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Radeon Pro Duo vs Radeon RX 6950 XT

Intro

The Radeon Pro Duo features a core clock speed of 1000 MHz and a HBM memory frequency of 500 MHz. It also features a 4096-bit bus, and uses a 28 nm design. It features 4096 SPUs, 256 Texture Address Units, and 64 Raster Operation Units.

Compare all that to the Radeon RX 6950 XT, which has a GPU core clock speed of 1925 MHz, and 16384 MB of GDDR6 memory set to run at 2250 MHz through a 256-bit bus. It also is made up of 5120 Stream Processors, 320 Texture Address Units, and 128 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6950 XT 335 Watts
Radeon Pro Duo 350 Watts
Difference: 15 Watts (4%)

Memory Bandwidth

In theory, the Radeon Pro Duo will be 74% quicker than the Radeon RX 6950 XT in general, due to its greater bandwidth. (explain)

Radeon Pro Duo 1024000 MB/sec
Radeon RX 6950 XT 589824 MB/sec
Difference: 434176 (74%)

Texel Rate

The Radeon RX 6950 XT should be a small bit (approximately 20%) faster with regards to texture filtering than the Radeon Pro Duo. (explain)

Radeon RX 6950 XT 616000 Mtexels/sec
Radeon Pro Duo 512000 Mtexels/sec
Difference: 104000 (20%)

Pixel Rate

The Radeon RX 6950 XT will be quite a bit (about 93%) faster with regards to AA than the Radeon Pro Duo, and also capable of handling higher screen resolutions better. (explain)

Radeon RX 6950 XT 246400 Mpixels/sec
Radeon Pro Duo 128000 Mpixels/sec
Difference: 118400 (93%)

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 6950 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 6950 XT
Manufacturer AMD AMD
Year April 2016 May 2022
Code Name Fiji XT Navi 21
Memory 4096 MB (x2) 16384 MB
Core Speed 1000 MHz (x2) 1925 MHz
Memory Speed 500 MHz (x2) 4500 GB/s
Power (Max TDP) 350 watts 335 watts
Bandwidth 1024000 MB/sec 589824 MB/sec
Texel Rate 512000 Mtexels/sec 616000 Mtexels/sec
Pixel Rate 128000 Mpixels/sec 246400 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: Bandwidth is the maximum amount of data (counted in MB per second) that can be transported past the external memory interface in one second. The number is calculated by multiplying the bus width by its memory clock speed. If the card has DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This figure is calculated by multiplying the total number of texture units by the core speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one 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 number is calculated by multiplying the number of Render Output Units by the clock speed of the card. 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 also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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Radeon Pro Duo

Amazon.com

Check prices at:

Radeon RX 6950 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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