GeForce GTX 880M vs Radeon RX 6500 XT

Intro

Compare that to the Radeon RX 6500 XT, which features GPU clock speed of 2200 MHz, and 4096 MB of GDDR6 RAM running at 2250 MHz through a 64-bit bus. It also features 1024 SPUs, 64 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6500 XT		107 Watts
GeForce GTX 880M		130 Watts
	Difference: 23 Watts (21%)

Memory Bandwidth

Theoretically, the Radeon RX 6500 XT should perform a little bit faster than the GeForce GTX 880M in general. (explain)

Radeon RX 6500 XT		147456 MB/sec
GeForce GTX 880M		128000 MB/sec
	Difference: 19456 (15%)

Texel Rate

The Radeon RX 6500 XT is a small bit (about 15%) better at anisotropic filtering than the GeForce GTX 880M. (explain)

Radeon RX 6500 XT		140800 Mtexels/sec
GeForce GTX 880M		122112 Mtexels/sec
	Difference: 18688 (15%)

Pixel Rate

The Radeon RX 6500 XT is quite a bit (more or less 131%) better at full screen anti-aliasing than the GeForce GTX 880M, and also will be capable of handling higher resolutions better. (explain)

Radeon RX 6500 XT		70400 Mpixels/sec
GeForce GTX 880M		30528 Mpixels/sec
	Difference: 39872 (131%)

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 max amount of information (in units of MB per second) that can be transferred over the external memory interface in one second. It's calculated by multiplying the interface width by the speed of its memory. In the case of DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This figure is calculated by multiplying the total amount of texture units of the card by the core clock 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 per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly write to its 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 clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as 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, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.