GeForce RTX 3080 12 GB vs Radeon RX 6500 XT

Intro

Compare all that to the Radeon RX 6500 XT, which comes with core clock speeds of 2200 MHz on the GPU, and 2250 MHz on the 4096 MB of GDDR6 memory. It features 1024 SPUs along with 64 Texture Address Units and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6500 XT		107 Watts
GeForce RTX 3080 12 GB		350 Watts
	Difference: 243 Watts (227%)

Memory Bandwidth

Performance-wise, the GeForce RTX 3080 12 GB should in theory be quite a bit superior to the Radeon RX 6500 XT in general. (explain)

GeForce RTX 3080 12 GB		934298 MB/sec
Radeon RX 6500 XT		147456 MB/sec
	Difference: 786842 (534%)

Texel Rate

The GeForce RTX 3080 12 GB is quite a bit (approximately 151%) better at texture filtering than the Radeon RX 6500 XT. (explain)

GeForce RTX 3080 12 GB		352800 Mtexels/sec
Radeon RX 6500 XT		140800 Mtexels/sec
	Difference: 212000 (151%)

Pixel Rate

The GeForce RTX 3080 12 GB should be much (more or less 100%) better at anti-aliasing than the Radeon RX 6500 XT, and also should be able to handle higher resolutions without slowing down too much. (explain)

GeForce RTX 3080 12 GB		141120 Mpixels/sec
Radeon RX 6500 XT		70400 Mpixels/sec
	Difference: 70720 (100%)

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 data (counted in MB per second) that can be transported across the external memory interface in a second. It's calculated by multiplying the bus width by its memory clock speed. If it uses DDR RAM, 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, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed in one second. This number is worked out by multiplying the total texture units by the core speed of the chip. The better the texel rate, the better the graphics 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 amount of pixels the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the core 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 fill rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.