Radeon R9 295X2 vs Radeon RX 590

Intro

Compare all of that to the Radeon RX 590, which makes use of a 12 nm design. AMD has set the core frequency at 1469 MHz. The GDDR5 memory is set to run at a frequency of 2000 MHz on this specific card. It features 2304 SPUs along with 144 Texture Address Units and 32 ROPs.

Display Graphs

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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

Theoretically speaking, the Radeon R9 295X2 is 144% quicker than the Radeon RX 590 in general, due to 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 much (more or less 69%) more effective at anisotropic filtering 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 is quite a bit (more or less 177%) better at full screen anti-aliasing than the Radeon RX 590, and also will be able to handle higher screen resolutions while still performing well. (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

Specifications

Memory Bandwidth: Bandwidth is the max amount of data (in units of megabytes per second) that can be transported over the external memory interface in a second. It is calculated by multiplying the bus width by its memory clock speed. If the card has DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher 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 amount of texture map elements (texels) that are processed in one second. This figure is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.