The following computers support features such as Handoff, Instant Hotspot, AirDrop between Mac computers and iOS devices, as well as the new Metal API: They can only run OS X El Capitan if they have at least 2GB of RAM. Of these computers, the following models were equipped with 1GB RAM as the standard option on the base model when they were shipped originally. These computers can run El Capitan, provided they have at least 2GB of RAM: For example, Apple notes that the newly available Metal API is available on 'all Macs since 2012'.
