AMD Radeon HD 7660D vs ATI Radeon HD 4850 X2

Comparative analysis of AMD Radeon HD 7660D and ATI Radeon HD 4850 X2 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.

AMD Radeon HD 7660D

ATI Radeon HD 4850 X2

Differences

Reasons to consider the AMD Radeon HD 7660D

Videocard is newer: launch date 3 year(s) 10 month(s) later
Around 1% higher core clock speed: 633 MHz vs 625 MHz
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 32 nm vs 55 nm

Launch date	26 September 2012 vs 7 November 2008
Core clock speed	633 MHz vs 625 MHz
Manufacturing process technology	32 nm vs 55 nm

Reasons to consider the ATI Radeon HD 4850 X2

4.2x more pipelines: 2x 800 vs 384
3x better performance in PassMark - G2D Mark: 542 vs 178
2.2x better performance in PassMark - G3D Mark: 1132 vs 509

Specifications (specs)
Pipelines	2x 800 vs 384
Benchmarks
PassMark - G2D Mark	542 vs 178
PassMark - G3D Mark	1132 vs 509

Compare benchmarks

GPU 1: AMD Radeon HD 7660D
GPU 2: ATI Radeon HD 4850 X2

PassMark - G2D Mark

GPU 1

GPU 2

178

542

PassMark - G3D Mark

GPU 1

GPU 2

509

1132

Name	AMD Radeon HD 7660D	ATI Radeon HD 4850 X2
Geekbench - OpenCL	2107
GFXBench 4.0 - Car Chase Offscreen (Frames)	1001
GFXBench 4.0 - Car Chase Offscreen (Fps)	1001
GFXBench 4.0 - Manhattan (Frames)	2159
GFXBench 4.0 - Manhattan (Fps)	2159
GFXBench 4.0 - T-Rex (Frames)	3327
GFXBench 4.0 - T-Rex (Fps)	3327
PassMark - G2D Mark	178	542
PassMark - G3D Mark	509	1132

Compare specifications (specs)

	AMD Radeon HD 7660D	ATI Radeon HD 4850 X2
Essentials
Architecture	Terascale 3	TeraScale
Code name	Trinity	R700
Launch date	26 September 2012	7 November 2008
Place in performance rating	1173	275
Type	Desktop	Desktop
Launch price (MSRP)		$420
Technical info
Boost clock speed	800 MHz
Core clock speed	633 MHz	625 MHz
Manufacturing process technology	32 nm	55 nm
Pipelines	384	2x 800
Floating-point performance		2x 1,000.0 gflops
Texture fill rate		2x 25 GTexel / s billion / sec
Thermal Design Power (TDP)		250 Watt
Transistor count		956 million
API support
DirectX	11	10.1
OpenGL		3.3
Memory
Shared memory	1
Maximum RAM amount		2x 512 MB
Memory bandwidth		2x 63.7 GB / s
Memory bus width		2x 256 Bit
Memory clock speed		1990 MHz
Memory type		GDDR3
Video outputs and ports
Display Connectors		4x DVI, 1x S-Video
Compatibility, dimensions and requirements
Interface		PCIe 2.0 x16
Length		267 mm
Supplementary power connectors		1x 6-pin + 1x 8-pin