GeForce RTX 2080 vs Radeon RX 6900 XT

Intro

Compare those specifications to the Radeon RX 6900 XT, which comes with clock speeds of 1825 MHz on the GPU, and 2000 MHz on the 16384 MB of GDDR6 RAM. It features 5120 SPUs along with 320 Texture Address Units and 128 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce RTX 2080		215 Watts
Radeon RX 6900 XT		300 Watts
	Difference: 85 Watts (40%)

Memory Bandwidth

Performance-wise, the Radeon RX 6900 XT should in theory be a little bit better than the GeForce RTX 2080 in general. (explain)

Radeon RX 6900 XT		524288 MB/sec
GeForce RTX 2080		458752 MB/sec
	Difference: 65536 (14%)

Texel Rate

The Radeon RX 6900 XT should be a lot (approximately 109%) more effective at anisotropic filtering than the GeForce RTX 2080. (explain)

Radeon RX 6900 XT		584000 Mtexels/sec
GeForce RTX 2080		278760 Mtexels/sec
	Difference: 305240 (109%)

Pixel Rate

The Radeon RX 6900 XT is quite a bit (more or less 141%) more effective at FSAA than the GeForce RTX 2080, and also should be able to handle higher screen resolutions more effectively. (explain)

Radeon RX 6900 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

Specifications

Memory Bandwidth: Memory bandwidth is the max amount of information (counted in megabytes per second) that can be moved across the external memory interface within a second. It's calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range 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 number is worked out by multiplying the total amount of texture units of the card 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 processed in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.