Apple Macintosh PowerBook Duo 280 vs Apple PowerBook G4 (15-inch, 1.67/1.5GHz)

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Macintosh PowerBook Duo 280 compared with PowerBook G4 (15-inch, 1.67/1.5GHz)

	AppleMacintosh PowerBook Duo 280	ApplePowerBook G4 (15-inch, 1.67/1.5GHz)
Overview
Released
Released	1994	February 2005
Display
Screen size
Screen size	9″	15.2″
Resolution
Resolution	640 × 400	1280 × 854 (better)
Touchscreen
Touchscreen	No	No
Display type
Display type	Backlit active-matrix TFT LCD with 16 grey levels; 640 × 400 pixels. The developer note specifies a CCFL backlight and 512 KB video memory	15.2-inch TFT widescreen; panel technology and refresh unpublished.
Performance
Processor
Processor	Motorola 68LC040 66 MHz (PowerBook 540c)	PowerPC G4 1.5 GHz (PowerBook 15-inch Early 2005) or PowerPC G4 1.67 GHz (PowerBook 15-inch Early 2005)
CPU cores
CPU cores	1	1
Graphics
Graphics	–	ATI Mobility Radeon 9700 (64 MB DDR) or ATI Mobility Radeon 9700 (128 MB DDR)
Memory
Memory	4 MB or 12 MB	512 MB or 2 GB (better)
Storage
Storage	240 MB	80 GB to 100 GB (better)
CPU
CPU	Motorola 68LC040 with integrated memory-management unit, 66 MHz internal clock and 33 MHz external bus. No FPU upgrade; the Duo Dock and Dock II floating-point coprocessors and Dock II external cache cannot be used by this processor	1.5 or 1.67 GHz PowerPC G 4 with 512 KB on-chip L 2 and 167 MHz bus. Retained sheet processor paragraph omits 1.5 GHz, but factory configuration table and UK release confirm it. Exact silicon supplier omitted.
GPU
GPU	–	ATI Mobility Radeon 9700 with 64 MB DDR standard; 128 MB plus dual-link DVI build-to-order restricted to 1.67 GHz. UK release higher-base bullet ambiguously mentions dual-link with 64 MB; its BTO paragraph and full sheet tie dual-link to 128 MB.
Memory type
Memory type	4 MB on the logic board and one Duo memory-card slot; maximum 40 MB. An 8 MB expansion card gives the 12 MB configuration; higher capacities require third-party cards	512 MB PC 2700 DDR 333 in a single SO-DIMM; two slots, maximum 2 GB.
Storage type
Storage type	Internal 240 MB SCSI hard drive. The developer note also lists 200 MB configurations, whereas Apple's support summary specifies a minimum of 240 MB and the October 1994 catalogue lists 240 MB. Optional external SuperDrive floppy needs docking accessories	80 GB 5400 rpm Ultra ATA/100 standard on both processors; 100 GB build-to-order alternative, with Sudden Motion Sensor. Combo on 1.5 GHz base, 8× DVD±RW/CD-RW SuperDrive on 1.67 GHz; SuperDrive upgrade available.
Battery and size
Battery life (maker's claim)
Battery life (maker's claim)	Up to 4 hours	Up to 4.5 hours
Battery capacity
Battery capacity	–	50 Wh
Weight
Weight	1.9 kg (better)	2.5 kg
Battery life detail
Battery life detail	High-capacity Type II nickel-metal hydride battery with a maker typical-life claim of 2–4 hours in Apple Facts and Apple Directions. The later support summary lists Type III; the developer note identifies Type III as a separately available replacement	50 Wh lithium-ion, up to 4.5 hours. Maker reference 2.5 kg includes battery and optical drive; varies by configuration/manufacturing. Published dimensions: height 2.8 cm, width 34.8 cm, depth 24.1 cm.
Charger
Charger	–	65 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	Mini-DIN eight-pin serial/LocalTalk, 152-pin docking connector, power input and optional modem port. Most desktop expansion requires a Duo dock	Two USB 2.0 ports, one FireWire 400 and one FireWire 800, Gigabit Ethernet, 56K V.92 modem, Type I/II PC Card slot, DVI, S-video, audio input and headphone output.
External displays
External displays	External display support through Duo Dock or Duo MiniDock; no built-in video connector	DVI with VGA adapter and S-video/composite output; up to 2048×1536 external. Optional 128 MB dual-link configuration on 1.67 GHz supports 30-inch Cinema HD display.
Keyboard
Keyboard	Integral keyboard with trackball and palm rests	Full-size illuminated fibre-optic keyboard with ambient light sensor on both processor configurations; Apple states up to ten times brighter backlighting than previous generation.
Trackpad
Trackpad	Built-in trackball	Two-finger scrolling/panning, tap, double-tap and drag support
Speakers
Speakers	8-bit monaural sound input and output with integral speaker, documented in the developer note	Stereo speakers with midrange-enhancing third speaker
Microphones
Microphones	Built-in microphone in Apple Facts and the developer note, despite the support summary's Mic Type none	Internal omnidirectional microphone
In the box
In the box	System 7.1.1 with PowerBook Duo Enabler 2.0; PowerBook Mobility Bundle preinstalled; power adapter included. Developer note lists the Express Modem with the 12 MB configuration; Apple support records introduction on 16 May 1994. Apple Directions July 1994 says the Duo 280 and 280c had begun shipping last month and were available immediately worldwide; issue dating does not establish a first-sale day. Headline retains confirmed retail-year precision. Apple Facts October 1994 lists this model as current	Apple announced 31 January 2005 with availability planned later that week. Ken Mingis’s 10 February Computerworld account confirms 15-inch units had reached buyers by then; February precision retained without a verified first shipping day. Launch Mac OS X 10.3 Panther and iLife ’05.