Radeon RX 5500 vs Radeon RX 580

Intro

Compare those specifications to the Radeon RX 580, which features GPU core speed of 1257 MHz, and 8192 MB of GDDR5 RAM set to run at 2000 MHz through a 256-bit bus. It also features 2304 Stream Processors, 144 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5500		150 Watts
Radeon RX 580		185 Watts
	Difference: 35 Watts (23%)

Memory Bandwidth

Performance-wise, the Radeon RX 580 should in theory be a bit better than the Radeon RX 5500 in general. (explain)

Radeon RX 580		262144 MB/sec
Radeon RX 5500		229376 MB/sec
	Difference: 32768 (14%)

Texel Rate

The Radeon RX 580 will be a lot (more or less 23%) better at AF than the Radeon RX 5500. (explain)

Radeon RX 580		181008 Mtexels/sec
Radeon RX 5500		146960 Mtexels/sec
	Difference: 34048 (23%)

Pixel Rate

The Radeon RX 5500 should be a lot (approximately 33%) more effective at full screen anti-aliasing than the Radeon RX 580, and also will be able to handle higher screen resolutions while still performing well. (explain)

Radeon RX 5500		53440 Mpixels/sec
Radeon RX 580		40224 Mpixels/sec
	Difference: 13216 (33%)

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 (in units of megabytes per second) that can be moved past the external memory interface in one second. It's calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better 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 amount of texture map elements (texels) that are processed per second. This is calculated by multiplying the total amount of texture units of the card by the core clock 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 applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.