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Differences What are the advantages of each

Front view of Radeon RX 550

Reasons to consider the
AMD Radeon RX 550

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Higher clock speed 1,100 MHz vs 926 MHz Around 20% higher clock speed
Slightly higher memory clock speed 1,750 MHz vs 1,650 MHz More than 5% higher memory clock speed
Lower TDP 50W vs 120W 2.4x lower TDP
Front view of Radeon RX 470D

Reasons to consider the
AMD Radeon RX 470D

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Better floating-point performance 4,322 GFLOPS vs 1,211 GFLOPS More than 3.5x better floating-point performance
Higher memory bandwidth 211.2 GB/s vs 112 GB/s Around 90% higher memory bandwidth
Higher texture rate 135.1 GTexel/s vs 37.86 GTexel/s More than 3.5x higher texture rate
More memory 4,096 MB vs 2,048 MB 2x more memory
Higher pixel rate 38.6 GPixel/s vs 18.93 GPixel/s More than 2x higher pixel rate
Significantly more shading units 1,792 vs 512 1280 more shading units
Significantly more texture mapping units 112 vs 32 80 more texture mapping units
More compute units 28 vs 8 20 more compute units
More render output processors 32 vs 16 Twice as many render output processors

Features Key features of the Radeon RX 550  vs 470D 

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

Radeon RX 550
112 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 550
18.93 GPixel/s
Radeon RX 470D
38.6 GPixel/s

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

Radeon RX 550
37.86 GTexel/s
Radeon RX 470D
135.1 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon RX 550
1,211 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 550  vs
GPU name Lexa Ellesmere
Clock speed 1,100 MHz 926 MHz
Turbo clock speed 1,183 MHz 1,206 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 512 1,792
Texture mapping units 32 112
Render output processors 16 32
Compute units 8 28
Pixel rate 18.93 GPixel/s 38.6 GPixel/s
Texture rate 37.86 GTexel/s 135.1 GTexel/s
Floating-point performance 1,211 GFLOPS 4,322 GFLOPS


Radeon RX 550  vs
Memory clock speed 1,750 MHz 1,650 MHz
Effective memory clock speed 7,000 MHz 6,600 MHz
Memory bus 128 bit 256 bit
Memory 2,048 MB 4,096 MB
Memory type GDDR5 GDDR5
Memory bandwidth 112 GB/s 211.2 GB/s

noise and power

TDP 50W 120W


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