It is process comparing similar products before deciding which one to buy, There are many available products, buyers / customers can compare products on the bases of price, size, colour, discount etc comparison, before having purchase decision.
Magento 2 Compare Products generates a detailed comparison or side-by-side comparison of two or more products on the bases of price, size, colour, discount etc comparison, before having purchase decision.
By Default The Compare Products block usually appears in either the left or right sidebar of a catalog page.
After comparing Product Logan Heatec Tee & Global Heatec Tee
Similarly, customers can add more products to compare.