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Differences What are the advantages of each

Front view of Radeon HD 5770

Reasons to consider the
ATi Radeon HD 5770

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Much higher effective memory clock speed 4,800 MHz vs 1,800 MHz Around 2.8x higher effective memory clock speed
Higher memory bandwidth 76.8 GB/s vs 14.4 GB/s More than 5.2x higher memory bandwidth
Better floating-point performance 1,360 GFLOPS vs 155.52 GFLOPS Around 8.8x better floating-point performance
More shading units 800 vs 48 752 more shading units
Higher texture rate 34 GTexel/s vs 6.48 GTexel/s Around 5.2x higher texture rate
Higher pixel rate 13.6 GPixel/s vs 1.62 GPixel/s Around 8.5x higher pixel rate
More texture mapping units 40 vs 8 32 more texture mapping units
More render output processors 16 vs 4 12 more render output processors
Higher memory clock speed 1,200 MHz vs 900 MHz Around 35% higher memory clock speed
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
Front view of GeForce GT 520 PCI

Reasons to consider the
Nvidia GeForce GT 520 PCI

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Lower TDP 29W vs 108W 3.7x lower TDP

Features Key features of the Radeon HD 5770  vs GeForce GT 520 PCI 

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

Radeon HD 5770
76.8 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

Radeon HD 5770
13.6 GPixel/s
GeForce GT 520 PCI
1.62 GPixel/s

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

Radeon HD 5770
34 GTexel/s
GeForce GT 520 PCI
6.48 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 5770
1,360 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

Radeon HD 5770  vs
GeForce GT 520 PCI 
GPU brand ATI Nvidia
GPU name Juniper GF119
Market Desktop Desktop
Clock speed 850 MHz 810 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 800 48
Texture mapping units 40 8
Render output processors 16 4
Pixel rate 13.6 GPixel/s 1.62 GPixel/s
Texture rate 34 GTexel/s 6.48 GTexel/s
Floating-point performance 1,360 GFLOPS 155.52 GFLOPS

memory

Radeon HD 5770  vs
GeForce GT 520 PCI 
Memory clock speed 1,200 MHz 900 MHz
Effective memory clock speed 4,800 MHz 1,800 MHz
Memory bus 128 bit 64 bit
Memory 1,024 MB 1,024 MB
Memory type GDDR5 DDR3
Memory bandwidth 76.8 GB/s 14.4 GB/s

noise and power

TDP 108W 29W

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