GeForce GTX 880M vs Radeon RX 5500 XT

Intro

Compare those specs to the Radeon RX 5500 XT, which has a core clock frequency of 1717 MHz and a GDDR6 memory speed of 1750 MHz. It also uses a 128-bit memory bus, and uses a 7 nm design. It is comprised of 1408 SPUs, 88 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

The Radeon RX 5500 XT, in theory, should perform a lot faster than the GeForce GTX 880M overall. (explain)

Radeon RX 5500 XT		229376 MB/sec
GeForce GTX 880M		128000 MB/sec
	Difference: 101376 (79%)

Texel Rate

The Radeon RX 5500 XT should be quite a bit (more or less 24%) more effective at AF than the GeForce GTX 880M. (explain)

Radeon RX 5500 XT		151096 Mtexels/sec
GeForce GTX 880M		122112 Mtexels/sec
	Difference: 28984 (24%)

Pixel Rate

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

Radeon RX 5500 XT		54944 Mpixels/sec
GeForce GTX 880M		30528 Mpixels/sec
	Difference: 24416 (80%)

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 (in units of MB per second) that can be transferred across the external memory interface within a second. The number is calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the the core clock speed. 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 lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.