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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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Slightly better floating-point performance 624 GFLOPS vs 167.8 GFLOPS Around 3.8x better floating-point performance
More shading units 480 vs 48 432 more shading units
More texture mapping units 24 vs 8 Three times as many texture mapping units
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
Front view of GeForce GT 705

Reasons to consider the
Nvidia GeForce GT 705

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Higher clock speed 874 MHz vs 650 MHz Around 35% higher clock speed
Lower TDP 29W vs 60W 2.1x lower TDP

Features Key features of the Radeon HD 8550  vs GeForce GT 705 

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

Radeon HD 8550
25.6 GB/s
GeForce GT 705
13.2 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 GT 705
3.5 GPixel/s

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

Radeon HD 8550
15.6 GTexel/s
GeForce GT 705
13.98 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 8550
624 GFLOPS
GeForce GT 705
167.8 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 GT 705 
GPU brand AMD Nvidia
GPU name Turks GF119
Market Desktop Desktop
Clock speed 650 MHz 874 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 480 48
Texture mapping units 24 8
Render output processors 8 4
Pixel rate 5.2 GPixel/s 3.5 GPixel/s
Texture rate 15.6 GTexel/s 13.98 GTexel/s
Floating-point performance 624 GFLOPS 167.8 GFLOPS

memory

Radeon HD 8550  vs
GeForce GT 705 
Memory clock speed 800 MHz 825 MHz
Effective memory clock speed 1,600 MHz 1,650 MHz
Memory bus 128 bit 64 bit
Memory 1,024 MB 1,024 MB
Memory type GDDR3 DDR3
Memory bandwidth 25.6 GB/s 13.2 GB/s

noise and power

TDP 60W 29W

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