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Radeon R9 M375X vs Radeon RX Vega 56

Intro

The Radeon R9 M375X makes use of a 28 nm design. AMD has set the core frequency at 1015 MHz. The GDDR5 memory runs at a speed of 1125 MHz on this model. It features 640 SPUs as well as 40 Texture Address Units and 16 ROPs.

Compare all that to the Radeon RX Vega 56, which makes use of a 14 nm design. AMD has set the core frequency at 1156 MHz. The HBM2 RAM runs at a speed of 1600 MHz on this specific model. It features 3584 SPUs along with 224 Texture Address Units and 64 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon RX Vega 56 will be 483% faster than the Radeon R9 M375X in general, because of its higher bandwidth. (explain)

Radeon RX Vega 56 419430 MB/sec
Radeon R9 M375X 72000 MB/sec
Difference: 347430 (483%)

Texel Rate

The Radeon RX Vega 56 is a lot (about 538%) faster with regards to texture filtering than the Radeon R9 M375X. (explain)

Radeon RX Vega 56 258944 Mtexels/sec
Radeon R9 M375X 40600 Mtexels/sec
Difference: 218344 (538%)

Pixel Rate

The Radeon RX Vega 56 will be a lot (approximately 356%) more effective at AA than the Radeon R9 M375X, and also will be capable of handling higher screen resolutions better. (explain)

Radeon RX Vega 56 73984 Mpixels/sec
Radeon R9 M375X 16240 Mpixels/sec
Difference: 57744 (356%)

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 M375X

Amazon.com

Check prices at:

Radeon RX Vega 56

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 M375X Radeon RX Vega 56
Manufacturer AMD AMD
Year 2015 September 2017
Code Name Cape Verde Vega 10 XL
Memory 4096 MB 8192 MB
Core Speed 1015 MHz 1156 MHz
Memory Speed 4500 MHz 1600 MHz
Power (Max TDP) (Unknown) watts 210 watts
Bandwidth 72000 MB/sec 419430 MB/sec
Texel Rate 40600 Mtexels/sec 258944 Mtexels/sec
Pixel Rate 16240 Mpixels/sec 73984 Mpixels/sec
Unified Shaders 640 3584
Texture Mapping Units 40 224
Render Output Units 16 64
Bus Type GDDR5 HBM2
Bus Width 128-bit 2048-bit
Fab Process 28 nm 14 nm
Transistors (Unknown) million 12500 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: Memory bandwidth is the maximum amount of information (measured in MB per second) that can be moved over the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory speed. If it uses DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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Radeon R9 M375X

Amazon.com

Check prices at:

Radeon RX Vega 56

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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