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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 256 GB/s More than 60% higher memory bandwidth
Significantly better floating-point performance 10,215 GFLOPS vs 6,175 GFLOPS More than 65% better floating-point performance
Significantly higher texture rate 319.2 GTexel/s vs 193 GTexel/s More than 65% higher texture rate
Significantly higher pixel rate 79.81 GPixel/s vs 42.88 GPixel/s More than 85% higher pixel rate
Significantly more shading units 4,096 vs 2,304 1792 more shading units
Significantly more texture mapping units 256 vs 144 112 more texture mapping units
Much wider memory bus 2,048 bit vs 256 bit 8x wider memory bus
Significantly more render output processors 64 vs 32 Twice as many render output processors
Significantly more compute units 64 vs 36 28 more compute units
Front view of Radeon RX 580

Reasons to consider the
AMD Radeon RX 580

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Much higher effective memory clock speed 8,000 MHz vs 1,600 MHz 5x higher effective memory clock speed
Higher clock speed 1,257 MHz vs 1,156 MHz Around 10% higher clock speed
Much higher memory clock speed 2,000 MHz vs 800 MHz 2.5x higher memory clock speed
Higher turbo clock speed 1,340 MHz vs 1,247 MHz More than 5% higher turbo clock speed
Lower TDP 185W vs 250W More than 25% lower TDP

Features Key features of the Radeon RX Vega 64 Nano  vs 580 

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
Radeon RX 580
42.88 GPixel/s

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

Radeon RX Vega 64 Nano
319.2 GTexel/s
Radeon RX 580
193 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon RX Vega 64 Nano
10,215 GFLOPS
Radeon RX 580
6,175 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
580 
GPU brand AMD AMD
GPU name Vega 10 Polaris 20
Clock speed 1,156 MHz 1,257 MHz
Turbo clock speed 1,247 MHz 1,340 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 4,096 2,304
Texture mapping units 256 144
Render output processors 64 32
Compute units 64 36
Pixel rate 79.81 GPixel/s 42.88 GPixel/s
Texture rate 319.2 GTexel/s 193 GTexel/s
Floating-point performance 10,215 GFLOPS 6,175 GFLOPS

memory

Radeon RX Vega 64 Nano  vs
580 
Memory clock speed 800 MHz 2,000 MHz
Effective memory clock speed 1,600 MHz 8,000 MHz
Memory bus 2,048 bit 256 bit
Memory 8,192 MB 8,192 MB
Memory bandwidth 409.6 GB/s 256 GB/s

noise and power

TDP 250W 185W

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