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Differences What are the advantages of each

Front view of Radeon HD 8570

Reasons to consider the
AMD Radeon HD 8570

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More memory 2,048 MB vs 1,024 MB 2x more memory
Front view of Radeon HD 7670

Reasons to consider the
AMD Radeon HD 7670

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Higher effective memory clock speed 4,000 MHz vs 1,800 MHz Around 2.2x higher effective memory clock speed
Higher memory bandwidth 64 GB/s vs 28.8 GB/s Around 2.2x higher memory bandwidth
Slightly higher clock speed 800 MHz vs 730 MHz Around 10% higher clock speed
Slightly higher memory clock speed 1,000 MHz vs 900 MHz More than 10% higher memory clock speed

Benchmarks Real world tests of Radeon HD 8570 vs 7670

Sky Diver Factor Data courtesy FutureMark

Features Key features of the Radeon HD 8570  vs 7670 

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

Radeon HD 8570
28.8 GB/s
Radeon HD 7670
64 GB/s

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

Radeon HD 8570
6.24 GPixel/s
Radeon HD 7670
6.4 GPixel/s

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

Radeon HD 8570
18.72 GTexel/s
Radeon HD 7670
19.2 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 8570
599 GFLOPS
Radeon HD 7670
768 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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