Apple Macintosh PowerBook Duo 270c vs Apple PowerBook G4 (12-inch, 1.5GHz)

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Macintosh PowerBook Duo 270c compared with PowerBook G4 (12-inch, 1.5GHz)

	AppleMacintosh PowerBook Duo 270c	ApplePowerBook G4 (12-inch, 1.5GHz)
Overview
Released
Released	1993	2005
Display
Screen size
Screen size	8.4″	12.1″
Resolution
Resolution	640 × 480	1024 × 768 (better)
Touchscreen
Touchscreen	No	No
Display type
Display type	Backlit active-matrix TFT colour LCD; 256 colours at 640 × 480 or thousands at 640 × 400. Apple's exact-model product description gives 8.4 inches; the later service table labels this model 9 inches	12.1-inch TFT XGA active-matrix display; panel technology and refresh unpublished.
Screen finish
Screen finish	Antiglare polariser	–
Performance
Processor
Processor	Motorola 68030 33 MHz	PowerPC G4 1.5 GHz (PowerBook 12-inch 2005)
CPU cores
CPU cores	1	1
Graphics
Graphics	–	NVIDIA GeForce FX Go5200 (64 MB DDR)
Memory
Memory	4 MB or 12 MB	512 MB or 1.25 GB (better)
Storage
Storage	240 MB	60 GB to 100 GB (better)
CPU
CPU	Motorola 68030 at 33 MHz with an integrated memory-management unit and a separate Motorola 68882 maths coprocessor at 33 MHz	1.5 GHz PowerPC G4, 512 KB on-chip L2 and 167 MHz system bus. Exact silicon supplier omitted.
GPU
GPU	Colour Screen Controller with video RAM; selecting thousands of colours centres a 640 × 400 image with black bands above and below	NVIDIA GeForce FX Go5200 with 64 MB DDR video memory and AGP 4×.
Memory type
Memory type	4 MB soldered on the logic board, with one Duo expansion-card slot; maximum 32 MB. Apple memory kits expand to 8 or 12 MB; larger capacities require third-party cards	512 MB PC2700 DDR333 standard; one SO-DIMM slot, maximum 1.25 GB.
Storage type
Storage type	Internal 240 MB SCSI hard drive in the two configurations listed in Apple's product description. The developer note also describes a 160 MB option, without an ordering configuration. External 1.4 MB floppy drive requires a Duo Floppy Adapter or Duo MiniDock	5400 rpm Ultra ATA/100 hard drive with Sudden Motion Sensor. Combo base60GB; SuperDrive base80GB; 100GB build-to-order on either. 8× DVD±RW/CD-RW SuperDrive; optical-drive differences retained in details.
Battery and size
Battery life (maker's claim)
Battery life (maker's claim)	Up to 4 hours	Up to 5 hours
Battery capacity
Battery capacity	–	50 Wh
Weight
Weight	2.1 kg	2.1 kg
Thickness
Thickness	38 mm	–
Width × depth
Width × depth	277 × 216 mm	–
Battery life detail
Battery life detail	Removable Type II nickel-metal hydride battery. Apple's product description claims 2–4 hours; the developer note claims 4.5 hours, while the later service manual gives approximately 2–3 hours. Service weight is 2.1 kg with a battery; its paired 4.8 lb figure is inconsistent. Dimensions are rounded from Apple's 10.9 × 8.5 × 1.5 inch support table; the service manual swaps width/depth and pairs 1.5 inches with 36 mm	50 Wh lithium-ion, up to five hours. Published reference weight 2.1 kg with battery and optical drive; varies by configuration/manufacturing. Published dimensions: height 3.0 cm, width 27.7 cm, depth 21.9 cm.
Charger
Charger	AC adapter supplied; service manual gives a 24 V DC, 1.04 A output	45 W power adapter
Materials
Materials	–	Aluminium enclosure
Connections
Ports
Ports	–	2 × USB-A, Ethernet, headphone jack
Wi-Fi
Wi-Fi	–	AirPort Extreme 802.11g/b
Bluetooth
Bluetooth	–	2.0 + EDR
Operating system
Operating system	macOS	macOS
Port detail
Port detail	152-pin docking connector, RS-422 serial/LocalTalk mini-DIN-8 port, power input and optional internal Express Modem. Additional video, SCSI and floppy connections require docking accessories	Two USB 2.0 ports, FireWire 400, 10/100 Ethernet, 56K V.92 modem, mini-DVI, audio input and headphone output. Mini-DVI-to-DVI and mini-DVI-to-VGA adapters included; television adapter separate.
External displays
External displays	Optional PowerBook Duo Dock or Duo MiniDock provides external video and desktop peripheral expansion	Dual display and mirroring; external resolution up to 2048 × 1536.
Keyboard
Keyboard	Built-in keyboard with two-level tilt adjustment; 63 keys on the domestic version or 64 on the ISO version	Full-size keyboard with embedded numeric keypad
Trackpad
Trackpad	19 mm trackball with two buttons	Two-finger scrolling/panning, tap, double-tap and drag support
Speakers
Speakers	Four-voice, 8-bit monophonic sound input and output at 11 or 22 kHz	Stereo speakers with midrange-enhancing third speaker
Microphones
Microphones	Built-in omnidirectional electret microphone; the support summary's Mic Type none does not describe the built-in microphone documented in the developer and service manuals	Internal omnidirectional microphone
In the box
In the box	Computer, battery, AC adapter, System 7.1 software and documentation; desktop docks sold separately. Apple lists introduction on 21 October 1993. The Mac December 1993 buying guide lists the model in the current retail range with a UK basic price; no exact first-sale month is established, so release precision remains the year	Apple announced 31 January 2005 with availability planned later that week. Actual first on-sale month unestablished after a bounded search; year precision retained. Launch Mac OS X 10.3 Panther and iLife ’05; later units shipped Tiger.