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Differences What are the advantages of each

Front view of GeForce GT 520 PCI

Reasons to consider the
Nvidia GeForce GT 520 PCI

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Lower TDP 29W vs 65W 2.2x lower TDP
Front view of GeForce GT 440

Reasons to consider the
Nvidia GeForce GT 440

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Slightly higher memory bandwidth 28.8 GB/s vs 14.4 GB/s 2x higher memory bandwidth
Wider memory bus 128 bit vs 64 bit 2x wider memory bus

Features Key features of the GeForce GT 520 PCI  vs 440 

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

GeForce GT 520 PCI
14.4 GB/s
GeForce GT 440
28.8 GB/s

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

GeForce GT 520 PCI
1.62 GPixel/s
GeForce GT 440
3.24 GPixel/s

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

GeForce GT 520 PCI
6.48 GTexel/s
GeForce GT 440
12.96 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GT 520 PCI
155.52 GFLOPS
GeForce GT 440
311.04 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 520 PCI  vs
440 
GPU brand Nvidia Nvidia
GPU name GF119 GF108
Market Desktop Desktop
Clock speed 810 MHz 810 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 48 96
Texture mapping units 8 16
Render output processors 4 4
Pixel rate 1.62 GPixel/s 3.24 GPixel/s
Texture rate 6.48 GTexel/s 12.96 GTexel/s
Floating-point performance 155.52 GFLOPS 311.04 GFLOPS

memory

GeForce GT 520 PCI  vs
440 
Memory clock speed 900 MHz 900 MHz
Effective memory clock speed 1,800 MHz 1,800 MHz
Memory bus 64 bit 128 bit
Memory 1,024 MB 1,024 MB
Memory type DDR3 DDR3
Memory bandwidth 14.4 GB/s 28.8 GB/s

noise and power

TDP 29W 65W

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