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Differences What are the advantages of each

Front view of Radeon RX 580

Reasons to consider the
AMD Radeon RX 580

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Much better PassMark score 7,781 vs 321 Around 24.2x better PassMark score
Much higher clock speed 1,257 MHz vs 550 MHz More than 2.2x higher clock speed
Much higher effective memory clock speed 8,000 MHz vs 1,600 MHz 5x higher effective memory clock speed
Significantly more memory 8,192 MB vs 1,024 MB 8x more memory
Much higher memory bandwidth 256 GB/s vs 25.6 GB/s 10x higher memory bandwidth
Much better floating-point performance 6,175 GFLOPS vs 352 GFLOPS More than 17.5x better floating-point performance
Significantly higher texture rate 193 GTexel/s vs 17.6 GTexel/s Around 11x higher texture rate
Significantly higher pixel rate 42.88 GPixel/s vs 4.4 GPixel/s Around 9.8x higher pixel rate
Significantly more shading units 2,304 vs 320 1984 more shading units
Significantly more texture mapping units 144 vs 32 112 more texture mapping units
Much higher memory clock speed 2,000 MHz vs 800 MHz 2.5x higher memory clock speed
Significantly more compute units 36 vs 4 32 more compute units
More render output processors 32 vs 8 24 more render output processors
Front view of Mobility Radeon HD 560v

Reasons to consider the
ATi Mobility Radeon HD 560v

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Much lower TDP 15W vs 185W 12.3x lower TDP

Benchmarks Real world tests of Radeon RX 580 vs Mobility Radeon HD 560v

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Features Key features of the Radeon RX 580  vs Mobility Radeon HD 560v 

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 RX 580
42.88 GPixel/s

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

Radeon RX 580
193 GTexel/s
Mobility Radeon HD 560v
17.6 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon RX 580
6,175 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

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