GeForce RTX 3080 Ti vs Radeon RX 580

Intro

Compare that to the Radeon RX 580, which makes use of a 14 nm design. AMD has clocked the core speed at 1257 MHz. The GDDR5 memory runs at a speed of 2000 MHz on this model. It features 2304 SPUs as well as 144 TAUs and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 580		185 Watts
GeForce RTX 3080 Ti		350 Watts
	Difference: 165 Watts (89%)

Memory Bandwidth

The GeForce RTX 3080 Ti, in theory, should be a lot faster than the Radeon RX 580 in general. (explain)

GeForce RTX 3080 Ti		934297 MB/sec
Radeon RX 580		262144 MB/sec
	Difference: 672153 (256%)

Texel Rate

The GeForce RTX 3080 Ti should be quite a bit (more or less 141%) faster with regards to texture filtering than the Radeon RX 580. (explain)

GeForce RTX 3080 Ti		436800 Mtexels/sec
Radeon RX 580		181008 Mtexels/sec
	Difference: 255792 (141%)

Pixel Rate

The GeForce RTX 3080 Ti is much (more or less 280%) more effective at FSAA than the Radeon RX 580, and will be able to handle higher screen resolutions without losing too much performance. (explain)

GeForce RTX 3080 Ti		152880 Mpixels/sec
Radeon RX 580		40224 Mpixels/sec
	Difference: 112656 (280%)

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 maximum amount of information (measured in megabytes per second) that can be transferred over the external memory interface within a second. It is calculated by multiplying the interface width by its memory clock speed. If the card has DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.