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Radeon Pro Duo vs Radeon RX 5700 XT

Intro

The Radeon Pro Duo has core clock speeds of 1000 MHz on the GPU, and 500 MHz on the 4096 MB of HBM memory. It features 4096 SPUs as well as 256 Texture Address Units and 64 Rasterization Operator Units.

Compare those specifications to the Radeon RX 5700 XT, which comes with a clock speed of 1605 MHz and a GDDR6 memory speed of 14000 MHz. It also uses a 256-bit memory bus, and uses a 7 nm design. It features 2560 SPUs, 160 TAUs, and 64 Raster Operation Units.

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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

In theory, 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%) faster with regards to texture 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

The Radeon Pro Duo should be a lot (about 25%) better at anti-aliasing than the Radeon RX 5700 XT, and able to handle higher resolutions more effectively. (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)	28000 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: Bandwidth is the max amount of information (counted in megabytes per second) that can be moved past the external memory interface within a second. It is worked out by multiplying the bus width by its memory clock speed. In the case of DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's 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 can be processed in one second. This figure is calculated by multiplying the total number of texture units by the core clock speed of the chip. The better the texel rate, the better the video 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 maximum amount of pixels the graphics card can possibly record to its local memory per 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 - 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 lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

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