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Radeon RX 6800 XT vs Radeon RX 6950 XT

Intro

The Radeon RX 6800 XT comes with a clock frequency of 1825 MHz and a GDDR6 memory frequency of 2000 MHz. It also features a 256-bit bus, and makes use of a 7 nm design. It features 4608 SPUs, 288 TAUs, and 128 ROPs.

Compare all that to the Radeon RX 6950 XT, which features core clock speeds of 1925 MHz on the GPU, and 2250 MHz on the 16384 MB of GDDR6 RAM. It features 5120 SPUs as well as 320 TAUs and 128 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6800 XT 300 Watts
Radeon RX 6950 XT 335 Watts
Difference: 35 Watts (12%)

Memory Bandwidth

In theory, the Radeon RX 6950 XT should be 13% quicker than the Radeon RX 6800 XT in general, due to its higher bandwidth. (explain)

Radeon RX 6950 XT 589824 MB/sec
Radeon RX 6800 XT 524288 MB/sec
Difference: 65536 (13%)

Texel Rate

The Radeon RX 6950 XT will be a small bit (more or less 17%) faster with regards to AF than the Radeon RX 6800 XT. (explain)

Radeon RX 6950 XT 616000 Mtexels/sec
Radeon RX 6800 XT 525600 Mtexels/sec
Difference: 90400 (17%)

Pixel Rate

If using a high resolution is important to you, then the Radeon RX 6950 XT is a better choice, but only just. (explain)

Radeon RX 6950 XT 246400 Mpixels/sec
Radeon RX 6800 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 6800 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 6800 XT Radeon RX 6950 XT
Manufacturer AMD AMD
Year November 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 525600 Mtexels/sec 616000 Mtexels/sec
Pixel Rate 233600 Mpixels/sec 246400 Mpixels/sec
Unified Shaders 4608 5120
Texture Mapping Units 288 320
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 information (measured in megabytes per second) that can be moved over the external memory interface in one second. The number is worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR type RAM, it should be multiplied by 2 once again. If 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, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This number 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 applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly record to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon RX 6800 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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