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Radeon R9 295X2 vs Radeon RX 590

Intro

The Radeon R9 295X2 comes with core clock speeds of 1018 MHz on the GPU, and 1250 MHz on the 4096 MB of GDDR5 memory. It features 2816 SPUs along with 176 Texture Address Units and 64 Rasterization Operator Units.

Compare those specifications to the Radeon RX 590, which uses a 12 nm design. AMD has set the core frequency at 1469 MHz. The GDDR5 memory runs at a speed of 2000 MHz on this particular card. It features 2304 SPUs along with 144 Texture Address Units and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 590 175 Watts
Radeon R9 295X2 500 Watts
Difference: 325 Watts (186%)

Memory Bandwidth

In theory, the Radeon R9 295X2 will be 144% faster than the Radeon RX 590 overall, because of its higher data rate. (explain)

Radeon R9 295X2 640000 MB/sec
Radeon RX 590 262144 MB/sec
Difference: 377856 (144%)

Texel Rate

The Radeon R9 295X2 should be a lot (more or less 69%) better at AF than the Radeon RX 590. (explain)

Radeon R9 295X2 358336 Mtexels/sec
Radeon RX 590 211536 Mtexels/sec
Difference: 146800 (69%)

Pixel Rate

The Radeon R9 295X2 should be much (about 177%) better at FSAA than the Radeon RX 590, and will be able to handle higher screen resolutions without losing too much performance. (explain)

Radeon R9 295X2 130304 Mpixels/sec
Radeon RX 590 47008 Mpixels/sec
Difference: 83296 (177%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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Radeon R9 295X2

Amazon.com

Check prices at:

Radeon RX 590

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 295X2 Radeon RX 590
Manufacturer AMD AMD
Year April 2014 November 2018
Code Name Vesuvius Polaris 30
Memory 4096 MB (x2) 8192 MB
Core Speed 1018 MHz (x2) 1469 MHz
Memory Speed 5000 MHz (x2) 8000 MHz
Power (Max TDP) 500 watts 175 watts
Bandwidth 640000 MB/sec 262144 MB/sec
Texel Rate 358336 Mtexels/sec 211536 Mtexels/sec
Pixel Rate 130304 Mpixels/sec 47008 Mpixels/sec
Unified Shaders 2816 (x2) 2304
Texture Mapping Units 176 (x2) 144
Render Output Units 64 (x2) 32
Bus Type GDDR5 GDDR5
Bus Width 512-bit (x2) 256-bit
Fab Process 28 nm 12 nm
Transistors 6200 million 5700 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.2 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. It's calculated by multiplying the bus width by its memory clock speed. If it uses DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The better this number, the better the graphics 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 maximum amount of pixels the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the the card's 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 is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon R9 295X2

Amazon.com

Check prices at:

Radeon RX 590

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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