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Radeon Pro Duo vs Radeon RX 5700 XT

Intro

The Radeon Pro Duo features a GPU core speed of 1000 MHz, and the 4096 MB of HBM memory runs at 500 MHz through a 4096-bit bus. It also features 4096 Stream Processors, 256 Texture Address Units, and 64 Raster Operation Units.

Compare all that to the Radeon RX 5700 XT, which uses a 7 nm design. AMD has clocked the core speed at 1605 MHz. The GDDR6 memory runs at a speed of 1750 MHz on this particular card. It features 2560 SPUs along with 160 Texture Address Units and 64 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5700 XT		225 Watts
Radeon Pro Duo		350 Watts
	Difference: 125 Watts (56%)

Memory Bandwidth

Theoretically, the Radeon Pro Duo should be much faster than the Radeon RX 5700 XT in general. (explain)

Radeon Pro Duo		1024000 MB/sec
Radeon RX 5700 XT		458752 MB/sec
	Difference: 565248 (123%)

Texel Rate

The Radeon Pro Duo should be much (approximately 99%) more effective at anisotropic filtering than the Radeon RX 5700 XT. (explain)

Radeon Pro Duo		512000 Mtexels/sec
Radeon RX 5700 XT		256800 Mtexels/sec
	Difference: 255200 (99%)

Pixel Rate

If using a high resolution is important to you, then the Radeon Pro Duo is superior to the Radeon RX 5700 XT, and very much so. (explain)

Radeon Pro Duo		128000 Mpixels/sec
Radeon RX 5700 XT		102720 Mpixels/sec
	Difference: 25280 (25%)

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 Pro Duo

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Radeon RX 5700 XT

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Specifications

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Model	Radeon Pro Duo	Radeon RX 5700 XT
Manufacturer	AMD	AMD
Year	April 2016	July 2019
Code Name	Fiji XT	Navi 10
Memory	4096 MB (x2)	8096 MB
Core Speed	1000 MHz (x2)	1605 MHz
Memory Speed	500 MHz (x2)	3500 GB/s
Power (Max TDP)	350 watts	225 watts
Bandwidth	1024000 MB/sec	458752 MB/sec
Texel Rate	512000 Mtexels/sec	256800 Mtexels/sec
Pixel Rate	128000 Mpixels/sec	102720 Mpixels/sec
Unified Shaders	4096 (x2)	2560
Texture Mapping Units	256 (x2)	160
Render Output Units	64 (x2)	64
Bus Type	HBM	GDDR6
Bus Width	4096-bit (x2)	256-bit
Fab Process	28 nm	7 nm
Transistors	8900 million	10300 million
Bus	PCIe 3.0 x16	PCIe 4.0 ×16
DirectX Version	DirectX 12.0	DirectX 12
OpenGL Version	OpenGL 4.5	OpenGL 4.6

Memory Bandwidth: Memory bandwidth is the maximum amount of data (counted in megabytes per second) that can be transferred across the external memory interface in a second. The number is worked out by multiplying the bus width by its memory speed. In the case of DDR type RAM, it must be multiplied by 2 once 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 number of texture map elements (texels) that can be applied in one second. This number is calculated by multiplying the total number of texture units by the core 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 number of pixels that the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the clock 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 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 potential to reach the max fill rate.

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