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Radeon R9 M365X vs Radeon R9 M380

Intro

The Radeon R9 M365X features a core clock speed of 925 MHz and a GDDR5 memory speed of 1125 MHz. It also uses a 128-bit memory bus, and uses a 28 nm design. It is made up of 640 SPUs, 40 Texture Address Units, and 16 ROPs.

Compare all that to the Radeon R9 M380, which makes use of a 28 nm design. AMD has clocked the core frequency at 1000 MHz. The GDDR5 RAM is set to run at a frequency of 1500 MHz on this model. It features 640 SPUs as well as 40 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon R9 M380 should perform quite a bit faster than the Radeon R9 M365X in general. (explain)

Radeon R9 M380 96000 MB/sec
Radeon R9 M365X 72000 MB/sec
Difference: 24000 (33%)

Texel Rate

The Radeon R9 M380 will be a bit (about 8%) faster with regards to texture filtering than the Radeon R9 M365X. (explain)

Radeon R9 M380 40000 Mtexels/sec
Radeon R9 M365X 37000 Mtexels/sec
Difference: 3000 (8%)

Pixel Rate

The Radeon R9 M380 should be a little bit (about 8%) more effective at anti-aliasing than the Radeon R9 M365X, and also able to handle higher resolutions without slowing down too much. (explain)

Radeon R9 M380 16000 Mpixels/sec
Radeon R9 M365X 14800 Mpixels/sec
Difference: 1200 (8%)

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 M365X

Amazon.com

Check prices at:

Radeon R9 M380

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 M365X Radeon R9 M380
Manufacturer AMD AMD
Year 2015 2015
Code Name Cape Verde Cape Verde
Memory 4096 MB 4096 MB
Core Speed 925 MHz 1000 MHz
Memory Speed 4500 MHz 6000 MHz
Power (Max TDP) (Unknown) watts (Unknown) watts
Bandwidth 72000 MB/sec 96000 MB/sec
Texel Rate 37000 Mtexels/sec 40000 Mtexels/sec
Pixel Rate 14800 Mpixels/sec 16000 Mpixels/sec
Unified Shaders 640 640
Texture Mapping Units 40 40
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 12
OpenGL Version OpenGL 4.3 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of information (in units of MB per second) that can be moved across the external memory interface within a second. The number is worked out by multiplying the card's interface width by its memory speed. In the case of DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This is worked out by multiplying the total texture units by the core speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

Radeon R9 M365X

Amazon.com

Check prices at:

Radeon R9 M380

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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