Radeon RX 5600 XT vs Radeon RX 580

Intro

Compare that to the Radeon RX 580, which comes with GPU core speed of 1257 MHz, and 8192 MB of GDDR5 RAM running at 2000 MHz through a 256-bit bus. It also features 2304 SPUs, 144 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5600 XT		160 Watts
Radeon RX 580		185 Watts
	Difference: 25 Watts (16%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 5600 XT should be 31% faster than the Radeon RX 580 overall, due to its higher bandwidth. (explain)

Radeon RX 5600 XT		344064 MB/sec
Radeon RX 580		262144 MB/sec
	Difference: 81920 (31%)

Texel Rate

The Radeon RX 5600 XT is a little bit (about 9%) more effective at texture filtering than the Radeon RX 580. (explain)

Radeon RX 5600 XT		198000 Mtexels/sec
Radeon RX 580		181008 Mtexels/sec
	Difference: 16992 (9%)

Pixel Rate

The Radeon RX 5600 XT will be a lot (more or less 119%) better at full screen anti-aliasing than the Radeon RX 580, and capable of handling higher resolutions without slowing down too much. (explain)

Radeon RX 5600 XT		88000 Mpixels/sec
Radeon RX 580		40224 Mpixels/sec
	Difference: 47776 (119%)

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 (in units of megabytes per second) that can be transported across the external memory interface in a second. The number is calculated by multiplying the bus width by the speed of its memory. If the card has DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster 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 figure is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

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