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Differences What are the advantages of each

Front view of Radeon HD 4720

Reasons to consider the
ATi Radeon HD 4720

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Lower TDP 55W vs 116W 2.1x lower TDP
Front view of GeForce GTX 550 Ti

Reasons to consider the
Nvidia GeForce GTX 550 Ti

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Much higher effective memory clock speed 4,104 MHz vs 1,334 MHz More than 3x higher effective memory clock speed
Higher clock speed 900 MHz vs 600 MHz 50% higher clock speed
Significantly higher memory bandwidth 98.5 GB/s vs 21.34 GB/s More than 4.5x higher memory bandwidth
More render output processors 24 vs 8 Three times as many render output processors
Significantly higher memory clock speed 1,026 MHz vs 667 MHz Around 55% higher memory clock speed
Wider memory bus 192 bit vs 128 bit 50% wider memory bus

Features Key features of the Radeon HD 4720  vs GeForce GTX 550 Ti 

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

Radeon HD 4720
21.34 GB/s
GeForce GTX 550 Ti
98.5 GB/s

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

Radeon HD 4720
4.8 GPixel/s
GeForce GTX 550 Ti
7.2 GPixel/s

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

Radeon HD 4720
19.2 GTexel/s
GeForce GTX 550 Ti
28.8 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 4720
384 GFLOPS
GeForce GTX 550 Ti
691.2 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 4720  vs
GeForce GTX 550 Ti 
GPU brand ATI Nvidia
GPU name RV730 GF116
Market Desktop Desktop
Clock speed 600 MHz 900 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 320 192
Texture mapping units 32 32
Render output processors 8 24
Pixel rate 4.8 GPixel/s 7.2 GPixel/s
Texture rate 19.2 GTexel/s 28.8 GTexel/s
Floating-point performance 384 GFLOPS 691.2 GFLOPS

memory

Radeon HD 4720  vs
GeForce GTX 550 Ti 
Memory clock speed 667 MHz 1,026 MHz
Effective memory clock speed 1,334 MHz 4,104 MHz
Memory bus 128 bit 192 bit
Memory 1,024 MB 1,024 MB
Memory type GDDR3 GDDR5
Memory bandwidth 21.34 GB/s 98.5 GB/s

noise and power

TDP 55W 116W

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