GeForce GTX 980 vs Radeon RX 5500

Intro

Compare those specifications to the Radeon RX 5500, which has core clock speeds of 1670 MHz on the GPU, and 1750 MHz on the 4096 MB of GDDR6 RAM. It features 1408 SPUs along with 88 Texture Address Units and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5500		150 Watts
GeForce GTX 980		165 Watts
	Difference: 15 Watts (10%)

Memory Bandwidth

In theory, the Radeon RX 5500 is 2% faster than the GeForce GTX 980 in general, because of its higher data rate. (explain)

Radeon RX 5500		229376 MB/sec
GeForce GTX 980		224000 MB/sec
	Difference: 5376 (2%)

Texel Rate

The Radeon RX 5500 will be just a bit (approximately 2%) more effective at texture filtering than the GeForce GTX 980. (explain)

Radeon RX 5500		146960 Mtexels/sec
GeForce GTX 980		144128 Mtexels/sec
	Difference: 2832 (2%)

Pixel Rate

The GeForce GTX 980 is a lot (about 35%) faster with regards to full screen anti-aliasing than the Radeon RX 5500, and should be capable of handling higher screen resolutions without losing too much performance. (explain)

GeForce GTX 980		72064 Mpixels/sec
Radeon RX 5500		53440 Mpixels/sec
	Difference: 18624 (35%)

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: Memory bandwidth is the maximum amount of data (measured in MB per second) that can be moved over the external memory interface within a second. The number is worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the faster 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 texture map elements (texels) that are processed per second. This figure 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 card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

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