GeForce RTX 2080 vs Radeon RX 5700 XT 50th Anniversary Edition

Intro

Compare those specifications to the Radeon RX 5700 XT 50th Anniversary Edition, which features clock speeds of 1680 MHz on the GPU, and 1750 MHz on the 8096 MB of GDDR6 memory. It features 2560 SPUs as well as 160 TAUs and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce RTX 2080		215 Watts
Radeon RX 5700 XT 50th Anniversary Edition		235 Watts
	Difference: 20 Watts (9%)

Memory Bandwidth

Both cards have exactly the same bandwidth, so theoretically they should have identical performance. (explain)

Texel Rate

The GeForce RTX 2080 is a small bit (more or less 4%) better at texture filtering than the Radeon RX 5700 XT 50th Anniversary Edition. (explain)

GeForce RTX 2080		278760 Mtexels/sec
Radeon RX 5700 XT 50th Anniversary Edition		268800 Mtexels/sec
	Difference: 9960 (4%)

Pixel Rate

The Radeon RX 5700 XT 50th Anniversary Edition is a bit (about 11%) better at anti-aliasing than the GeForce RTX 2080, and also should be able to handle higher resolutions more effectively. (explain)

Radeon RX 5700 XT 50th Anniversary Edition		107520 Mpixels/sec
GeForce RTX 2080		96960 Mpixels/sec
	Difference: 10560 (11%)

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: Bandwidth is the maximum amount of data (measured in megabytes per second) that can be transported past the external memory interface in one second. The number is calculated by multiplying the bus width by its memory clock speed. If the card has DDR type memory, it should be multiplied by 2 once 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, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This number is worked out by multiplying the total number of texture units of the card by the core 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 in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.