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Differences What are the advantages of each

Front view of Radeon HD 5630

Reasons to consider the
ATi Radeon HD 5630

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More shading units 320 vs 48 272 more shading units
More render output processors 8 vs 2 6 more render output processors
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
Front view of GeForce GT 520

Reasons to consider the
Nvidia GeForce GT 520

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Higher clock speed 810 MHz vs 650 MHz Around 25% higher clock speed
Higher effective memory clock speed 1,796 MHz vs 780 MHz More than 2.2x higher effective memory clock speed
More memory 2,048 MB vs 1,024 MB 2x more memory
Significantly higher memory clock speed 898 MHz vs 390 MHz More than 2.2x higher memory clock speed

Features Key features of the Radeon HD 5630  vs GeForce GT 520 

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

Radeon HD 5630
12.48 GB/s
GeForce GT 520
14.37 GB/s

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

Radeon HD 5630
5.2 GPixel/s
GeForce GT 520
1.62 GPixel/s

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

Radeon HD 5630
10.4 GTexel/s
GeForce GT 520
6.48 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 5630
416 GFLOPS
GeForce GT 520
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

Radeon HD 5630  vs
GeForce GT 520 
GPU brand ATI Nvidia
GPU name Redwood GF108
Market Desktop Desktop
Clock speed 650 MHz 810 MHz
Is dual GPU No No
Reference card None Nvidia GeForce GT 520 810 MHz 1 GB

raw performance

Shading units 320 48
Texture mapping units 16 8
Render output processors 8 2
Pixel rate 5.2 GPixel/s 1.62 GPixel/s
Texture rate 10.4 GTexel/s 6.48 GTexel/s
Floating-point performance 416 GFLOPS 155.52 GFLOPS

memory

Radeon HD 5630  vs
GeForce GT 520 
Memory clock speed 390 MHz 898 MHz
Effective memory clock speed 780 MHz 1,796 MHz
Memory bus 128 bit 64 bit
Memory 1,024 MB 2,048 MB
Memory type GDDR3 DDR3
Memory bandwidth 12.48 GB/s 14.37 GB/s

noise and power

TDP 39W 29W

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