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GeForce RTX 2080 SUPER vs Radeon RX 6800 XT

Intro

The GeForce RTX 2080 SUPER has a clock frequency of 1650 MHz and a GDDR6 memory frequency of 1937 MHz. It also makes use of a 256-bit memory bus, and uses a 12 nm design. It features 3072 SPUs, 192 Texture Address Units, and 64 ROPs.

Compare those specifications to the Radeon RX 6800 XT, which uses a 7 nm design. AMD has clocked the core speed at 1825 MHz. The GDDR6 memory runs at a frequency of 2000 MHz on this particular model. It features 4608 SPUs as well as 288 Texture Address Units and 128 ROPs.

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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

In theory, the Radeon RX 6800 XT should perform just 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 will be quite a bit (approximately 66%) faster with regards to anisotropic 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 is quite a bit (approximately 121%) more effective at full screen anti-aliasing than the GeForce RTX 2080 SUPER, and also will be capable of handling higher resolutions better. (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 maximum amount of data (in units of megabytes per second) that can be transported past the external memory interface within a second. It's calculated by multiplying the card's bus width by its memory speed. If it uses DDR type memory, it should be multiplied by 2 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 number of texture map elements (texels) that can be applied in one second. This figure 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the core clock speed. 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 lots of other factors, especially the memory bandwidth - the lower the 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 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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