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Differences What are the advantages of each

Front view of Radeon RX 580

Reasons to consider the
AMD Radeon RX 580

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Significantly higher clock speed 1,257 MHz vs 926 MHz More than 35% higher clock speed
More memory 8,192 MB vs 4,096 MB 2x more memory
Higher effective memory clock speed 8,000 MHz vs 6,600 MHz More than 20% higher effective memory clock speed
Better floating-point performance 6,175 GFLOPS vs 4,322 GFLOPS Around 45% better floating-point performance
Higher memory bandwidth 256 GB/s vs 211.2 GB/s More than 20% higher memory bandwidth
Higher texture rate 193 GTexel/s vs 135.1 GTexel/s Around 45% higher texture rate
More shading units 2,304 vs 1,792 512 more shading units
More texture mapping units 144 vs 112 32 more texture mapping units
Higher turbo clock speed 1,340 MHz vs 1,206 MHz More than 10% higher turbo clock speed
Higher memory clock speed 2,000 MHz vs 1,650 MHz More than 20% higher memory clock speed
More compute units 36 vs 28 8 more compute units
Front view of Radeon RX 470D

Reasons to consider the
AMD Radeon RX 470D

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Lower TDP 120W vs 185W More than 35% lower TDP

Features Key features of the Radeon RX 580  vs 470D 

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

Radeon RX 580
256 GB/s
Radeon RX 470D
211.2 GB/s

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

Radeon RX 580
42.88 GPixel/s
Radeon RX 470D
38.6 GPixel/s

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

Radeon RX 580
193 GTexel/s
Radeon RX 470D
135.1 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon RX 580
6,175 GFLOPS
Radeon RX 470D
4,322 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


Radeon RX 580  vs
GPU name Polaris 20 Ellesmere
Clock speed 1,257 MHz 926 MHz
Turbo clock speed 1,340 MHz 1,206 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 2,304 1,792
Texture mapping units 144 112
Render output processors 32 32
Compute units 36 28
Pixel rate 42.88 GPixel/s 38.6 GPixel/s
Texture rate 193 GTexel/s 135.1 GTexel/s
Floating-point performance 6,175 GFLOPS 4,322 GFLOPS


Radeon RX 580  vs
Memory clock speed 2,000 MHz 1,650 MHz
Effective memory clock speed 8,000 MHz 6,600 MHz
Memory bus 256 bit 256 bit
Memory 8,192 MB 4,096 MB
Memory type GDDR5 GDDR5
Memory bandwidth 256 GB/s 211.2 GB/s

noise and power

TDP 185W 120W


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