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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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Higher clock speed 800 MHz vs 550 MHz More than 45% higher clock speed
Higher memory clock speed 950 MHz vs 850 MHz More than 10% higher memory clock speed
Lower TDP 30W vs 69W 2.3x lower TDP
Front view of GeForce GT 240

Reasons to consider the
Nvidia GeForce GT 240

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Significantly higher effective memory clock speed 3,400 MHz vs 1,900 MHz Around 80% higher effective memory clock speed
Higher memory bandwidth 54.4 GB/s vs 15.2 GB/s More than 3.5x higher memory bandwidth
Slightly more memory 1,024 MB vs 256 MB 4x more memory
More texture mapping units 32 vs 4 28 more texture mapping units
Slightly higher texture rate 17.6 GTexel/s vs 3.2 GTexel/s 5.5x higher texture rate
Wider memory bus 128 bit vs 64 bit 2x wider memory bus

Benchmarks Real world tests of Radeon HD 3470 vs GeForce GT 240

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the Radeon HD 3470  vs GeForce GT 240 

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

Radeon HD 3470
15.2 GB/s
GeForce GT 240
54.4 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 240
4.4 GPixel/s

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

Radeon HD 3470
3.2 GTexel/s
GeForce GT 240
17.6 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 3470
64 GFLOPS
GeForce GT 240
257.3 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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