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Differences What are the advantages of each

Front view of Radeon RX Vega XT

Reasons to consider the
AMD Radeon RX Vega XT

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Better floating-point performance 13,353 GFLOPS vs 11,340 GFLOPS Around 20% better floating-point performance
Higher texture rate 417.3 GTexel/s vs 354.4 GTexel/s Around 20% higher texture rate
Much wider memory bus 2,048 bit vs 352 bit More than 5.8x wider memory bus
Higher memory bandwidth 512 GB/s vs 484.4 GB/s More than 5% higher memory bandwidth
More shading units 4,096 vs 3,584 512 more shading units
More texture mapping units 256 vs 224 32 more texture mapping units
Lower TDP 225W vs 250W 10% lower TDP
Front view of GeForce GTX 1080 Ti

Reasons to consider the
Nvidia GeForce GTX 1080 Ti

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Much higher effective memory clock speed 11,008 MHz vs 2,000 MHz More than 5.5x higher effective memory clock speed
More memory 11,264 MB vs 8,192 MB Around 40% more memory
Higher pixel rate 139.2 GPixel/s vs 104.3 GPixel/s Around 35% higher pixel rate
More render output processors 88 vs 64 24 more render output processors
Higher memory clock speed 1,376 MHz vs 1,000 MHz Around 40% higher memory clock speed

Features Key features of the Radeon RX Vega XT  vs GeForce GTX 1080 Ti 

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 Vega XT
104.3 GPixel/s
GeForce GTX 1080 Ti
139.2 GPixel/s

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

Radeon RX Vega XT
417.3 GTexel/s
GeForce GTX 1080 Ti
354.4 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon RX Vega XT
13,353 GFLOPS
GeForce GTX 1080 Ti
11,340 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 Vega XT  vs
GeForce GTX 1080 Ti 
GPU brand AMD Nvidia
GPU name Vega 10 GP102
Clock speed 1,500 MHz 1,480 MHz
Turbo clock speed 1,630 MHz 1,582 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 4,096 3,584
Texture mapping units 256 224
Render output processors 64 88
Pixel rate 104.3 GPixel/s 139.2 GPixel/s
Texture rate 417.3 GTexel/s 354.4 GTexel/s
Floating-point performance 13,353 GFLOPS 11,340 GFLOPS

memory

Radeon RX Vega XT  vs
GeForce GTX 1080 Ti 
Memory clock speed 1,000 MHz 1,376 MHz
Effective memory clock speed 2,000 MHz 11,008 MHz
Memory bus 2,048 bit 352 bit
Memory 8,192 MB 11,264 MB
Memory bandwidth 512 GB/s 484.4 GB/s

noise and power

TDP 225W 250W

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