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Radeon R9 285 vs Radeon RX Vega 56

Intro

The Radeon R9 285 features a GPU core clock speed of 918 MHz, and the 2048 MB of GDDR5 RAM runs at 1375 MHz through a 256-bit bus. It also features 1792 SPUs, 112 TAUs, and 32 Raster Operation Units.

Compare all that to the Radeon RX Vega 56, which comes with GPU clock speed of 1156 MHz, and 8192 MB of HBM2 RAM running at 1600 MHz through a 2048-bit bus. It also is made up of 3584 SPUs, 224 Texture Address Units, and 64 Raster Operation Units.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon RX Vega 56 21011 points
Radeon R9 285 8500 points
Difference: 12511 (147%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 285 190 Watts
Radeon RX Vega 56 210 Watts
Difference: 20 Watts (11%)

Memory Bandwidth

In theory, the Radeon RX Vega 56 should be a lot faster than the Radeon R9 285 in general. (explain)

Radeon RX Vega 56 419430 MB/sec
Radeon R9 285 176000 MB/sec
Difference: 243430 (138%)

Texel Rate

The Radeon RX Vega 56 will be quite a bit (about 152%) more effective at anisotropic filtering than the Radeon R9 285. (explain)

Radeon RX Vega 56 258944 Mtexels/sec
Radeon R9 285 102816 Mtexels/sec
Difference: 156128 (152%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon RX Vega 56 is a better choice, and very much so. (explain)

Radeon RX Vega 56 73984 Mpixels/sec
Radeon R9 285 29376 Mpixels/sec
Difference: 44608 (152%)

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 285

Amazon.com

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Radeon RX Vega 56

Amazon.com

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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 285 Radeon RX Vega 56
Manufacturer AMD AMD
Year September 2014 September 2017
Code Name Tonga PRO Vega 10 XL
Memory 2048 MB 8192 MB
Core Speed 918 MHz 1156 MHz
Memory Speed 5500 MHz 1600 MHz
Power (Max TDP) 190 watts 210 watts
Bandwidth 176000 MB/sec 419430 MB/sec
Texel Rate 102816 Mtexels/sec 258944 Mtexels/sec
Pixel Rate 29376 Mpixels/sec 73984 Mpixels/sec
Unified Shaders 1792 3584
Texture Mapping Units 112 224
Render Output Units 32 64
Bus Type GDDR5 HBM2
Bus Width 256-bit 2048-bit
Fab Process 28 nm 14 nm
Transistors 5000 million 12500 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 12.0
OpenGL Version OpenGL 4.4 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of information (counted in megabytes per second) that can be moved over the external memory interface in one second. It is worked out by multiplying the bus width by its memory speed. If the card has DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better 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 are processed per second. This figure is calculated by multiplying the total number of texture units by the core speed of the chip. The better this number, 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 that the graphics chip could possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, most notably 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 285

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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