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GeForce RTX 2080 SUPER vs Radeon RX 6800 XT

Intro

The GeForce RTX 2080 SUPER features a GPU clock speed of 1650 MHz, and the 8192 MB of GDDR6 RAM runs at 1937 MHz through a 256-bit bus. It also is comprised of 3072 Stream Processors, 192 TAUs, and 64 ROPs.

Compare those specs to the Radeon RX 6800 XT, which features GPU clock speed of 1825 MHz, and 16384 MB of GDDR6 memory set to run at 2000 MHz through a 256-bit bus. It also features 4608 Stream Processors, 288 Texture Address Units, and 128 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce RTX 2080 SUPER 250 Watts
Radeon RX 6800 XT 300 Watts
Difference: 50 Watts (20%)

Memory Bandwidth

The Radeon RX 6800 XT should theoretically be a bit faster than the GeForce RTX 2080 SUPER overall. (explain)

Radeon RX 6800 XT 524288 MB/sec
GeForce RTX 2080 SUPER 507904 MB/sec
Difference: 16384 (3%)

Texel Rate

The Radeon RX 6800 XT is much (more or less 66%) better at texture filtering than the GeForce RTX 2080 SUPER. (explain)

Radeon RX 6800 XT 525600 Mtexels/sec
GeForce RTX 2080 SUPER 316800 Mtexels/sec
Difference: 208800 (66%)

Pixel Rate

The Radeon RX 6800 XT will be much (more or less 121%) better at anti-aliasing than the GeForce RTX 2080 SUPER, and will be able to handle higher screen resolutions while still performing well. (explain)

Radeon RX 6800 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 6800 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 6800 XT
Manufacturer nVidia AMD
Year July 2019 November 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 525600 Mtexels/sec
Pixel Rate 105600 Mpixels/sec 233600 Mpixels/sec
Unified Shaders 3072 4608
Texture Mapping Units 192 288
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: Memory bandwidth is the largest amount of data (counted in megabytes per second) that can be moved over the external memory interface within a second. It is worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, 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 amount of texture map elements (texels) that are processed per second. This is worked out by multiplying the total number of 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 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 chip can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the clock 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 output rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce RTX 2080 SUPER

Amazon.com

Check prices at:

Radeon RX 6800 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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