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Differences What are the advantages of each

Front view of Radeon HD 6450

Reasons to consider the
AMD Radeon HD 6450

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Significantly higher effective memory clock speed 3,200 MHz vs 1,310 MHz Around 2.5x higher effective memory clock speed
Slightly higher memory bandwidth 25.6 GB/s vs 10.48 GB/s Around 2.5x higher memory bandwidth
Higher memory clock speed 800 MHz vs 655 MHz More than 20% higher memory clock speed
Front view of Radeon HD 4550

Reasons to consider the
ATi Radeon HD 4550

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GPUBoss is not aware of any important advantages of the ATi Radeon HD 4550 vs the AMD Radeon HD 6450.

Benchmarks Real world tests of Radeon HD 6450 vs 4550

Cloud Gate Factor Data courtesy FutureMark

Features Key features of the Radeon HD 6450  vs 4550 

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

Radeon HD 6450
25.6 GB/s
Radeon HD 4550
10.48 GB/s

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

Radeon HD 6450
2.5 GPixel/s
Radeon HD 4550
2.4 GPixel/s

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

Radeon HD 6450
5 GTexel/s
Radeon HD 4550
4.8 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6450
Radeon HD 4550

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

Reviews Word on the street

Radeon HD 6450  vs 4550 

The one we review today features a passive cooler which makes it a great choice for a media PC because silence is key there.
Radeon HD 4550

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