit
Memory clock speed		3200 MHz
Memory type		DDR3 / GDDR5
Video outputs and ports
Display Connectors		No outputs
Compatibility, dimensions and requirements
Interface		PCIe 2.0 x16