many things dependant on what use you will be putting it to. Size of hard drive/RAM, graphics memory, screen size and format, battery life, CPU make & speed, Wireless, bluetooth, colour, USB slots etc etc
Dell XPS 13 9370 (2018) review
No need to scan sketches into your computer with Moleskine's new smart pen
WWDC history: Apple's product launches since 2005
Comment importer des contacts d’un iPhone à un autre iPhone ?