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Radeon RX 480 4GB vs Radeon RX 5500

Intro

The Radeon RX 480 4GB comes with a GPU core speed of 1120 MHz, and the 4096 MB of GDDR5 memory runs at 1750 MHz through a 256-bit bus. It also features 2304 Stream Processors, 144 TAUs, and 32 ROPs.

Compare those specs to the Radeon RX 5500, which comes with core clock speeds of 1670 MHz on the GPU, and 14000 MHz on the 4096 MB of GDDR6 RAM. It features 1408 SPUs as well as 88 TAUs and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

Both cards have the exact same bandwidth, so in theory they should perform exactly the same. (explain)

Texel Rate

The Radeon RX 480 4GB should be a little bit (more or less 10%) better at texture filtering than the Radeon RX 5500. (explain)

Radeon RX 480 4GB		161280 Mtexels/sec
Radeon RX 5500		146960 Mtexels/sec
	Difference: 14320 (10%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon RX 5500 is a better choice, by a large margin. (explain)

Radeon RX 5500		53440 Mpixels/sec
Radeon RX 480 4GB		35840 Mpixels/sec
	Difference: 17600 (49%)

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 480 4GB

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Radeon RX 5500

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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 480 4GB	Radeon RX 5500
Manufacturer	AMD	AMD
Year	June 2016	October 2019
Code Name	Polaris 10	Navi 14 XT
Memory	4096 MB	4096 MB
Core Speed	1120 MHz	1670 MHz
Memory Speed	7000 MHz	28000 GB/s
Power (Max TDP)	150 watts	150 watts
Bandwidth	229376 MB/sec	229376 MB/sec
Texel Rate	161280 Mtexels/sec	146960 Mtexels/sec
Pixel Rate	35840 Mpixels/sec	53440 Mpixels/sec
Unified Shaders	2304	1408
Texture Mapping Units	144	88
Render Output Units	32	32
Bus Type	GDDR5	GDDR6
Bus Width	256-bit	128-bit
Fab Process	14 nm	7 nm
Transistors	5700 million	6400 million
Bus	PCIe 3.0 x16	PCIe 4.0 ×16
DirectX Version	DirectX 12.0	DirectX 12
OpenGL Version	OpenGL 4.5	OpenGL 4.6

Memory Bandwidth: Bandwidth is the max amount of information (in units of megabytes per second) that can be moved over the external memory interface within a second. The number is worked out by multiplying the interface width by the speed of its memory. If the card has DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster 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 number of texture map elements (texels) that can be applied per second. This is worked out 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 handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

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