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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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Significantly higher memory bandwidth 133.9 GB/s vs 40.1 GB/s More than 3.2x higher memory bandwidth
Higher pixel rate 34.02 GPixel/s vs 7.22 GPixel/s Around 4.8x higher pixel rate
Higher texture rate 68.04 GTexel/s vs 14.43 GTexel/s Around 4.8x higher texture rate
Significantly more render output processors 40 vs 8 32 more render output processors
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
Front view of GeForce GT 730

Reasons to consider the
Nvidia GeForce GT 730

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Higher clock speed 902 MHz vs 608 MHz Around 50% higher clock speed
Significantly higher effective memory clock speed 5,012 MHz vs 3,348 MHz Around 50% higher effective memory clock speed
Significantly higher memory clock speed 1,253 MHz vs 837 MHz Around 50% higher memory clock speed
Much lower TDP 38W vs 215W 5.7x lower TDP

Features Key features of the GeForce GTX 470 PhysX  vs GT 730 

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

GeForce GT 730
40.1 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 730
7.22 GPixel/s

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

GeForce GTX 470 PhysX
68.04 GTexel/s
GeForce GT 730
14.43 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GTX 470 PhysX
1,089 GFLOPS
GeForce GT 730
692.7 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 730 
GPU brand Nvidia Nvidia
GPU name GF100 GK117
Market Desktop Desktop
Clock speed 608 MHz 902 MHz
Is dual GPU No No
Reference card None Nvidia GeForce GT 730 700 MHz 1 GB

raw performance

Shading units 448 384
Texture mapping units 56 16
Render output processors 40 8
Pixel rate 34.02 GPixel/s 7.22 GPixel/s
Texture rate 68.04 GTexel/s 14.43 GTexel/s
Floating-point performance 1,089 GFLOPS 692.7 GFLOPS

memory

GeForce GTX 470 PhysX  vs
GT 730 
Memory clock speed 837 MHz 1,253 MHz
Effective memory clock speed 3,348 MHz 5,012 MHz
Memory bus 320 bit 64 bit
Memory 1,280 MB 1,024 MB
Memory type GDDR5 GDDR5
Memory bandwidth 133.9 GB/s 40.1 GB/s

noise and power

TDP 215W 38W

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