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

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
5.84 GPixel/s
Radeon HD 7670
6.4 GPixel/s

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

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

floating point performance How fast the gpu can crunch numbers

Radeon HD 8570
467.2 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

Specifications Full list of technical specs

gpu

Radeon HD 8570  vs
7670 
GPU brand AMD AMD
GPU name Oland Turks XT
Market Desktop Desktop
Clock speed 730 MHz 800 MHz
Is dual GPU No No
Reference card None AMD Radeon HD 7670 OEM 800 MHz 512 MB

raw performance

Shading units 320 480
Texture mapping units 20 24
Render output processors 8 8
Compute units 5 6
Pixel rate 5.84 GPixel/s 6.4 GPixel/s
Texture rate 14.6 GTexel/s 19.2 GTexel/s
Floating-point performance 467.2 GFLOPS 768 GFLOPS

memory

Radeon HD 8570  vs
7670 
Memory clock speed 900 MHz 1,000 MHz
Effective memory clock speed 1,800 MHz 4,000 MHz
Memory bus 128 bit 128 bit
Memory 2,048 MB 1,024 MB
Memory type GDDR3 GDDR5
Memory bandwidth 28.8 GB/s 64 GB/s

noise and power

TDP 50W 66W

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