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GeForce RTX 2080 SUPER vs Radeon RX 6900 XT

Intro

The GeForce RTX 2080 SUPER features a core clock frequency of 1650 MHz and a GDDR6 memory speed of 1937 MHz. It also features a 256-bit bus, and uses a 12 nm design. It is comprised of 3072 SPUs, 192 TAUs, and 64 Raster Operation Units.

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

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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

As far as performance goes, the Radeon RX 6900 XT should in theory be a bit better 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 will be much (approximately 84%) better at anisotropic filtering 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

The Radeon RX 6900 XT should be quite a bit (approximately 121%) better at full screen anti-aliasing than the GeForce RTX 2080 SUPER, and should be capable of handling higher resolutions more effectively. (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 (counted in MB per second) that can be moved over the external memory interface within a second. It is calculated by multiplying the card's interface width by its memory speed. If it uses DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the clock speed of the card. 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 rate is also dependant on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to 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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