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Differences What are the advantages of each

Front view of GeForce GTX 470 PhysX

Reasons to consider the
Nvidia GeForce GTX 470 PhysX

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Much higher memory bandwidth 133.9 GB/s vs 12.8 GB/s Around 10.5x higher memory bandwidth
Significantly higher effective memory clock speed 3,348 MHz vs 1,600 MHz More than 2x higher effective memory clock speed
Higher pixel rate 34.02 GPixel/s vs 2.8 GPixel/s Around 12.2x higher pixel rate
Many more render output processors 40 vs 4 36 more render output processors
Higher texture rate 68.04 GTexel/s vs 11.2 GTexel/s More than 6x higher texture rate
Better floating-point performance 1,089 GFLOPS vs 268.8 GFLOPS More than 4x better floating-point performance
Slightly more memory 1,280 MB vs 512 MB 2.5x more memory
Much wider memory bus 320 bit vs 64 bit 5x wider memory bus
More texture mapping units 56 vs 16 40 more texture mapping units
More shading units 448 vs 96 352 more shading units
Front view of GeForce GT 430

Reasons to consider the
Nvidia GeForce GT 430

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Higher clock speed 700 MHz vs 608 MHz More than 15% higher clock speed
Much lower TDP 49W vs 215W 4.4x lower TDP

Features Key features of the GeForce GTX 470 PhysX  vs GT 430 

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

GeForce GT 430
12.8 GB/s

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

GeForce GTX 470 PhysX
34.02 GPixel/s
GeForce GT 430
2.8 GPixel/s

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

GeForce GTX 470 PhysX
68.04 GTexel/s
GeForce GT 430
11.2 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GTX 470 PhysX
1,089 GFLOPS
GeForce GT 430
268.8 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

Specifications Full list of technical specs

gpu

GeForce GTX 470 PhysX  vs
GT 430 
GPU brand Nvidia Nvidia
GPU name GF100 GF108
Market Desktop Desktop
Clock speed 608 MHz 700 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 448 96
Texture mapping units 56 16
Render output processors 40 4
Pixel rate 34.02 GPixel/s 2.8 GPixel/s
Texture rate 68.04 GTexel/s 11.2 GTexel/s
Floating-point performance 1,089 GFLOPS 268.8 GFLOPS

memory

GeForce GTX 470 PhysX  vs
GT 430 
Memory clock speed 837 MHz 800 MHz
Effective memory clock speed 3,348 MHz 1,600 MHz
Memory bus 320 bit 64 bit
Memory 1,280 MB 512 MB
Memory type GDDR5 DDR3
Memory bandwidth 133.9 GB/s 12.8 GB/s

noise and power

TDP 215W 49W

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