GeForce GTX 980 vs Radeon RX 590

Intro

Compare those specifications to the Radeon RX 590, which comes with GPU core speed of 1469 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 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 980		165 Watts
Radeon RX 590		175 Watts
	Difference: 10 Watts (6%)

Memory Bandwidth

Performance-wise, the Radeon RX 590 should theoretically be a bit superior to the GeForce GTX 980 overall. (explain)

Radeon RX 590		262144 MB/sec
GeForce GTX 980		224000 MB/sec
	Difference: 38144 (17%)

Texel Rate

The Radeon RX 590 should be a lot (about 47%) better at anisotropic filtering than the GeForce GTX 980. (explain)

Radeon RX 590		211536 Mtexels/sec
GeForce GTX 980		144128 Mtexels/sec
	Difference: 67408 (47%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 980 is the winner, by a large margin. (explain)

GeForce GTX 980		72064 Mpixels/sec
Radeon RX 590		47008 Mpixels/sec
	Difference: 25056 (53%)

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 maximum amount of data (counted in megabytes per second) that can be transferred across the external memory interface in one second. The number is worked out by multiplying the interface width by its memory speed. In the case of DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.