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Differences What are the advantages of each

Front view of Radeon RX Vega 64 Nano

Reasons to consider the
AMD Radeon RX Vega 64 Nano

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Significantly higher memory bandwidth 409.6 GB/s vs 224.4 GB/s Around 85% higher memory bandwidth
Better floating-point performance 10,215 GFLOPS vs 8,228 GFLOPS Around 25% better floating-point performance
Much wider memory bus 2,048 bit vs 256 bit 8x wider memory bus
Significantly more shading units 4,096 vs 2,560 1536 more shading units
Significantly more texture mapping units 256 vs 160 96 more texture mapping units
Higher texture rate 319.2 GTexel/s vs 257.1 GTexel/s Around 25% higher texture rate
Front view of GeForce GTX 1080

Reasons to consider the
Nvidia GeForce GTX 1080

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Much higher effective memory clock speed 10,008 MHz vs 1,600 MHz More than 6.2x higher effective memory clock speed
Significantly higher clock speed 1,607 MHz vs 1,156 MHz Around 40% higher clock speed
Significantly higher turbo clock speed 1,733 MHz vs 1,247 MHz Around 40% higher turbo clock speed
Higher pixel rate 102.8 GPixel/s vs 79.81 GPixel/s Around 30% higher pixel rate
Higher memory clock speed 1,251 MHz vs 800 MHz More than 55% higher memory clock speed
Lower TDP 180W vs 250W Around 30% lower TDP

Features Key features of the Radeon RX Vega 64 Nano  vs GeForce GTX 1080 

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 64 Nano
79.81 GPixel/s
GeForce GTX 1080
102.8 GPixel/s

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

Radeon RX Vega 64 Nano
319.2 GTexel/s
GeForce GTX 1080
257.1 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon RX Vega 64 Nano
10,215 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 Vega 64 Nano  vs
GeForce GTX 1080 
GPU brand AMD Nvidia
GPU name Vega 10 GP104
Clock speed 1,156 MHz 1,607 MHz
Turbo clock speed 1,247 MHz 1,733 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 4,096 2,560
Texture mapping units 256 160
Render output processors 64 64
Pixel rate 79.81 GPixel/s 102.8 GPixel/s
Texture rate 319.2 GTexel/s 257.1 GTexel/s
Floating-point performance 10,215 GFLOPS 8,228 GFLOPS

memory

Radeon RX Vega 64 Nano  vs
GeForce GTX 1080 
Memory clock speed 800 MHz 1,251 MHz
Effective memory clock speed 1,600 MHz 10,008 MHz
Memory bus 2,048 bit 256 bit
Memory 8,192 MB 8,192 MB
Memory bandwidth 409.6 GB/s 224.4 GB/s

noise and power

TDP 250W 180W

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