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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 800 MHz 4x higher effective memory clock speed
Higher memory bandwidth 25.6 GB/s vs 6.4 GB/s More than 4x higher memory bandwidth
Significantly higher memory clock speed 800 MHz vs 400 MHz 2x higher memory clock speed
Better cloud gate factor score 4.38 vs 3.18 Around 40% better cloud gate factor score
Front view of Radeon HD 4350

Reasons to consider the
Sapphire Radeon HD 4350

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Slightly more memory 1,024 MB vs 512 MB 2x more memory

Benchmarks Real world tests of Radeon HD 6450 vs 4350

Cloud Gate Factor Data courtesy FutureMark

Features Key features of the Radeon HD 6450  vs 4350 

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

Radeon HD 6450
25.6 GB/s
Radeon HD 4350
6.4 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 4350
2.4 GPixel/s

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

Radeon HD 6450
5 GTexel/s
Radeon HD 4350
4.8 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6450
200 GFLOPS
Radeon HD 4350
96 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

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