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Differences What are the advantages of each

Front view of GeForce GT 720

Reasons to consider the
Nvidia GeForce GT 720

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Higher clock speed 967 MHz vs 810 MHz Around 20% higher clock speed
More memory 2,048 MB vs 1,024 MB 2x more memory
Better floating-point performance 742.7 GFLOPS vs 155.52 GFLOPS More than 4.8x better floating-point performance
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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GPUBoss is not aware of any important advantages of the 520 PCI vs the 720 Retail.

Features Key features of the GeForce GT 720  vs 520 PCI 

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

GeForce GT 720
14.4 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 720
7.74 GPixel/s
GeForce GT 520 PCI
1.62 GPixel/s

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

GeForce GT 720
15.47 GTexel/s
GeForce GT 520 PCI
6.48 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GT 720
742.7 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 720  vs
520 PCI 
GPU brand Nvidia Nvidia
GPU name GK118 GF119
Market Desktop Desktop
Clock speed 967 MHz 810 MHz
Is dual GPU No No
Reference card Nvidia GeForce GT 720 797 MHz 1 GB None

raw performance

Shading units 384 48
Texture mapping units 16 8
Render output processors 8 4
Pixel rate 7.74 GPixel/s 1.62 GPixel/s
Texture rate 15.47 GTexel/s 6.48 GTexel/s
Floating-point performance 742.7 GFLOPS 155.52 GFLOPS

memory

GeForce GT 720  vs
520 PCI 
Memory clock speed 900 MHz 900 MHz
Effective memory clock speed 1,800 MHz 1,800 MHz
Memory bus 64 bit 64 bit
Memory 2,048 MB 1,024 MB
Memory type DDR3 DDR3
Memory bandwidth 14.4 GB/s 14.4 GB/s

noise and power

TDP 19W 29W

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