GeForce GTX 860M vs Radeon RX 6900 XT

Intro

Compare that to the Radeon RX 6900 XT, which features core speeds of 1825 MHz on the GPU, and 2000 MHz on the 16384 MB of GDDR6 memory. It features 5120 SPUs as well as 320 TAUs and 128 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 860M		45 Watts
Radeon RX 6900 XT		300 Watts
	Difference: 255 Watts (567%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 6900 XT should be a lot faster than the GeForce GTX 860M in general. (explain)

Radeon RX 6900 XT		524288 MB/sec
GeForce GTX 860M		64000 MB/sec
	Difference: 460288 (719%)

Texel Rate

The Radeon RX 6900 XT is quite a bit (approximately 663%) faster with regards to anisotropic filtering than the GeForce GTX 860M. (explain)

Radeon RX 6900 XT		584000 Mtexels/sec
GeForce GTX 860M		76512 Mtexels/sec
	Difference: 507488 (663%)

Pixel Rate

The Radeon RX 6900 XT will be much (more or less 1732%) more effective at FSAA than the GeForce GTX 860M, and also will be capable of handling higher screen resolutions while still performing well. (explain)

Radeon RX 6900 XT		233600 Mpixels/sec
GeForce GTX 860M		12752 Mpixels/sec
	Difference: 220848 (1732%)

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 transported across the external memory interface within a second. The number is calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, 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 applied in one second. This number is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher this number, the better the graphics 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 amount of pixels the video card can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount 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 filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.