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Differences What are the advantages of each

Front view of GeForce GT 730

Reasons to consider the
Nvidia GeForce GT 730

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Much higher effective memory clock speed 5,012 MHz vs 1,800 MHz More than 2.8x higher effective memory clock speed
Higher clock speed 902 MHz vs 810 MHz More than 10% higher clock speed
Higher memory bandwidth 40.1 GB/s vs 14.4 GB/s More than 2.8x higher memory bandwidth
Slightly better floating-point performance 692.7 GFLOPS vs 155.52 GFLOPS Around 4.5x better floating-point performance
Significantly higher memory clock speed 1,253 MHz vs 900 MHz Around 40% higher memory clock speed
More shading units 384 vs 48 336 more shading units
Front view of GeForce GT 520 PCI

Reasons to consider the
Nvidia GeForce GT 520 PCI

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Slightly lower TDP 29W vs 38W Around 25% lower TDP

Features Key features of the GeForce GT 730  vs 520 PCI 

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

GeForce GT 730
40.1 GB/s
GeForce GT 520 PCI
14.4 GB/s

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

GeForce GT 730
7.22 GPixel/s
GeForce GT 520 PCI
1.62 GPixel/s

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

GeForce GT 730
14.43 GTexel/s
GeForce GT 520 PCI
6.48 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GT 730
692.7 GFLOPS
GeForce GT 520 PCI
155.52 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 GT 730  vs
520 PCI 
GPU brand Nvidia Nvidia
GPU name GK117 GF119
Market Desktop Desktop
Clock speed 902 MHz 810 MHz
Is dual GPU No No
Reference card Nvidia GeForce GT 730 700 MHz 1 GB None

raw performance

Shading units 384 48
Texture mapping units 16 8
Render output processors 8 4
Pixel rate 7.22 GPixel/s 1.62 GPixel/s
Texture rate 14.43 GTexel/s 6.48 GTexel/s
Floating-point performance 692.7 GFLOPS 155.52 GFLOPS

memory

GeForce GT 730  vs
520 PCI 
Memory clock speed 1,253 MHz 900 MHz
Effective memory clock speed 5,012 MHz 1,800 MHz
Memory bus 64 bit 64 bit
Memory 1,024 MB 1,024 MB
Memory type GDDR5 DDR3
Memory bandwidth 40.1 GB/s 14.4 GB/s

noise and power

TDP 38W 29W

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