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Differences What are the advantages of each

Front view of Radeon HD 8570 Rebrand

Reasons to consider the
AMD Radeon HD 8570 Rebrand

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Lower TDP 60W vs 108W Around 45% lower TDP
Front view of Radeon HD 6770

Reasons to consider the
AMD Radeon HD 6770

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Much higher effective memory clock speed 4,800 MHz vs 1,600 MHz 3x higher effective memory clock speed
Higher clock speed 850 MHz vs 650 MHz More than 30% higher clock speed
Higher memory bandwidth 76.8 GB/s vs 25.6 GB/s Around 3x higher memory bandwidth
Better floating-point performance 1,360 GFLOPS vs 624 GFLOPS Around 2.2x better floating-point performance
Significantly higher memory clock speed 1,200 MHz vs 800 MHz 50% higher memory clock speed
Higher texture rate 34 GTexel/s vs 15.6 GTexel/s Around 2.2x higher texture rate
Higher pixel rate 13.6 GPixel/s vs 5.2 GPixel/s More than 2.5x higher pixel rate
More render output processors 16 vs 8 Twice as many render output processors
More shading units 800 vs 480 320 more shading units
More texture mapping units 40 vs 24 16 more texture mapping units
Slightly more compute units 10 vs 6 4 more compute units

Features Key features of the Radeon HD 8570 Rebrand  vs 6770 

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

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

Radeon HD 8570 Rebrand
5.2 GPixel/s
Radeon HD 6770
13.6 GPixel/s

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

Radeon HD 8570 Rebrand
15.6 GTexel/s
Radeon HD 6770
34 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6770
1,360 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 Rebrand  vs
6770 
GPU brand AMD AMD
GPU name Turks Juniper XT
Market Desktop Desktop
Clock speed 650 MHz 850 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 480 800
Texture mapping units 24 40
Render output processors 8 16
Compute units 6 10
Pixel rate 5.2 GPixel/s 13.6 GPixel/s
Texture rate 15.6 GTexel/s 34 GTexel/s
Floating-point performance 624 GFLOPS 1,360 GFLOPS

memory

Radeon HD 8570 Rebrand  vs
6770 
Memory clock speed 800 MHz 1,200 MHz
Effective memory clock speed 1,600 MHz 4,800 MHz
Memory bus 128 bit 128 bit
Memory 1,024 MB 1,024 MB
Memory type GDDR3 GDDR5
Memory bandwidth 25.6 GB/s 76.8 GB/s

noise and power

TDP 60W 108W

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