Apple Macintosh PowerBook 140 vs Apple Macintosh PowerBook 170

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Macintosh PowerBook 140 compared with Macintosh PowerBook 170

	AppleMacintosh PowerBook 140	AppleMacintosh PowerBook 170
Overview
Released
Released	October 1991	October 1991
Display
Screen size
Screen size	10″	10″
Resolution
Resolution	640 × 400	640 × 400
Touchscreen
Touchscreen	No	No
Display type
Display type	10-inch backlit FSTN monochrome LCD, 640 × 400 pixels at 1-bit colour. Apple's 1991 product information rounds the diagonal to 10 inches; some later catalogues call it 9.8 inches.	10-inch backlit active-matrix monochrome LCD, 640 × 400 pixels at 1-bit colour. Apple's 1991 product information rounds the diagonal to 10 inches; some later catalogues call it 9.8 inches.
Performance
Processor
Processor	68030 16 MHz (PowerBook 140)	68030 25 MHz (PowerBook 170)
CPU cores
CPU cores	1	1
Memory
Memory	2 MB or 4 MB	4 MB
Storage
Storage	20 MB to 40 MB	40 MB
CPU
CPU	16 MHz Motorola 68030 with an integrated memory-management unit and no floating-point coprocessor.	25 MHz Motorola 68030 and 25 MHz Motorola 68882 floating-point coprocessor; a Power Saver mode could run the processor at 16 MHz on battery.
Memory type
Memory type	2 MB pseudostatic RAM on the logic board and one expansion slot; 8 MB maximum.	4 MB original configuration, comprising 2 MB on the logic board and a 2 MB expansion card; 8 MB maximum. Apple's later support sheet lists 2 MB as the minimum across its service configurations.
Storage type
Storage type	Original 20 MB and 40 MB internal SCSI hard-drive configurations; built-in 1.4 MB SuperDrive floppy drive. Apple's later support sheet lists 40–80 MB internal drives.	Original 40 MB internal SCSI hard drive with a built-in 1.4 MB SuperDrive floppy drive. Apple's later support sheet lists 40–80 MB drives.
Battery and size
Battery life (maker's claim)
Battery life (maker's claim)	Up to 3 hours	Up to 3 hours
Weight
Weight	3.03 kg	3.03 kg
Battery life detail
Battery life detail	Removable nickel-cadmium battery; Apple claimed 2–3 hours of use before recharging.	Removable nickel-cadmium battery; Apple claimed 2–3 hours of use, with about 30 minutes more in its 16 MHz Power Saver mode.
Connections
Operating system
Operating system	macOS	macOS
Port detail
Port detail	One Apple Desktop Bus (ADB) port, HDI-30 SCSI connector, two RS-422 serial ports, mono audio input and stereo output. An internal 2400-baud fax modem was optional.	One Apple Desktop Bus (ADB) port, HDI-30 SCSI connector, two RS-422 serial ports, mono audio input and stereo output. A 2400-baud internal modem was standard.
Keyboard
Keyboard	Built-in keyboard with a centred 30 mm trackball below the keys.	Built-in keyboard with a centred 30 mm trackball below the keys.
Trackpad
Trackpad	Built-in trackball.	Built-in trackball.
In the box
In the box	System 7.0.1, battery and AC adapter. Apple dates the model's introduction to 21 October 1991; the technical sheet does not state a separate first-sale day.	System 7.0.1, battery and AC adapter. Apple dates the model's introduction to 21 October 1991; the technical sheet does not state a separate first-sale day.