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Differences What are the advantages of each

Front view of Radeon HD 8550

Reasons to consider the
AMD Radeon HD 8550

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Significantly lower TDP 60W vs 170W 2.8x lower TDP
Front view of GeForce GTX 560 Ti

Reasons to consider the
MSI GeForce GTX 560 Ti

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Much higher effective memory clock speed 4,200 MHz vs 1,600 MHz Around 2.8x higher effective memory clock speed
Much higher memory bandwidth 134.4 GB/s vs 25.6 GB/s 5.2x higher memory bandwidth
Higher clock speed 950 MHz vs 650 MHz More than 45% higher clock speed
Higher texture rate 60.8 GTexel/s vs 15.6 GTexel/s Around 4x higher texture rate
Better floating-point performance 1,459.2 GFLOPS vs 624 GFLOPS More than 2.2x better floating-point performance
Significantly more render output processors 32 vs 8 24 more render output processors
More texture mapping units 64 vs 24 40 more texture mapping units
Higher pixel rate 15.2 GPixel/s vs 5.2 GPixel/s Around 3x higher pixel rate
Wider memory bus 256 bit vs 128 bit 2x wider memory bus
Higher memory clock speed 1,050 MHz vs 800 MHz More than 30% higher memory clock speed

Features Key features of the Radeon HD 8550  vs GeForce GTX 560 Ti 

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

Radeon HD 8550
25.6 GB/s
GeForce GTX 560 Ti
134.4 GB/s

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

Radeon HD 8550
5.2 GPixel/s
GeForce GTX 560 Ti
15.2 GPixel/s

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

Radeon HD 8550
15.6 GTexel/s
GeForce GTX 560 Ti
60.8 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 8550
624 GFLOPS
GeForce GTX 560 Ti
1,459.2 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 8550  vs
GeForce GTX 560 Ti 
GPU brand AMD Nvidia
GPU name Turks GF114
Market Desktop Desktop
Clock speed 650 MHz 950 MHz
Is dual GPU No No
Reference card None Nvidia GeForce GTX 560 Ti 823 MHz 1 GB

raw performance

Shading units 480 384
Texture mapping units 24 64
Render output processors 8 32
Pixel rate 5.2 GPixel/s 15.2 GPixel/s
Texture rate 15.6 GTexel/s 60.8 GTexel/s
Floating-point performance 624 GFLOPS 1,459.2 GFLOPS

memory

Radeon HD 8550  vs
GeForce GTX 560 Ti 
Memory clock speed 800 MHz 1,050 MHz
Effective memory clock speed 1,600 MHz 4,200 MHz
Memory bus 128 bit 256 bit
Memory 1,024 MB 1,024 MB
Memory type GDDR3 GDDR5
Memory bandwidth 25.6 GB/s 134.4 GB/s

noise and power

TDP 60W 170W

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