Radeon RX 580 vs Radeon RX 6750 XT

Intro

Compare those specifications to the Radeon RX 6750 XT, which features a core clock speed of 2150 MHz and a GDDR6 memory frequency of 2250 MHz. It also makes use of a 192-bit memory bus, and uses a 7 nm design. It is made up of 2560 SPUs, 160 TAUs, and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 580		185 Watts
Radeon RX 6750 XT		250 Watts
	Difference: 65 Watts (35%)

Memory Bandwidth

In theory, the Radeon RX 6750 XT should perform much faster than the Radeon RX 580 overall. (explain)

Radeon RX 6750 XT		442368 MB/sec
Radeon RX 580		262144 MB/sec
	Difference: 180224 (69%)

Texel Rate

The Radeon RX 6750 XT should be a lot (more or less 90%) better at anisotropic filtering than the Radeon RX 580. (explain)

Radeon RX 6750 XT		344000 Mtexels/sec
Radeon RX 580		181008 Mtexels/sec
	Difference: 162992 (90%)

Pixel Rate

The Radeon RX 6750 XT should be quite a bit (more or less 242%) better at full screen anti-aliasing than the Radeon RX 580, and also able to handle higher screen resolutions while still performing well. (explain)

Radeon RX 6750 XT		137600 Mpixels/sec
Radeon RX 580		40224 Mpixels/sec
	Difference: 97376 (242%)

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 max amount of data (counted in megabytes per second) that can be moved over the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory speed. In the case of DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher the texel rate, the better the 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 amount of pixels that the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.