GeForce GTX 980 vs Radeon RX 5700 XT

Intro

Compare that to the Radeon RX 5700 XT, which features a GPU core clock speed of 1605 MHz, and 8096 MB of GDDR6 memory set to run at 1750 MHz through a 256-bit bus. It also is comprised of 2560 Stream Processors, 160 Texture Address Units, and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 980		165 Watts
Radeon RX 5700 XT		225 Watts
	Difference: 60 Watts (36%)

Memory Bandwidth

The Radeon RX 5700 XT should theoretically be a lot faster than the GeForce GTX 980 in general. (explain)

Radeon RX 5700 XT		458752 MB/sec
GeForce GTX 980		224000 MB/sec
	Difference: 234752 (105%)

Texel Rate

The Radeon RX 5700 XT is quite a bit (approximately 78%) faster with regards to anisotropic filtering than the GeForce GTX 980. (explain)

Radeon RX 5700 XT		256800 Mtexels/sec
GeForce GTX 980		144128 Mtexels/sec
	Difference: 112672 (78%)

Pixel Rate

The Radeon RX 5700 XT should be quite a bit (more or less 43%) more effective at AA than the GeForce GTX 980, and also should be able to handle higher screen resolutions more effectively. (explain)

Radeon RX 5700 XT		102720 Mpixels/sec
GeForce GTX 980		72064 Mpixels/sec
	Difference: 30656 (43%)

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: Bandwidth is the largest amount of data (measured in MB per second) that can be transferred across the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR type memory, it should be multiplied by 2 again. If it uses 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 number of texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total texture units by the core clock speed of the chip. The better the texel rate, 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 number of pixels that the graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines by the clock speed of the card. 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 output rate also depends on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.