Cast your vote Do you agree or disagree with GPUBoss?

Thanks for adding your opinion. Follow us on Facebook to stay up to date with the latest news!

Differences What are the advantages of each

Front view of Radeon HD 6670

Reasons to consider the
AMD Radeon HD 6670

Report a correction
Much higher effective memory clock speed 4,000 MHz vs 990 MHz More than 4x higher effective memory clock speed
Higher memory bandwidth 64 GB/s vs 7.92 GB/s More than 8x higher memory bandwidth
Better floating-point performance 768 GFLOPS vs 63.68 GFLOPS More than 12x better floating-point performance
Significantly higher memory clock speed 1,000 MHz vs 495 MHz More than 2x higher memory clock speed
More shading units 480 vs 40 440 more shading units
Slightly higher texture rate 19.2 GTexel/s vs 3.18 GTexel/s More than 6x higher texture rate
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 3570

Reasons to consider the
ATi Radeon HD 3570

Report a correction
Lower TDP 30W vs 66W 2.2x lower TDP

Features Key features of the Radeon HD 6670  vs 3570 

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

Radeon HD 6670
64 GB/s
Radeon HD 3570
7.92 GB/s

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

Radeon HD 6670
6.4 GPixel/s
Radeon HD 3570
3.18 GPixel/s

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

Radeon HD 6670
19.2 GTexel/s
Radeon HD 3570
3.18 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 6670
Radeon HD 3570
63.68 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 6670  vs
GPU name Turks XT RV620
Market Desktop Desktop
Clock speed 800 MHz 796 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 480 40
Texture mapping units 24 4
Render output processors 8 4
Compute units 6 2
Pixel rate 6.4 GPixel/s 3.18 GPixel/s
Texture rate 19.2 GTexel/s 3.18 GTexel/s
Floating-point performance 768 GFLOPS 63.68 GFLOPS


Radeon HD 6670  vs
Memory clock speed 1,000 MHz 495 MHz
Effective memory clock speed 4,000 MHz 990 MHz
Memory bus 128 bit 64 bit
Memory 1,024 MB 512 MB
Memory type GDDR5 DDR2
Memory bandwidth 64 GB/s 7.92 GB/s

noise and power

TDP 66W 30W

Read more


comments powered by Disqus