Apple Macintosh PowerBook Duo 280 vs Apple PowerBook G4 (17-inch, Double-Layer SD)

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Macintosh PowerBook Duo 280 compared with PowerBook G4 (17-inch, Double-Layer SD)

	AppleMacintosh PowerBook Duo 280	ApplePowerBook G4 (17-inch, Double-Layer SD)
Overview
Released
Released	1994	October 2005
Display
Screen size
Screen size	9″	17″
Resolution
Resolution	640 × 400	1680 × 1050 (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a CCFL backlight and 512 KB video memory	17-inch TFT widescreen; panel technology, absolute brightness and refresh rate unpublished on maker sheet
Display features
Display features	–	Millions of colours at native resolution; maker UK launch claims up to 46% brighter than preceding 17-inch model
Performance
Processor
Processor	Motorola 68LC040 66 MHz (PowerBook 540c)	PowerPC G4 1.67 GHz (PowerBook 17-inch Late 2005)
CPU cores
CPU cores	1	1
Graphics
Graphics	–	ATI Mobility Radeon 9700 (128 MB DDR)
Memory
Memory	4 MB or 12 MB	512 MB, 1 GB or 2 GB (better)
Storage
Storage	240 MB	100 GB to 120 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	1.67 GHz PowerPC G4 with Velocity Engine, 512 KB on-chip L2 SRAM and 167 MHz system bus; exact silicon supplier/process omitted
GPU
GPU	–	ATI Mobility Radeon 9700 with AGP 4× support, 128 MB DDR video memory and dual-link DVI
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 PC2-4200 DDR2 SDRAM running at 333 MHz standard in one SO-DIMM; two slots, maximum 2 GB, with 512 MB and 1 GB module options
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	120 GB 5400 rpm Ultra ATA/100 standard or 100 GB 7200 rpm build-to-order, with Sudden Motion Sensor. Slot-loading 8× DVD±R SuperDrive supports 2.4× double-layer DVD+R, 4× DVD±RW, 24× CD-R and 16× CD-RW; optional DVD-ROM/CD-RW Combo drive
Battery and size
Battery life (maker's claim)
Battery life (maker's claim)	Up to 4 hours	Up to 5.5 hours
Battery capacity
Battery capacity	–	58 Wh
Weight
Weight	1.9 kg (better)	3.1 kg
Thickness
Thickness	–	26 mm
Width × depth
Width × depth	–	392 × 259 mm
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	58 Wh lithium-ion with charge indicator LEDs; maker up to 5.5 hours depends on configuration and use. Maker reference 3.1 kg includes battery and optical drive and varies by configuration/manufacturing. Metric dimensions are maker centimetres expressed in millimetres
Charger
Charger	–	65 W power adapter with cable management system
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 at up to 480 Mbps, FireWire 800 and 400, Gigabit Ethernet, 56K V.92 modem, DVI, S-video and Type I/II PC Card slot; combined optical-digital/analogue input and output minijacks; Kensington lock slot
External displays
External displays	External display support through Duo Dock or Duo MiniDock; no built-in video connector	Simultaneous native 1680 × 1050 internal and up to 2560 × 1600 external display with millions of colours; dual-link DVI, including 30-inch Cinema HD display; mirroring, VGA with included DVI adapter, composite with included S-video adapter
Keyboard
Keyboard	Integral keyboard with trackball and palm rests	Full-size illuminated fibre-optic keyboard with ambient light sensor; 78 US or 79 ISO keys, 12 function keys, inverted-T arrows and embedded keypad
Trackpad
Trackpad	Built-in trackball	Solid-state trackpad with tap, double-tap, drag and scrolling support
Speakers
Speakers	8-bit monaural sound input and output with integral speaker, documented in the developer note	Two built-in stereo speakers
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	Power adapter, AC wall plug, power cord, lithium-ion battery, modem cable, DVI-to-VGA and S-video-to-composite adapters; Mac OS X 10.4 Tiger and iLife ’05 supplied. Apple UK confirms immediate availability on 19 October 2005