Radeon RX 5500 XT vs Radeon RX 570

Intro

Compare all of that to the Radeon RX 570, which uses a 14 nm design. AMD has clocked the core frequency at 1168 MHz. The GDDR5 RAM is set to run at a frequency of 1750 MHz on this card. It features 2048 SPUs along with 128 TAUs and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5500 XT		130 Watts
Radeon RX 570		150 Watts
	Difference: 20 Watts (15%)

Memory Bandwidth

Both cards have exactly the same memory bandwidth, so theoretically they should have identical performance. (explain)

Texel Rate

The Radeon RX 5500 XT will be a little bit (approximately 1%) faster with regards to anisotropic filtering than the Radeon RX 570. (explain)

Radeon RX 5500 XT		151096 Mtexels/sec
Radeon RX 570		149504 Mtexels/sec
	Difference: 1592 (1%)

Pixel Rate

The Radeon RX 5500 XT should be quite a bit (approximately 47%) more effective at FSAA than the Radeon RX 570, and also should be able to handle higher resolutions more effectively. (explain)

Radeon RX 5500 XT		54944 Mpixels/sec
Radeon RX 570		37376 Mpixels/sec
	Difference: 17568 (47%)

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 (measured in MB per second) that can be transferred past the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory speed. If the card has DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, 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 amount of texture map elements (texels) that can be processed in one second. This number is calculated by multiplying the total amount of texture units by the core clock 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 per second.

Pixel Rate: Pixel rate is the most pixels the video card can 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 colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.