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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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Higher memory bandwidth 256 GB/s vs 224.4 GB/s Around 15% higher memory bandwidth
Significantly higher memory clock speed 2,000 MHz vs 1,251 MHz Around 60% higher memory clock speed
Lower TDP 150W vs 180W More than 15% lower TDP
Front view of GeForce GTX 1080

Reasons to consider the
Nvidia GeForce GTX 1080

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Significantly higher clock speed 1,607 MHz vs 1,257 MHz Around 30% higher clock speed
Significantly higher pixel rate 102.8 GPixel/s vs 42.9 GPixel/s Around 2.5x higher pixel rate
Higher effective memory clock speed 10,008 MHz vs 8,000 MHz More than 25% higher effective memory clock speed
Better floating-point performance 8,228 GFLOPS vs 6,175 GFLOPS Around 35% better floating-point performance
Higher texture rate 257.1 GTexel/s vs 193 GTexel/s Around 35% higher texture rate
Significantly higher turbo clock speed 1,733 MHz vs 1,340 MHz Around 30% higher turbo clock speed
Significantly more render output processors 64 vs 32 Twice as many render output processors
Slightly more shading units 2,560 vs 2,304 256 more shading units

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

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

GeForce GTX 1080
224.4 GB/s

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
102.8 GPixel/s

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

Radeon RX 580 XTR
193 GTexel/s
GeForce GTX 1080
257.1 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon RX 580 XTR
6,175 GFLOPS
GeForce GTX 1080
8,228 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 RX 580 XTR  vs
GeForce GTX 1080 
GPU brand AMD Nvidia
GPU name Polaris 20 GP104
Clock speed 1,257 MHz 1,607 MHz
Turbo clock speed 1,340 MHz 1,733 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 2,304 2,560
Texture mapping units 144 160
Render output processors 32 64
Pixel rate 42.9 GPixel/s 102.8 GPixel/s
Texture rate 193 GTexel/s 257.1 GTexel/s
Floating-point performance 6,175 GFLOPS 8,228 GFLOPS

memory

Radeon RX 580 XTR  vs
GeForce GTX 1080 
Memory clock speed 2,000 MHz 1,251 MHz
Effective memory clock speed 8,000 MHz 10,008 MHz
Memory bus 256 bit 256 bit
Memory 8,192 MB 8,192 MB
Memory type GDDR5 GDDR5
Memory bandwidth 256 GB/s 224.4 GB/s

noise and power

TDP 150W 180W

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