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Radeon Pro Duo vs Radeon RX 6950 XT

Intro

The Radeon Pro Duo comes with a clock frequency of 1000 MHz and a HBM memory frequency of 500 MHz. It also uses a 4096-bit memory bus, and makes use of a 28 nm design. It is comprised of 4096 SPUs, 256 TAUs, and 64 ROPs.

Compare those specs to the Radeon RX 6950 XT, which features GPU core speed of 1925 MHz, and 16384 MB of GDDR6 RAM running at 2250 MHz through a 256-bit bus. It also is comprised of 5120 SPUs, 320 TAUs, 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

As far as performance goes, the Radeon Pro Duo should theoretically be a lot better than the Radeon RX 6950 XT in general. (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 (more or less 20%) faster with regards to anisotropic 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 is much (more or less 93%) more effective at anti-aliasing than the Radeon Pro Duo, and also will be able to handle higher screen resolutions while still performing well. (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 information (in units of megabytes per second) that can be transferred across the external memory interface in one second. It's calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR type RAM, it should be multiplied by 2 once 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 AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed in one second. This is worked out by multiplying the total amount of texture units by the core speed of the chip. The higher this number, the better the graphics card will be at 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 that the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the the card's clock speed. 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 fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max 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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