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Radeon Pro Duo vs Radeon RX 6800 XT

Intro

The Radeon Pro Duo comes with core clock speeds of 1000 MHz on the GPU, and 500 MHz on the 4096 MB of HBM memory. It features 4096 SPUs along with 256 Texture Address Units and 64 ROPs.

Compare all that to the Radeon RX 6800 XT, which has core clock speeds of 1825 MHz on the GPU, and 2000 MHz on the 16384 MB of GDDR6 memory. It features 4608 SPUs as well as 288 Texture Address Units and 128 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6800 XT 300 Watts
Radeon Pro Duo 350 Watts
Difference: 50 Watts (17%)

Memory Bandwidth

Performance-wise, the Radeon Pro Duo should in theory be quite a bit better than the Radeon RX 6800 XT in general. (explain)

Radeon Pro Duo 1024000 MB/sec
Radeon RX 6800 XT 524288 MB/sec
Difference: 499712 (95%)

Texel Rate

The Radeon RX 6800 XT will be a bit (approximately 3%) faster with regards to texture filtering than the Radeon Pro Duo. (explain)

Radeon RX 6800 XT 525600 Mtexels/sec
Radeon Pro Duo 512000 Mtexels/sec
Difference: 13600 (3%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon RX 6800 XT is a better choice, and very much so. (explain)

Radeon RX 6800 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 6800 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 6800 XT
Manufacturer AMD AMD
Year April 2016 November 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 525600 Mtexels/sec
Pixel Rate 128000 Mpixels/sec 233600 Mpixels/sec
Unified Shaders 4096 (x2) 4608
Texture Mapping Units 256 (x2) 288
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 largest amount of data (in units of megabytes per second) that can be moved across the external memory interface within a second. It is worked out by multiplying the card's interface width by its memory speed. In the case of DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This number is worked out by multiplying the total 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 applied per 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. The number is worked out by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon Pro Duo

Amazon.com

Check prices at:

Radeon RX 6800 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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