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GeForce GTX 1080 vs Radeon RX 5600 XT

Intro

The GeForce GTX 1080 features a core clock frequency of 1607 MHz and a GDDR5X memory frequency of 1251 MHz. It also makes use of a 256-bit bus, and makes use of a 16 nm design. It is comprised of 2560 SPUs, 160 TAUs, and 64 Raster Operation Units.

Compare all that to the Radeon RX 5600 XT, which features GPU core speed of 1375 MHz, and 6144 MB of GDDR6 memory set to run at 14000 MHz through a 192-bit bus. It also is made up of 2304 Stream Processors, 144 TAUs, and 64 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5600 XT		160 Watts
GeForce GTX 1080		180 Watts
	Difference: 20 Watts (13%)

Memory Bandwidth

The Radeon RX 5600 XT should in theory perform a small bit faster than the GeForce GTX 1080 in general. (explain)

Radeon RX 5600 XT		344064 MB/sec
GeForce GTX 1080		327680 MB/sec
	Difference: 16384 (5%)

Texel Rate

The GeForce GTX 1080 will be much (about 30%) faster with regards to anisotropic filtering than the Radeon RX 5600 XT. (explain)

GeForce GTX 1080		257120 Mtexels/sec
Radeon RX 5600 XT		198000 Mtexels/sec
	Difference: 59120 (30%)

Pixel Rate

The GeForce GTX 1080 will be a bit (about 17%) better at AA than the Radeon RX 5600 XT, and should be capable of handling higher screen resolutions without slowing down too much. (explain)

GeForce GTX 1080		102848 Mpixels/sec
Radeon RX 5600 XT		88000 Mpixels/sec
	Difference: 14848 (17%)

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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GeForce GTX 1080

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Radeon RX 5600 XT

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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	GeForce GTX 1080	Radeon RX 5600 XT
Manufacturer	nVidia	AMD
Year	May 2016	January 2020
Code Name	GP104-400	Navi 10 XLE
Memory	8192 MB	6144 MB
Core Speed	1607 MHz	1375 MHz
Memory Speed	10008 MHz	28000 GB/s
Power (Max TDP)	180 watts	160 watts
Bandwidth	327680 MB/sec	344064 MB/sec
Texel Rate	257120 Mtexels/sec	198000 Mtexels/sec
Pixel Rate	102848 Mpixels/sec	88000 Mpixels/sec
Unified Shaders	2560	2304
Texture Mapping Units	160	144
Render Output Units	64	64
Bus Type	GDDR5X	GDDR6
Bus Width	256-bit	192-bit
Fab Process	16 nm	7 nm
Transistors	7200 million	10300 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 largest amount of data (in units of megabytes per second) that can be moved over the external memory interface in one second. It is worked out by multiplying the card's bus width by the speed of its memory. If the card has DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. 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 are processed per second. This figure is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

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