EShop allows customers to compare between products. Maximum of 4 products can be compared at the same time. To compare products, customer just need to click on Add to Compare button (on category page or product page) then go to Comparison page to compare products. All information of products will be displayed to help customers can compare them easily.
Please read the Browsing The Front-end to know how to create the menu item to EShop comparison page.
If you go to EShop -> System -> Configuration -> Layout tab, you will see some configuration options to turn compared fields ON/OFF.
And following is layout of products comparison page on the front-end side: