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Differences What are the advantages of each

Front view of Radeon HD 6670

Reasons to consider the
AMD Radeon HD 6670

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Higher clock speed 800 MHz vs 500 MHz 60% higher clock speed
Higher effective memory clock speed 4,000 MHz vs 1,600 MHz 2.5x higher effective memory clock speed
More shading units 480 vs 112 368 more shading units
Higher memory clock speed 1,000 MHz vs 800 MHz 25% higher memory clock speed
Front view of GeForce 9800M GTX

Reasons to consider the
Nvidia GeForce 9800M GTX

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More texture mapping units 56 vs 24 32 more texture mapping units
More render output processors 16 vs 8 Twice as many render output processors

Benchmarks Real world tests of Radeon HD 6670 vs GeForce 9800M GTX

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the Radeon HD 6670  vs GeForce 9800M GTX 

memory bandwidth Rate at which data can be read from or stored in onboard memory

Radeon HD 6670
64 GB/s
GeForce 9800M GTX
51.2 GB/s

pixel rate Number of pixels a graphics card can render to the screen every second

Radeon HD 6670
6.4 GPixel/s
GeForce 9800M GTX
8 GPixel/s

texture rate Speed at which a graphics card can perform texture mapping

Radeon HD 6670
19.2 GTexel/s
GeForce 9800M GTX
28 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6670
768 GFLOPS
GeForce 9800M GTX
280 GFLOPS

shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading

texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes

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