Apple MacBook Air 13″ (M5) vs Apple PowerBook G4 (15-inch, 1.5/1.33GHz)

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

Better figure, where one is clearly better

MacBook Air 13″ (M5) compared with PowerBook G4 (15-inch, 1.5/1.33GHz)
AppleMacBook Air 13″ (M5)ApplePowerBook G4 (15-inch, 1.5/1.33GHz)
Overview
ReleasedMarch 2026April 2004
Display
Screen size13.6″15.2″
Resolution2560 × 1664 (better)1280 × 854
PanelIPS LCD–
Refresh rate60 Hz–
Brightness500 nits–
TouchscreenNoNo
Display typeLiquid Retina display; LED-backlit with IPS technology15.2-inch TFT widescreen; panel technology and refresh unpublished.
Pixel density224 ppi–
Colour rangeWide colour (P3); 1 billion colours–
Display featuresTrue Tone–
Performance
ProcessorApple M5PowerPC G4 1.33 GHz (PowerBook 15-inch 2004) or PowerPC G4 1.5 GHz (PowerBook 15-inch 2004)
CPU cores101
Graphics8-core GPU or 10-core GPUATI Mobility Radeon 9700 (64 MB DDR) or ATI Mobility Radeon 9700 (128 MB DDR)
Memory16 GB, 24 GB or 32 GB (better)256 MB, 512 MB or 2 GB
Storage512 GB to 4 TB (better)60 GB to 80 GB
CPU10-core CPU with 4 super cores and 6 efficiency cores1.33 or 1.5 GHz PowerPC G4, 512 KB on-chip L2 and 167 MHz system bus. Exact silicon supplier omitted.
GPUNeural Accelerators; hardware-accelerated ray tracing; Media Engine with H.264, HEVC, ProRes and ProRes RAW acceleration and AV1 decodeATI Mobility Radeon 9700 with 64 MB DDR; 128 MB build-to-order option restricted to 1.5 GHz configurations.
AI engine16-core Neural Engine–
Memory typeUnified memoryPC2700 DDR333: 256 MB standard on 1.33 GHz, 512 MB on 1.5 GHz; two SO-DIMM slots support up to 2 GB.
Memory bandwidth153 GB/s–
Storage typeSSD, configurable up to 4 TB1.33 GHz base: 60 GB 4200 rpm, with 80 GB 5400 rpm build-to-order option. 1.5 GHz base: 80 GB 4200 rpm, with 80 GB 5400 rpm alternative. Combo drive or 4× DVD-R SuperDrive; drive-speed variants retained here rather than duplicate capacity rows.
CoolingFanless–
Battery and size
Battery life (maker's claim)Up to 18 hoursUp to 4.5 hours
Battery capacity53.8 Wh (better)50 Wh
Weight1.23 kg (better)2.6 kg
Thickness11.3 mm–
Width × depth304.1 × 215 mm–
Battery life detailUp to 15 hours wireless web; lithium-polymer battery50 Wh lithium-ion, up to 4.5 hours. Maker reference 2.6 kg includes battery and optical drive; varies by configuration/manufacturing. Published dimensions: height 2.8 cm, width 34.8 cm, depth 24.1 cm.
ChargerSold separately in the UK (30 W, 35 W dual-port or 70 W Apple USB-C adapters offered); needs at least 30 W over USB PD65 W power adapter
Fast chargingWith a 70 W or higher USB PD power source–
Materials100% recycled aluminium enclosure; 55% recycled content overallAluminium enclosure
ColoursSky Blue, Silver, Starlight, Midnight–
Connections
Ports2 × Thunderbolt 4, MagSafe 3, headphone jack2 × USB-A, Ethernet, headphone jack
Wi-FiWi-Fi 7AirPort Extreme 802.11g/b
Bluetooth61.1
Webcam12MP Center Stage–
Operating systemmacOSmacOS
Port detail2 × Thunderbolt 4 (USB-C) with charging, DisplayPort, Thunderbolt 4 and USB 4 (up to 40 Gb/s); MagSafe 3; 3.5 mm headphone jack with high-impedance headphone supportTwo 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 displaysUp to two at 6K 60 Hz or 4K 144 Hz, or one at up to 8K 60 Hz, 5K 120 Hz or 4K 240 Hz, alongside the built-in displayDual display/mirroring; external resolution up to 2048 × 1536. DVI-to-VGA and S-video-to-composite adapters included; ADC adapter separate.
KeyboardBacklit Magic Keyboard, 78 (ANSI) or 79 (ISO) keys including 12 full-height function keysFull-size keyboard; ambient-sensor backlight standard on 1.5 GHz and optional on 1.33 GHz.
TrackpadForce Touch trackpadTap, double-tap and drag support
SpeakersFour-speaker sound system; Spatial Audio with Dolby AtmosStereo speakers with midrange-enhancing third speaker
MicrophonesThree-mic array with directional beamforming; Voice Isolation and Wide Spectrum modesInternal omnidirectional microphone
BiometricsTouch ID–
In the box13-inch MacBook Air, USB-C to MagSafe 3 Cable (2 m); power adapter sold separatelyApple UK confirms immediate availability on 19 April 2004; Mac OS X 10.3 Panther and iLife ’04 supplied.

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