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GeForce RTX 2080 vs Radeon RX 6800 XT

Intro

The GeForce RTX 2080 uses a 12 nm design. nVidia has clocked the core frequency at 1515 MHz. The GDDR6 memory is set to run at a speed of 1750 MHz on this specific model. It features 2944 SPUs along with 184 Texture Address Units and 64 ROPs.

Compare all of that to the Radeon RX 6800 XT, which features GPU clock speed of 1825 MHz, and 16384 MB of GDDR6 RAM set to run at 2000 MHz through a 256-bit bus. It also is made up of 4608 SPUs, 288 TAUs, and 128 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce RTX 2080 215 Watts
Radeon RX 6800 XT 300 Watts
Difference: 85 Watts (40%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 6800 XT should be a small bit faster than the GeForce RTX 2080 in general. (explain)

Radeon RX 6800 XT 524288 MB/sec
GeForce RTX 2080 458752 MB/sec
Difference: 65536 (14%)

Texel Rate

The Radeon RX 6800 XT is a lot (about 89%) better at AF than the GeForce RTX 2080. (explain)

Radeon RX 6800 XT 525600 Mtexels/sec
GeForce RTX 2080 278760 Mtexels/sec
Difference: 246840 (89%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon RX 6800 XT is superior to the GeForce RTX 2080, by far. (explain)

Radeon RX 6800 XT 233600 Mpixels/sec
GeForce RTX 2080 96960 Mpixels/sec
Difference: 136640 (141%)

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

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 Radeon RX 6800 XT
Manufacturer nVidia AMD
Year September 2018 November 2020
Code Name TU104-400A-A1 Navi 21
Memory 8192 MB 16384 MB
Core Speed 1515 MHz 1825 MHz
Memory Speed 1750 GB/s 2000 GB/s
Power (Max TDP) 215 watts 300 watts
Bandwidth 458752 MB/sec 524288 MB/sec
Texel Rate 278760 Mtexels/sec 525600 Mtexels/sec
Pixel Rate 96960 Mpixels/sec 233600 Mpixels/sec
Unified Shaders 2944 4608
Texture Mapping Units 184 288
Render Output Units 64 128
Bus Type GDDR6 GDDR6
Bus Width 256-bit 256-bit
Fab Process 12 nm 7 nm
Transistors (Unknown) 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 largest amount of data (counted in MB per second) that can be transported over the external memory interface within a second. It is calculated by multiplying the interface width by the speed of its memory. In the case of DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The better the texel rate, the better the 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 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 colour ROPs 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 output rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce RTX 2080

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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