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Differences What are the advantages of each

Front view of Radeon HD 6570

Reasons to consider the
Sapphire Radeon HD 6570

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Significantly more memory 4,096 MB vs 512 MB 8x more memory
Higher effective memory clock speed 1,334 MHz vs 792 MHz Around 70% higher effective memory clock speed
Better floating-point performance 624 GFLOPS vs 47.52 GFLOPS Around 13.2x better floating-point performance
Slightly higher memory bandwidth 21.34 GB/s vs 6.34 GB/s More than 3.2x higher memory bandwidth
More shading units 480 vs 40 440 more shading units
Higher memory clock speed 667 MHz vs 396 MHz Around 70% higher memory clock speed
More texture mapping units 24 vs 4 20 more texture mapping units
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
Slightly more compute units 6 vs 2 Three times as many compute units
Front view of Radeon HD 3550

Reasons to consider the
ATi Radeon HD 3550

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Lower TDP 30W vs 60W 2x lower TDP

Features Key features of the Radeon HD 6570  vs 3550 

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

Radeon HD 6570
21.34 GB/s
Radeon HD 3550
6.34 GB/s

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

Radeon HD 6570
5.2 GPixel/s
Radeon HD 3550
2.38 GPixel/s

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

Radeon HD 6570
15.6 GTexel/s
Radeon HD 3550
2.38 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6570
Radeon HD 3550
47.52 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


Radeon HD 6570  vs
GPU name Turks PRO RV620
Market Desktop Desktop
Clock speed 650 MHz 594 MHz
Is dual GPU No No
Reference card AMD Radeon HD 6570 650 MHz 2 GB None

raw performance

Shading units 480 40
Texture mapping units 24 4
Render output processors 8 4
Compute units 6 2
Pixel rate 5.2 GPixel/s 2.38 GPixel/s
Texture rate 15.6 GTexel/s 2.38 GTexel/s
Floating-point performance 624 GFLOPS 47.52 GFLOPS


Radeon HD 6570  vs
Memory clock speed 667 MHz 396 MHz
Effective memory clock speed 1,334 MHz 792 MHz
Memory bus 128 bit 64 bit
Memory 4,096 MB 512 MB
Memory type DDR3 DDR2
Memory bandwidth 21.34 GB/s 6.34 GB/s

noise and power

TDP 60W 30W


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