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Differences What are the advantages of each

Front view of Radeon Pro Vega 56

Reasons to consider the
AMD Radeon Pro Vega 56

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Significantly better floating-point performance 9,677 GFLOPS vs 4,981 GFLOPS Around 95% better floating-point performance
More memory 8,196 MB vs 4,096 MB More than 2x more memory
Significantly higher texture rate 302.4 GTexel/s vs 155.6 GTexel/s Around 95% higher texture rate
Higher clock speed 1,250 MHz vs 1,127 MHz More than 10% higher clock speed
Much wider memory bus 2,048 bit vs 256 bit 8x wider memory bus
Significantly more shading units 3,584 vs 2,048 1536 more shading units
Significantly more texture mapping units 224 vs 128 96 more texture mapping units
Slightly higher pixel rate 86.4 GPixel/s vs 77.82 GPixel/s More than 10% higher pixel rate
Higher turbo clock speed 1,350 MHz vs 1,216 MHz More than 10% higher turbo clock speed
Front view of GeForce GTX 980

Reasons to consider the
Nvidia GeForce GTX 980

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Much higher effective memory clock speed 7,012 MHz vs 1,560 MHz Around 4.5x higher effective memory clock speed
Much higher memory clock speed 1,753 MHz vs 780 MHz Around 2.2x higher memory clock speed

Features Key features of the Radeon Pro Vega 56  vs GeForce GTX 980 

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

Radeon Pro Vega 56
86.4 GPixel/s
GeForce GTX 980
77.82 GPixel/s

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

Radeon Pro Vega 56
302.4 GTexel/s
GeForce GTX 980
155.6 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon Pro Vega 56
9,677 GFLOPS
GeForce GTX 980
4,981 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

render output processors GPU commponents responsible for transform pixels as they flow between memory buffers

Specifications Full list of technical specs

gpu

Radeon Pro Vega 56  vs
GeForce GTX 980 
GPU brand AMD Nvidia
GPU name Vega 10 GM204
Clock speed 1,250 MHz 1,127 MHz
Turbo clock speed 1,350 MHz 1,216 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 3,584 2,048
Texture mapping units 224 128
Render output processors 64 64
Pixel rate 86.4 GPixel/s 77.82 GPixel/s
Texture rate 302.4 GTexel/s 155.6 GTexel/s
Floating-point performance 9,677 GFLOPS 4,981 GFLOPS

memory

Radeon Pro Vega 56  vs
GeForce GTX 980 
Memory clock speed 780 MHz 1,753 MHz
Effective memory clock speed 1,560 MHz 7,012 MHz
Memory bus 2,048 bit 256 bit
Memory 8,196 MB 4,096 MB

noise and power

TDP 175W 165W

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