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Radeon RX 5500 vs Radeon RX 590

Intro

The Radeon RX 5500 comes with a clock speed of 1670 MHz and a GDDR6 memory frequency of 1750 MHz. It also features a 128-bit bus, and makes use of a 7 nm design. It features 1408 SPUs, 88 TAUs, and 32 Raster Operation Units.

Compare all of that to the Radeon RX 590, which has clock speeds of 1469 MHz on the GPU, and 2000 MHz on the 8192 MB of GDDR5 memory. It features 2304 SPUs along with 144 Texture Address Units and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5500		150 Watts
Radeon RX 590		175 Watts
	Difference: 25 Watts (17%)

Memory Bandwidth

The Radeon RX 590, in theory, should be a bit faster than the Radeon RX 5500 in general. (explain)

Radeon RX 590		262144 MB/sec
Radeon RX 5500		229376 MB/sec
	Difference: 32768 (14%)

Texel Rate

The Radeon RX 590 should be much (more or less 44%) more effective at AF than the Radeon RX 5500. (explain)

Radeon RX 590		211536 Mtexels/sec
Radeon RX 5500		146960 Mtexels/sec
	Difference: 64576 (44%)

Pixel Rate

The Radeon RX 5500 is just a bit (about 14%) faster with regards to full screen anti-aliasing than the Radeon RX 590, and also will be capable of handling higher resolutions without slowing down too much. (explain)

Radeon RX 5500		53440 Mpixels/sec
Radeon RX 590		47008 Mpixels/sec
	Difference: 6432 (14%)

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

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Radeon RX 5500

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Radeon RX 590

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Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model	Radeon RX 5500	Radeon RX 590
Manufacturer	AMD	AMD
Year	October 2019	November 2018
Code Name	Navi 14 XT	Polaris 30
Memory	4096 MB	8192 MB
Core Speed	1670 MHz	1469 MHz
Memory Speed	1750 GB/s	8000 MHz
Power (Max TDP)	150 watts	175 watts
Bandwidth	229376 MB/sec	262144 MB/sec
Texel Rate	146960 Mtexels/sec	211536 Mtexels/sec
Pixel Rate	53440 Mpixels/sec	47008 Mpixels/sec
Unified Shaders	1408	2304
Texture Mapping Units	88	144
Render Output Units	32	32
Bus Type	GDDR6	GDDR5
Bus Width	128-bit	256-bit
Fab Process	7 nm	12 nm
Transistors	6400 million	5700 million
Bus	PCIe 4.0 ×16	PCIe 3.0 x16
DirectX Version	DirectX 12	DirectX 12.0
OpenGL Version	OpenGL 4.6	OpenGL 4.5

Memory Bandwidth: Bandwidth is the max amount of information (counted in MB per second) that can be transferred across the external memory interface within a second. It is calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR type memory, the result should be multiplied by 2 once again. If 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 amount of texture map elements (texels) that can be applied in one second. This figure is calculated by multiplying the total texture units by the core speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly write to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units 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 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 potential to get to the max fill rate.

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