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Radeon RX 6900 XT vs Radeon RX 6950 XT

Intro

The Radeon RX 6900 XT features core clock speeds of 1825 MHz on the GPU, and 2000 MHz on the 16384 MB of GDDR6 memory. It features 5120 SPUs along with 320 Texture Address Units and 128 ROPs.

Compare those specifications to the Radeon RX 6950 XT, which features a clock speed of 1925 MHz and a GDDR6 memory frequency of 2250 MHz. It also makes use of a 256-bit bus, and uses a 7 nm design. It is comprised of 5120 SPUs, 320 Texture Address Units, and 128 ROPs.

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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 be a small bit faster than the Radeon RX 6900 XT in general. (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 will be a bit (more or less 5%) better at anisotropic filtering 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 screen resolution is important to you, then the Radeon RX 6950 XT is a better choice, but it probably won't make a huge difference. (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 MB per second) that can be transferred across the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory speed. In the case of DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total texture units by the core speed of the chip. The higher this number, the better the graphics 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 number of pixels that the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum 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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