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Differences What are the advantages of each

Front view of Radeon RX 580 XTR

Reasons to consider the
AMD Radeon RX 580 XTR

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Significantly higher memory clock speed 2,000 MHz vs 1,376 MHz More than 45% higher memory clock speed
Lower TDP 150W vs 220W More than 30% lower TDP
Front view of GeForce GTX 1080 Ti

Reasons to consider the
Nvidia GeForce GTX 1080 Ti

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Significantly better floating-point performance 10,609 GFLOPS vs 6,175 GFLOPS More than 70% better floating-point performance
Much higher pixel rate 130.2 GPixel/s vs 42.9 GPixel/s More than 3x higher pixel rate
Significantly higher effective memory clock speed 11,008 MHz vs 8,000 MHz Around 40% higher effective memory clock speed
Higher clock speed 1,480 MHz vs 1,257 MHz Around 20% higher clock speed
More memory 11,264 MB vs 8,192 MB Around 40% more memory
Significantly higher texture rate 312.6 GTexel/s vs 193 GTexel/s More than 60% higher texture rate
Many more render output processors 88 vs 32 56 more render output processors
Significantly more shading units 3,584 vs 2,304 1280 more shading units
Significantly more texture mapping units 224 vs 144 80 more texture mapping units
Higher turbo clock speed 1,582 MHz vs 1,340 MHz Around 20% higher turbo clock speed

Features Key features of the Radeon RX 580 XTR  vs GeForce GTX 1080 Ti 

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

Radeon RX 580 XTR
42.9 GPixel/s
GeForce GTX 1080 Ti
130.2 GPixel/s

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

Radeon RX 580 XTR
193 GTexel/s
GeForce GTX 1080 Ti
312.6 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon RX 580 XTR
6,175 GFLOPS
GeForce GTX 1080 Ti
10,609 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 RX 580 XTR  vs
GeForce GTX 1080 Ti 
GPU brand AMD Nvidia
GPU name Polaris 20 GP102
Clock speed 1,257 MHz 1,480 MHz
Turbo clock speed 1,340 MHz 1,582 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 2,304 3,584
Texture mapping units 144 224
Render output processors 32 88
Pixel rate 42.9 GPixel/s 130.2 GPixel/s
Texture rate 193 GTexel/s 312.6 GTexel/s
Floating-point performance 6,175 GFLOPS 10,609 GFLOPS

memory

Radeon RX 580 XTR  vs
GeForce GTX 1080 Ti 
Memory clock speed 2,000 MHz 1,376 MHz
Effective memory clock speed 8,000 MHz 11,008 MHz
Memory bus 256 bit 352 bit
Memory 8,192 MB 11,264 MB
Memory type GDDR5 GDDR5

noise and power

TDP 150W 220W

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