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Differences What are the advantages of each

Front view of Radeon HD 8570

Reasons to consider the
AMD Radeon HD 8570

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More memory 2,048 MB vs 256 MB 8x more memory
Better PassMark score 968 vs 147 More than 6.5x better PassMark score
Slightly better floating-point performance 599 GFLOPS vs 64 GFLOPS More than 9.2x better floating-point performance
Slightly higher memory bandwidth 28.8 GB/s vs 15.2 GB/s Around 90% higher memory bandwidth
Slightly higher texture rate 18.72 GTexel/s vs 3.2 GTexel/s More than 5.8x higher texture rate
More shading units 384 vs 40 344 more shading units
More texture mapping units 24 vs 4 20 more texture mapping units
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
Slightly more compute units 6 vs 2 Three times as many compute units
Front view of Radeon HD 3470

Reasons to consider the
ATi Radeon HD 3470

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Slightly higher clock speed 800 MHz vs 730 MHz Around 10% higher clock speed
Slightly lower TDP 30W vs 50W 40% lower TDP

Benchmarks Real world tests of Radeon HD 8570 vs 3470

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the Radeon HD 8570  vs 3470 

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

Radeon HD 8570
28.8 GB/s
Radeon HD 3470
15.2 GB/s

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

Radeon HD 8570
6.24 GPixel/s
Radeon HD 3470
3.2 GPixel/s

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

Radeon HD 8570
18.72 GTexel/s
Radeon HD 3470
3.2 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 8570
599 GFLOPS
Radeon HD 3470
64 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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