Laptops are similar to desktop computers if we compare by architecture wise. Many parts in laptop perform similar functions like desktop computer. However, the parts of a laptop are completely different from those in desktop computers. Physically the laptop parts are much smaller and lighter compared to desktop computers and they must fit into the compact space of a laptop’s case. Also, laptop parts are designed to consume less power and to shut themselves off when not being used. Laptop components like motherboard are proprietary; the LCD screen from one laptop will not necessarily fit on another. The price of laptops is higher than desktop computers.