Marcin Wichary on X: "I feel the Osborne 1, Commodore SX 64, and IBM 5100 – all early portable machines with 5-inch displays – are relatively well-known, but should be included anyway.
![Amazon.com: Garmin 010-02258-10 GPSMAP 64sx, Handheld GPS with Altimeter and Compass, Preloaded With TopoActive Maps, Black/Tan : Electronics Amazon.com: Garmin 010-02258-10 GPSMAP 64sx, Handheld GPS with Altimeter and Compass, Preloaded With TopoActive Maps, Black/Tan : Electronics](https://m.media-amazon.com/images/I/514Jnv9ARlL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Garmin 010-02258-10 GPSMAP 64sx, Handheld GPS with Altimeter and Compass, Preloaded With TopoActive Maps, Black/Tan : Electronics
![computing / electronics, computer, Commodore executive computer SX-64, portable on basis of the C64, ADDITIONAL-RIGHTS-CLEARANCE-INFO-NOT-AVAILABLE Stock Photo - Alamy computing / electronics, computer, Commodore executive computer SX-64, portable on basis of the C64, ADDITIONAL-RIGHTS-CLEARANCE-INFO-NOT-AVAILABLE Stock Photo - Alamy](https://c8.alamy.com/comp/2G9EWT0/computing-electronics-computer-commodore-executive-computer-sx-64-portable-on-basis-of-the-c64-additional-rights-clearance-info-not-available-2G9EWT0.jpg)
computing / electronics, computer, Commodore executive computer SX-64, portable on basis of the C64, ADDITIONAL-RIGHTS-CLEARANCE-INFO-NOT-AVAILABLE Stock Photo - Alamy
![Commodore Business Machines on X: "The Commodore SX-64 is a portable, briefcase/suitcase-size "luggable" version of the popular Commodore 64 home computer and the first full-color portable computer. Photo by: retronomicom #commodore #c64 # Commodore Business Machines on X: "The Commodore SX-64 is a portable, briefcase/suitcase-size "luggable" version of the popular Commodore 64 home computer and the first full-color portable computer. Photo by: retronomicom #commodore #c64 #](https://pbs.twimg.com/media/FTme3dkXwAA2m45.jpg)