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Differences What are the advantages of each

Front view of Radeon RX Vega 64

Reasons to consider the
AMD Radeon RX Vega 64

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Much higher memory bandwidth 483.8 GB/s vs 224.4 GB/s Around 2.2x higher memory bandwidth
Significantly better floating-point performance 12,665 GFLOPS vs 8,228 GFLOPS Around 55% better floating-point performance
Significantly higher texture rate 395.8 GTexel/s vs 257.1 GTexel/s Around 55% higher texture rate
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
Much wider memory bus 2,048 bit vs 256 bit 8x wider memory bus
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 1,890 MHz More than 5.2x higher effective memory clock speed
Significantly higher clock speed 1,607 MHz vs 1,247 MHz Around 30% higher clock speed
Higher turbo clock speed 1,733 MHz vs 1,546 MHz More than 10% higher turbo clock speed
Higher memory clock speed 1,251 MHz vs 945 MHz More than 30% higher memory clock speed
Significantly lower TDP 180W vs 295W Around 40% lower TDP

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

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

Radeon RX Vega 64
483.8 GB/s
GeForce GTX 1080
224.4 GB/s

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

Radeon RX Vega 64
98.94 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
395.8 GTexel/s
GeForce GTX 1080
257.1 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon RX Vega 64
12,665 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  vs
GeForce GTX 1080 
GPU brand AMD Nvidia
GPU name Vega 10 GP104
Clock speed 1,247 MHz 1,607 MHz
Turbo clock speed 1,546 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 98.94 GPixel/s 102.8 GPixel/s
Texture rate 395.8 GTexel/s 257.1 GTexel/s
Floating-point performance 12,665 GFLOPS 8,228 GFLOPS

memory

Radeon RX Vega 64  vs
GeForce GTX 1080 
Memory clock speed 945 MHz 1,251 MHz
Effective memory clock speed 1,890 MHz 10,008 MHz
Memory bus 2,048 bit 256 bit
Memory 8,192 MB 8,192 MB
Memory bandwidth 483.8 GB/s 224.4 GB/s

noise and power

TDP 295W 180W

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