Apple Macintosh PowerBook Duo 280 vs Apple PowerBook G4 (17-inch, 1.67GHz)

Every spec side by side, from each maker's published figures.

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Macintosh PowerBook Duo 280 compared with PowerBook G4 (17-inch, 1.67GHz)
AppleMacintosh PowerBook Duo 280ApplePowerBook G4 (17-inch, 1.67GHz)
Overview
Released1994February 2005
Display
Screen size9″17″
Resolution640 × 4001440 × 900 (better)
TouchscreenNoNo
Display typeBacklit active-matrix TFT LCD with 16 grey levels; 640 × 400 pixels. The developer note specifies a CCFL backlight and 512 KB video memory17-inch TFT widescreen; panel technology and refresh unpublished.
Performance
ProcessorMotorola 68LC040 66 MHz (PowerBook 540c)PowerPC G4 1.67 GHz (PowerBook 17-inch Early 2005)
CPU cores11
Graphics–ATI Mobility Radeon 9700 (128 MB DDR)
Memory4 MB or 12 MB512 MB or 2 GB (better)
Storage240 MB80 GB to 100 GB (better)
CPUMotorola 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 processor1.67 GHz PowerPC G4, 512 KB on-chip L2 and 167 MHz bus. Exact silicon supplier omitted.
GPU–ATI Mobility Radeon 9700 with 128 MB DDR and dual-link DVI
Memory type4 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 cards512 MB PC2700 DDR333 standard; two SO-DIMM slots, maximum 2 GB.
Storage typeInternal 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 accessories100 GB 5400 rpm Ultra ATA/100 standard with Sudden Motion Sensor. Retained maker build-to-order list offers 80 GB or 100 GB on 15/17-inch models; 80 GB alternative represented without changing the 100 GB stock specification. 8× DVD±RW/CD-RW SuperDrive.
Battery and size
Battery life (maker's claim)Up to 4 hoursUp to 4.5 hours
Battery capacity–58 Wh
Weight1.9 kg (better)3.1 kg
Battery life detailHigh-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 replacement58 Wh lithium-ion, up to 4.5 hours. Maker reference 3.1 kg includes battery and optical drive and varies by configuration/manufacturing. Published dimensions: height 2.6 cm, width 39.2 cm, depth 25.9 cm.
Charger–65 W power adapter
Materials–Aluminium enclosure
Connections
Ports–2 × USB-A, Ethernet, headphone jack
Wi-Fi–AirPort Extreme 802.11g/b
Bluetooth–2.0 + EDR
Operating systemmacOSmacOS
Port detailMini-DIN eight-pin serial/LocalTalk, 152-pin docking connector, power input and optional modem port. Most desktop expansion requires a Duo dockTwo USB 2.0 ports, FireWire 400 and 800, Gigabit Ethernet, 56K V.92 modem, DVI, S-video and PC Card/CardBus slot. Combined optical-digital/analogue input and output minijacks.
External displaysExternal display support through Duo Dock or Duo MiniDock; no built-in video connectorDVI dual-link: external display up to 2560 × 1600, including 30-inch Cinema HD display; VGA, S-video and composite supported with listed adapters.
KeyboardIntegral keyboard with trackball and palm restsFull-size illuminated fibre-optic keyboard with ambient light sensor; Apple states backlighting up to ten times brighter than previous generation.
TrackpadBuilt-in trackballTwo-finger scrolling/panning, tap, double-tap and drag support
Speakers8-bit monaural sound input and output with integral speaker, documented in the developer noteTwo stereo speakers
MicrophonesBuilt-in microphone in Apple Facts and the developer note, despite the support summary's Mic Type noneInternal omnidirectional microphone
In the boxSystem 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 currentApple announced 31 January 2005 with availability planned later that week. Ken Mingis’s 10 February Computerworld report says his unit shipped the previous week and arrived Monday; February precision retained without a verified first shipping day. Launch Mac OS X 10.3 Panther and iLife ’05.

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