Laptops can be broadly grouped as follows:
All of them come with the basics: wireless networking (Wi-Fi), connection for an external screen, an Ethernet port, sockets for a microphone and speakers or headphones, and USB ports for adding external devices. Size typically dictates the type of hardware and performance you can expect from a laptop computer. The table (right) provides a general guide for the type of hardware you can expect to find in each category of laptop.
See Technical considerations to learn how hardware can affect the performance of a laptop.