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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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Significantly higher clock speed 800 MHz vs 450 MHz Around 80% higher clock speed
Significantly higher effective memory clock speed 4,000 MHz vs 1,400 MHz More than 2.8x higher effective memory clock speed
Slightly better PassMark score 1,052 vs 297 More than 3.5x better PassMark score
Higher memory bandwidth 64 GB/s vs 22.4 GB/s More than 2.8x higher memory bandwidth
More shading units 480 vs 48 432 more shading units
Higher memory clock speed 1,000 MHz vs 700 MHz Around 45% higher memory clock speed
Front view of GeForce GT 325M

Reasons to consider the
Nvidia GeForce GT 325M

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Lower TDP 23W vs 66W 2.9x lower TDP

Benchmarks Real world tests of Radeon HD 6670 vs GeForce GT 325M

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the Radeon HD 6670  vs GeForce GT 325M 

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

Radeon HD 6670
64 GB/s
GeForce GT 325M
22.4 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 GT 325M
3.6 GPixel/s

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

Radeon HD 6670
19.2 GTexel/s
GeForce GT 325M
7.2 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6670
768 GFLOPS
GeForce GT 325M
95.04 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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