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Radeon R9 M385X vs Radeon RX Vega 56

Intro

The Radeon R9 M385X comes with core clock speeds of 1100 MHz on the GPU, and 1500 MHz on the 4096 MB of GDDR5 memory. It features 896 SPUs as well as 56 TAUs and 16 Rasterization Operator Units.

Compare those specifications to the Radeon RX Vega 56, which has a GPU core clock speed of 1156 MHz, and 8192 MB of HBM2 memory set to run at 1600 MHz through a 2048-bit bus. It also features 3584 SPUs, 224 TAUs, and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon RX Vega 56 will be 337% quicker than the Radeon R9 M385X in general, due to its higher data rate. (explain)

Radeon RX Vega 56 419430 MB/sec
Radeon R9 M385X 96000 MB/sec
Difference: 323430 (337%)

Texel Rate

The Radeon RX Vega 56 is quite a bit (approximately 320%) better at texture filtering than the Radeon R9 M385X. (explain)

Radeon RX Vega 56 258944 Mtexels/sec
Radeon R9 M385X 61600 Mtexels/sec
Difference: 197344 (320%)

Pixel Rate

The Radeon RX Vega 56 is much (about 320%) better at full screen anti-aliasing than the Radeon R9 M385X, and also will be capable of handling higher resolutions without losing too much performance. (explain)

Radeon RX Vega 56 73984 Mpixels/sec
Radeon R9 M385X 17600 Mpixels/sec
Difference: 56384 (320%)

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 M385X

Amazon.com

Radeon RX Vega 56

Amazon.com

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 M385X Radeon RX Vega 56
Manufacturer AMD AMD
Year 2015 September 2017
Code Name Bonaire Vega 10 XL
Memory 4096 MB 8192 MB
Core Speed 1100 MHz 1156 MHz
Memory Speed 6000 MHz 1600 MHz
Power (Max TDP) (Unknown) watts 210 watts
Bandwidth 96000 MB/sec 419430 MB/sec
Texel Rate 61600 Mtexels/sec 258944 Mtexels/sec
Pixel Rate 17600 Mpixels/sec 73984 Mpixels/sec
Unified Shaders 896 3584
Texture Mapping Units 56 224
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: Bandwidth is the max amount of data (measured in MB per second) that can be moved over the external memory interface in one second. The number is worked out by multiplying the card's bus width by its memory speed. In the case of DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

Radeon R9 M385X

Amazon.com

Radeon RX Vega 56

Amazon.com

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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