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 Sky 500

Reasons to consider the
AMD Radeon Sky 500

Report a correction

GPUBoss is not aware of any important advantages of the Sky 500 vs the RX 570.

Front view of Radeon RX 570

Reasons to consider the
AMD Radeon RX 570

Report a correction
Higher clock speed 1,168 MHz vs 950 MHz Around 25% higher clock speed
Higher effective memory clock speed 7,000 MHz vs 4,800 MHz More than 45% higher effective memory clock speed
Better floating-point performance 5,095 GFLOPS vs 2,432 GFLOPS More than 2x better floating-point performance
Higher memory bandwidth 224 GB/s vs 153.6 GB/s More than 45% higher memory bandwidth
Higher texture rate 159.2 GTexel/s vs 76 GTexel/s More than 2x higher texture rate
More shading units 2,048 vs 1,280 768 more shading units
More texture mapping units 128 vs 80 48 more texture mapping units
Significantly higher memory clock speed 1,750 MHz vs 1,200 MHz More than 45% higher memory clock speed
Higher pixel rate 39.81 GPixel/s vs 30.4 GPixel/s More than 30% higher pixel rate
More compute units 32 vs 20 12 more compute units
Lower TDP 120W vs 150W 20% lower TDP

Features Key features of the Radeon Sky 500  vs RX 570 

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

Radeon Sky 500
153.6 GB/s
Radeon RX 570
224 GB/s

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

Radeon Sky 500
30.4 GPixel/s
Radeon RX 570
39.81 GPixel/s

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

Radeon Sky 500
76 GTexel/s
Radeon RX 570
159.2 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon Sky 500
2,432 GFLOPS
Radeon RX 570
5,095 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 Sky 500  vs
RX 570 
GPU name Pitcairn Polaris 20
Clock speed 950 MHz 1,168 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 1,280 2,048
Texture mapping units 80 128
Render output processors 32 32
Compute units 20 32
Pixel rate 30.4 GPixel/s 39.81 GPixel/s
Texture rate 76 GTexel/s 159.2 GTexel/s
Floating-point performance 2,432 GFLOPS 5,095 GFLOPS


Radeon Sky 500  vs
RX 570 
Memory clock speed 1,200 MHz 1,750 MHz
Effective memory clock speed 4,800 MHz 7,000 MHz
Memory bus 256 bit 256 bit
Memory 4,096 MB 4,096 MB
Memory type GDDR5 GDDR5
Memory bandwidth 153.6 GB/s 224 GB/s

noise and power

TDP 150W 120W


comments powered by Disqus