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GeForce RTX 2080 SUPER vs Radeon RX 6900 XT

Intro

The GeForce RTX 2080 SUPER comes with core speeds of 1650 MHz on the GPU, and 1937 MHz on the 8192 MB of GDDR6 RAM. It features 3072 SPUs along with 192 TAUs and 64 Rasterization Operator Units.

Compare those specifications to the Radeon RX 6900 XT, which comes with a clock frequency of 1825 MHz and a GDDR6 memory speed of 2000 MHz. It also uses a 256-bit memory bus, and uses a 7 nm design. It is made up of 5120 SPUs, 320 Texture Address Units, and 128 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce RTX 2080 SUPER 250 Watts
Radeon RX 6900 XT 300 Watts
Difference: 50 Watts (20%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 6900 XT should be just a bit faster than the GeForce RTX 2080 SUPER in general. (explain)

Radeon RX 6900 XT 524288 MB/sec
GeForce RTX 2080 SUPER 507904 MB/sec
Difference: 16384 (3%)

Texel Rate

The Radeon RX 6900 XT should be a lot (more or less 84%) better at AF than the GeForce RTX 2080 SUPER. (explain)

Radeon RX 6900 XT 584000 Mtexels/sec
GeForce RTX 2080 SUPER 316800 Mtexels/sec
Difference: 267200 (84%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon RX 6900 XT is a better choice, by far. (explain)

Radeon RX 6900 XT 233600 Mpixels/sec
GeForce RTX 2080 SUPER 105600 Mpixels/sec
Difference: 128000 (121%)

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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GeForce RTX 2080 SUPER

Amazon.com

Check prices at:

Radeon RX 6900 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 GeForce RTX 2080 SUPER Radeon RX 6900 XT
Manufacturer nVidia AMD
Year July 2019 2020
Code Name TU104-450-A1 Navi 21
Memory 8192 MB 16384 MB
Core Speed 1650 MHz 1825 MHz
Memory Speed 1937 GB/s 2000 GB/s
Power (Max TDP) 250 watts 300 watts
Bandwidth 507904 MB/sec 524288 MB/sec
Texel Rate 316800 Mtexels/sec 584000 Mtexels/sec
Pixel Rate 105600 Mpixels/sec 233600 Mpixels/sec
Unified Shaders 3072 5120
Texture Mapping Units 192 320
Render Output Units 64 128
Bus Type GDDR6 GDDR6
Bus Width 256-bit 256-bit
Fab Process 12 nm 7 nm
Transistors 13600 million 26800 million
Bus PCIe 3.0 x16 PCIe 4.0 x16
DirectX Version DirectX 12 DirectX 12
OpenGL Version OpenGL 4.6 OpenGL 4.6

Memory Bandwidth: Bandwidth is the maximum amount of data (measured in MB per second) that can be transferred past the external memory interface within a second. The number is calculated by multiplying the card's bus width by its memory clock speed. If the card has DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce RTX 2080 SUPER

Amazon.com

Check prices at:

Radeon RX 6900 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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