Radeon Pro Duo vs Radeon RX 580

Intro

Compare all of that to the Radeon RX 580, which has GPU core speed of 1257 MHz, and 8192 MB of GDDR5 RAM set to run at 2000 MHz through a 256-bit bus. It also features 2304 SPUs, 144 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

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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 Pro Duo		27167 points
Radeon RX 580		13630 points
	Difference: 13537 (99%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 580		185 Watts
Radeon Pro Duo		350 Watts
	Difference: 165 Watts (89%)

Memory Bandwidth

Theoretically, the Radeon Pro Duo should perform quite a bit faster than the Radeon RX 580 in general. (explain)

Radeon Pro Duo		1024000 MB/sec
Radeon RX 580		262144 MB/sec
	Difference: 761856 (291%)

Texel Rate

The Radeon Pro Duo should be a lot (approximately 183%) faster with regards to AF than the Radeon RX 580. (explain)

Radeon Pro Duo		512000 Mtexels/sec
Radeon RX 580		181008 Mtexels/sec
	Difference: 330992 (183%)

Pixel Rate

The Radeon Pro Duo should be quite a bit (more or less 218%) more effective at AA than the Radeon RX 580, and should be capable of handling higher screen resolutions better. (explain)

Radeon Pro Duo		128000 Mpixels/sec
Radeon RX 580		40224 Mpixels/sec
	Difference: 87776 (218%)

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 maximum amount of information (in units of MB per second) that can be transferred across the external memory interface in one second. It's worked out by multiplying the bus width by its memory clock speed. If the card has DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. 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 processed in one second. This number is calculated by multiplying the total number of texture units of the card by the core clock 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 per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.