IBM ThinkPad 600 vs IBM ThinkPad T42

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ThinkPad 600 compared with ThinkPad T42

	IBMThinkPad 600	IBMThinkPad T42
Overview
Released
Released	April 1998	May 2004
Display
Screen size
Screen size	13.3″	14.1″
Resolution
Resolution	1024 × 768	1400 × 1050 (better)
Brightness
Brightness	150 nits	150 nits
Touchscreen
Touchscreen	No	No
Display type
Display type	Listed US 2645-51U has 13.3-inch active-matrix TFT XGA LCD, 100:1 maker contrast and 75 ms response; 150 nits on AC or 90 nits on battery. Other original600 configurations offered 12.1-inch SVGA TFT or 13-inch XGA HPA dual-scan LCD; panel subtype/native refresh unpublished	Listed US 2373-3UU has 14.1-inch active-matrix TFT SXGA+ LCD, 150 nits; native refresh and panel subtype unpublished. Other original models offered 14.1-inch XGA, or a separate 15-inch chassis
Performance
Processor
Processor	Intel Mobile Pentium II 266 MHz	Intel Pentium M 735
CPU cores
CPU cores	1	1
CPU threads
CPU threads	1	1
Graphics
Graphics	NeoMagic MagicGraph128XD	ATI Mobility Radeon 9600
Memory
Memory	32 MB	512 MB (better)
Storage
Storage	4 GB	40 GB (better)
CPU
CPU	Listed US 2645-51U has Mobile Pentium II 266 MHz, 66 MHz bus and 512 KB L2 cache; original600 also offered Pentium MMX 233 MHz or Mobile Pentium II 233 MHz	Listed Pentium M 735 at 1.7 GHz, 400 MHz system bus and 2 MB on-die ECC L2 cache; other original configurations used Pentium M 745 at 1.8 GHz
GPU
GPU	NeoMagic MagicGraph128XD NM2160B with 2 MB embedded graphics memory; XGA displays 65,536 simultaneous colours, SVGA supports 16 million	Listed ATI Mobility Radeon 9600, AGP 4X with 64 MB DDR graphics memory; XGA configurations instead offered Radeon 7500 with 32 MB
Memory type
Memory type	Listed 32 MB SDRAM standard; Pentium II versions support 288 MB maker maximum with two 144-pin SO-DIMM expansion sockets; Pentium MMX versions have 256 MB maximum; 66 MHz non-parity 3.3 V SDRAM	Listed 512 MB PC2700 DDR-333 CL2.5 in one socket; two 200-pin SO-DIMM sockets and 2 GB maker maximum
Storage type
Storage type	Listed US 2645-51U has removable 4.0 GB Enhanced IDE hard drive and standard 24X–10X CD-ROM; UltraslimBay supports interchangeable diskette/CD-ROM and optional DVD, LS-120, Zip or second hard drive, with differing warm/cold-swap requirements	Listed 40 GB 5400 rpm Enhanced IDE removable hard drive, 9.5 mm high, with Active Protection System; DVD-ROM/CD-RW combo in removable 9.5 mm Ultrabay Slim. Other configurations had DVD-ROM, DVD writer or 80 GB disk
Battery and size
Battery life (maker's claim)
Battery life (maker's claim)	Up to 3 hours	Up to 4.6 hours
Weight
Weight	2.55 kg	2.3 kg (better)
Thickness
Thickness	36.5 mm	31.4 mm (better)
Width × depth
Width × depth	300 × 240 mm	311 × 255 mm
Battery life detail
Battery life detail	Removable lithium-ion battery, maker 3-hour claim; no non-disruptive battery exchange. Headline 2.55 kg is upper maker configuration weight, within 2.14–2.55 kg range; original CD-ROM review samples differ	Six-cell lithium-ion battery, maker maximum 4.6 hours; optional nine-cell up to 7.5 hours, or nine-cell plus Ultrabay Slim battery up to 9.5 hours. Headline 2.3 kg is SXGA+ model weight including optical drive and battery; XGA models are 2.2 kg. Height spans 26.6–31.4 mm, maximum listed
Charger
Charger	56 W barrel-connector AC adapter	Universal 72 W AC adapter
Colours
Colours	–	Black
Connections
Ports
Ports	USB-A, headphone jack	2 × USB-A, Ethernet, headphone jack
Wi-Fi
Wi-Fi	–	802.11a/b/g, Atheros AR5001X+ on listed US 2373-3UU
Bluetooth
Bluetooth	–	Bluetooth, version unpublished in original PSREF
Webcam
Webcam	–	No built-in webcam listed
Operating system
Operating system	Windows	Windows
Port detail
Port detail	One USB, VGA, 9-pin serial, parallel, external diskette connector, PS/2 keyboard/mouse connection, infrared up to 4 Mbps, modem and separate audio input/output; two TypeI/II or one TypeIII PC Card slots with CardBus and Zoomed Video. Ethernet requires an optional PC Card/docking solution	Two USB 2.0, Gigabit RJ-45, parallel, VGA, 4 Mbps infrared, RJ-11 modem, S-video, separate microphone/headphone jacks; two Type I/II or one Type III CardBus PC Card slots. Docking accessories optional
Keyboard
Keyboard	Full-size alphanumeric keyboard with nine Fn-key functions and flat palm rest	87-key keyboard with Access IBM button, 19 mm pitch and 2.5 mm travel; ThinkLight keyboard illumination
Trackpad
Trackpad	No touchpad; TrackPoint with Press-to-Select, Release-to-Select and centre scroll/magnifier button	UltraNav touchpad and TrackPoint with Press-to-Select, scrolling and magnifying glass
Speakers
Speakers	Front stereo 0.5 W speakers with keyboard volume controls	Stereo 1 W speakers with dedicated volume and mute buttons
Microphones
Microphones	Internal microphone with external audio input	Internal microphone and separate microphone input
Biometrics
Biometrics	Power-on, supervisor and hard-drive passwords; security keyhole and optional Allen screw for disk retention	IBM Embedded Security Subsystem 2.0, TCG compliant; power-on, supervisor and hard-drive passwords. Original listed May2004 configuration does not include the later fingerprint-reader revision