GeForce RTX 2080 Ti vs Radeon RX 6800

Intro

Compare those specs to the Radeon RX 6800, which features GPU core speed of 1700 MHz, and 16384 MB of GDDR6 memory set to run at 2000 MHz through a 256-bit bus. It also is made up of 3840 SPUs, 240 TAUs, and 96 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

The GeForce RTX 2080 Ti should in theory perform a little bit faster than the Radeon RX 6800 in general. (explain)

GeForce RTX 2080 Ti		630784 MB/sec
Radeon RX 6800		524288 MB/sec
	Difference: 106496 (20%)

Texel Rate

The Radeon RX 6800 will be a bit (approximately 11%) better at AF than the GeForce RTX 2080 Ti. (explain)

Radeon RX 6800		408000 Mtexels/sec
GeForce RTX 2080 Ti		367200 Mtexels/sec
	Difference: 40800 (11%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon RX 6800 is superior to the GeForce RTX 2080 Ti, and very much so. (explain)

Radeon RX 6800		163200 Mpixels/sec
GeForce RTX 2080 Ti		118800 Mpixels/sec
	Difference: 44400 (37%)

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

Specifications

Memory Bandwidth: Memory bandwidth is the largest amount of data (in units of MB per second) that can be transported 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 memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.