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Radeon R9 285 vs Radeon RX Vega 56

Intro

The Radeon R9 285 makes use of a 28 nm design. AMD has set the core frequency at 918 MHz. The GDDR5 memory runs at a frequency of 1375 MHz on this specific card. It features 1792 SPUs along with 112 TAUs and 32 Rasterization Operator Units.

Compare those specifications 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 is set to run at a speed of 1600 MHz on this specific card. It features 3584 SPUs along with 224 TAUs and 64 Rasterization Operator 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

Performance-wise, the Radeon RX Vega 56 should theoretically be a lot superior to 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 is much (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

The Radeon RX Vega 56 is quite a bit (about 152%) better at anti-aliasing than the Radeon R9 285, and capable of handling higher resolutions better. (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

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 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: Bandwidth is the maximum amount of data (counted in MB per second) that can be moved across the external memory interface within a second. It's worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, 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 can be processed in one second. This figure is worked out by multiplying the total number of texture units by the core speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the the core clock speed. 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 rate also depends on quite a few 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 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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