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Radeon RX 6900 XT vs Radeon RX 6950 XT

Intro

The Radeon RX 6900 XT comes with a GPU clock speed of 1825 MHz, and the 16384 MB of GDDR6 memory is set to run at 2000 MHz through a 256-bit bus. It also is comprised of 5120 SPUs, 320 Texture Address Units, and 128 Raster Operation Units.

Compare all of that to the Radeon RX 6950 XT, which makes use of a 7 nm design. AMD has clocked the core speed at 1925 MHz. The GDDR6 memory is set to run at a frequency of 2250 MHz on this specific card. It features 5120 SPUs as well as 320 Texture Address Units and 128 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6900 XT 300 Watts
Radeon RX 6950 XT 335 Watts
Difference: 35 Watts (12%)

Memory Bandwidth

In theory, the Radeon RX 6950 XT should perform a small bit faster than the Radeon RX 6900 XT overall. (explain)

Radeon RX 6950 XT 589824 MB/sec
Radeon RX 6900 XT 524288 MB/sec
Difference: 65536 (13%)

Texel Rate

The Radeon RX 6950 XT is just a bit (more or less 5%) more effective at AF than the Radeon RX 6900 XT. (explain)

Radeon RX 6950 XT 616000 Mtexels/sec
Radeon RX 6900 XT 584000 Mtexels/sec
Difference: 32000 (5%)

Pixel Rate

If using a high resolution is important to you, then the Radeon RX 6950 XT is a better choice, though not by far. (explain)

Radeon RX 6950 XT 246400 Mpixels/sec
Radeon RX 6900 XT 233600 Mpixels/sec
Difference: 12800 (5%)

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.

Price Comparison

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Radeon RX 6900 XT

Amazon.com

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Radeon RX 6950 XT

Amazon.com

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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 RX 6900 XT Radeon RX 6950 XT
Manufacturer AMD AMD
Year 2020 May 2022
Code Name Navi 21 Navi 21
Memory 16384 MB 16384 MB
Core Speed 1825 MHz 1925 MHz
Memory Speed 2000 GB/s 2250 GB/s
Power (Max TDP) 300 watts 335 watts
Bandwidth 524288 MB/sec 589824 MB/sec
Texel Rate 584000 Mtexels/sec 616000 Mtexels/sec
Pixel Rate 233600 Mpixels/sec 246400 Mpixels/sec
Unified Shaders 5120 5120
Texture Mapping Units 320 320
Render Output Units 128 128
Bus Type GDDR6 GDDR6
Bus Width 256-bit 256-bit
Fab Process 7 nm 7 nm
Transistors 26800 million 26800 million
Bus PCIe 4.0 x16 PCIe 4.0 x16
DirectX Version DirectX 12 DirectX 12
OpenGL Version OpenGL 4.6 OpenGL 4.6

Memory Bandwidth: Bandwidth is the largest amount of data (counted in megabytes per second) that can be transferred over the external memory interface in one second. It's worked out by multiplying the interface width by its memory speed. In the case of DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster 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 texture map elements (texels) that can be processed in one second. This is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number 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 fill rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

Radeon RX 6900 XT

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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