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Differences What are the advantages of each

Front view of Radeon Pro 580

Reasons to consider the
AMD Radeon Pro 580

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Significantly higher clock speed 1,257 MHz vs 719 MHz Around 75% higher clock speed
Significantly more memory 8,192 MB vs 2,048 MB 4x more memory
Significantly better floating-point performance 6,175 GFLOPS vs 2,208.8 GFLOPS More than 2.8x better floating-point performance
Significantly higher effective memory clock speed 8,000 MHz vs 5,000 MHz 60% higher effective memory clock speed
Significantly higher memory bandwidth 256 GB/s vs 160 GB/s 60% higher memory bandwidth
Significantly higher texture rate 193 GTexel/s vs 92 GTexel/s More than 2x higher texture rate
Higher pixel rate 42.9 GPixel/s vs 23.01 GPixel/s More than 85% higher pixel rate
More shading units 2,304 vs 1,536 768 more shading units
Slightly more texture mapping units 144 vs 128 16 more texture mapping units
Front view of GeForce GTX 680MX

Reasons to consider the
Nvidia GeForce GTX 680MX

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Significantly higher memory clock speed 2,500 MHz vs 2,000 MHz 25% higher memory clock speed
Lower TDP 122W vs 150W Around 20% lower TDP

Features Key features of the Radeon Pro 580  vs GeForce GTX 680MX 

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

Radeon Pro 580
256 GB/s

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

Radeon Pro 580
42.9 GPixel/s
GeForce GTX 680MX
23.01 GPixel/s

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

Radeon Pro 580
193 GTexel/s
GeForce GTX 680MX
92 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon Pro 580
6,175 GFLOPS
GeForce GTX 680MX
2,208.8 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 Pro 580  vs
GeForce GTX 680MX 
GPU brand AMD Nvidia
GPU name Polaris 20 GK104
Clock speed 1,257 MHz 719 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 2,304 1,536
Texture mapping units 144 128
Render output processors 32 32
Pixel rate 42.9 GPixel/s 23.01 GPixel/s
Texture rate 193 GTexel/s 92 GTexel/s
Floating-point performance 6,175 GFLOPS 2,208.8 GFLOPS

memory

Radeon Pro 580  vs
GeForce GTX 680MX 
Memory clock speed 2,000 MHz 2,500 MHz
Effective memory clock speed 8,000 MHz 5,000 MHz
Memory bus 256 bit 256 bit
Memory 8,192 MB 2,048 MB
Memory type GDDR5 GDDR5
Memory bandwidth 256 GB/s 160 GB/s

noise and power

TDP 150W 122W

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