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Radeon R9 M380 vs Radeon RX 550

Intro

The Radeon R9 M380 uses a 28 nm design. AMD has set the core speed at 1000 MHz. The GDDR5 memory is set to run at a speed of 1500 MHz on this particular model. It features 640 SPUs as well as 40 Texture Address Units and 16 ROPs.

Compare all of that to the Radeon RX 550, which comes with GPU core speed of 1100 MHz, and 2048 MB of GDDR5 RAM set to run at 1750 MHz through a 128-bit bus. It also features 512 Stream Processors, 32 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon RX 550 is 19% quicker than the Radeon R9 M380 in general, because of its greater data rate. (explain)

Radeon RX 550 114688 MB/sec
Radeon R9 M380 96000 MB/sec
Difference: 18688 (19%)

Texel Rate

The Radeon R9 M380 is just a bit (approximately 14%) better at AF than the Radeon RX 550. (explain)

Radeon R9 M380 40000 Mtexels/sec
Radeon RX 550 35200 Mtexels/sec
Difference: 4800 (14%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon RX 550 is superior to the Radeon R9 M380, not by a very large margin though. (explain)

Radeon RX 550 17600 Mpixels/sec
Radeon R9 M380 16000 Mpixels/sec
Difference: 1600 (10%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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Radeon R9 M380

Amazon.com

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Radeon RX 550

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model Radeon R9 M380 Radeon RX 550
Manufacturer AMD AMD
Year 2015 April 2017
Code Name Cape Verde Polaris 12
Memory 4096 MB 2048 MB
Core Speed 1000 MHz 1100 MHz
Memory Speed 6000 MHz 7000 MHz
Power (Max TDP) (Unknown) watts 50 watts
Bandwidth 96000 MB/sec 114688 MB/sec
Texel Rate 40000 Mtexels/sec 35200 Mtexels/sec
Pixel Rate 16000 Mpixels/sec 17600 Mpixels/sec
Unified Shaders 640 512
Texture Mapping Units 40 32
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 14 nm
Transistors (Unknown) million 2200 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 12.0
OpenGL Version OpenGL 4.3 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in megabytes per second) that can be moved past the external memory interface in a second. It's calculated by multiplying the card's bus width by its memory speed. If it uses DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon R9 M380

Amazon.com

Check prices at:

Radeon RX 550

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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