Logic Board Showdown
Zoom out from the processors and you can take a look at the logic board for each device. The iPhone 4's logic board houses 512MB of RAM and either 16GB or 32GB of Flash storage (depending on the model), as well as the iPhone 4's three-axis gyroscope and GPS chip, according to
online DIY guide iFixit
The 128K's much larger logic board contains just 128KB of RAM, 64KB of read-only memory (ROM), and no internal storage. The Macintosh logic board measures 8.75 inches by 8.75 inches, according to
, a New Jersey-based classic computer reseller. To put that size into perspective, you could fit about 7.37 iPhone 4 units onto the surface area of the Macintosh 128K logic board.
In lieu of a hard drive, the 128K relied on 3.5-inch floppy disks that had a maximum memory of 400KB. A single disk had enough space to house the operating system (
), one application (
MacPaint occupies 68KB
), and some user-generated files.
The 128K Macintosh without a hard drive was really torturous to use
," Vern Raburn, a former Microsoft executive, told PCWorld in an interview in 2004. "The good news was, at least the floppies were sturdy, because you put them in and out a lot."
Photo credits: iPhone 4 logic board courtesy of
; Macintosh 128K logic board by