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Radeon R9 M385X vs Radeon RX Vega 56

Intro

The Radeon R9 M385X makes use of a 28 nm design. AMD has set the core speed at 1100 MHz. The GDDR5 memory works at a frequency of 1500 MHz on this particular model. It features 896 SPUs as well as 56 TAUs and 16 ROPs.

Compare all of that to the Radeon RX Vega 56, which comes with clock speeds of 1156 MHz on the GPU, and 1600 MHz on the 8192 MB of HBM2 memory. It features 3584 SPUs as well as 224 TAUs and 64 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the Radeon RX Vega 56 should in theory be a lot superior to the Radeon R9 M385X overall. (explain)

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

Texel Rate

The Radeon RX Vega 56 will be a lot (approximately 320%) more effective 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 (approximately 320%) faster with regards to FSAA than the Radeon R9 M385X, and also able to handle higher screen resolutions while still performing well. (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

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 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: Memory bandwidth is the max amount of information (counted in MB per second) that can be moved past the external memory interface in a second. It is calculated by multiplying the card's interface width by its memory speed. If it uses DDR memory, the result should 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, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This figure is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, the better the video card will be at handling 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 the video card could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon R9 M385X

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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