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Radeon Pro Duo vs Radeon RX 6900 XT

Intro

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

Compare those specs to the Radeon RX 6900 XT, which features a core clock speed of 1825 MHz and a GDDR6 memory frequency of 2000 MHz. It also uses a 256-bit memory bus, and makes use of a 7 nm design. It is comprised of 5120 SPUs, 320 Texture Address Units, and 128 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6900 XT 300 Watts
Radeon Pro Duo 350 Watts
Difference: 50 Watts (17%)

Memory Bandwidth

In theory, the Radeon Pro Duo will be 95% quicker than the Radeon RX 6900 XT overall, due to its higher data rate. (explain)

Radeon Pro Duo 1024000 MB/sec
Radeon RX 6900 XT 524288 MB/sec
Difference: 499712 (95%)

Texel Rate

The Radeon RX 6900 XT should be a small bit (approximately 14%) faster with regards to AF than the Radeon Pro Duo. (explain)

Radeon RX 6900 XT 584000 Mtexels/sec
Radeon Pro Duo 512000 Mtexels/sec
Difference: 72000 (14%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon RX 6900 XT is superior to the Radeon Pro Duo, by far. (explain)

Radeon RX 6900 XT 233600 Mpixels/sec
Radeon Pro Duo 128000 Mpixels/sec
Difference: 105600 (83%)

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

Amazon.com

Check prices at:

Radeon RX 6900 XT

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 Pro Duo Radeon RX 6900 XT
Manufacturer AMD AMD
Year April 2016 2020
Code Name Fiji XT Navi 21
Memory 4096 MB (x2) 16384 MB
Core Speed 1000 MHz (x2) 1825 MHz
Memory Speed 500 MHz (x2) 4000 GB/s
Power (Max TDP) 350 watts 300 watts
Bandwidth 1024000 MB/sec 524288 MB/sec
Texel Rate 512000 Mtexels/sec 584000 Mtexels/sec
Pixel Rate 128000 Mpixels/sec 233600 Mpixels/sec
Unified Shaders 4096 (x2) 5120
Texture Mapping Units 256 (x2) 320
Render Output Units 64 (x2) 128
Bus Type HBM GDDR6
Bus Width 4096-bit (x2) 256-bit
Fab Process 28 nm 7 nm
Transistors 8900 million 26800 million
Bus PCIe 3.0 x16 PCIe 4.0 x16
DirectX Version DirectX 12.0 DirectX 12
OpenGL Version OpenGL 4.5 OpenGL 4.6

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in MB per second) that can be moved past the external memory interface within a second. The number is worked out by multiplying the interface width by its memory clock speed. In the case of DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This figure is worked out by multiplying the total texture units by the core speed of the chip. The higher this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the the core clock speed. 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 lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon Pro Duo

Amazon.com

Check prices at:

Radeon RX 6900 XT

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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