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Differences What are the advantages of each

Front view of Radeon HD 3470

Reasons to consider the
ATi Radeon HD 3470

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Lower TDP 30W vs 65W 2.2x lower TDP
Front view of GeForce GT 440

Reasons to consider the
Nvidia GeForce GT 440

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Better PassMark score 840 vs 147 Around 5.8x better PassMark score
Slightly more memory 1,024 MB vs 256 MB 4x more memory
Slightly higher memory bandwidth 28.8 GB/s vs 15.2 GB/s Around 90% higher memory bandwidth
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
Slightly more texture mapping units 16 vs 4 12 more texture mapping units

Benchmarks Real world tests of Radeon HD 3470 vs GeForce GT 440

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the Radeon HD 3470  vs GeForce GT 440 

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

Radeon HD 3470
15.2 GB/s
GeForce GT 440
28.8 GB/s

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

Radeon HD 3470
3.2 GPixel/s
GeForce GT 440
3.24 GPixel/s

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

Radeon HD 3470
3.2 GTexel/s
GeForce GT 440
12.96 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 3470
64 GFLOPS
GeForce GT 440
311.04 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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