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Product comparison · 2 laptops

Lenovo IBM THINKPAD T42 P M-1.8(745) CENT. 512/60G/14/DVD/CDRW/WXP US vs Lenovo ThinkPad Z61t - 944389G

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  • 69specifications compared
  • 23differ
  • 46identical
  • 60known for one product only

Key differences

  • Display resolution
    • 1400 x 1050 pixels
    • 1440 x 900 pixels
  • Native aspect ratio
    • 4:3
    • 16:10
  • Processor family
    • Intel Pentium Mobile
    • Intel® Core™ Duo
  • Processor model
    • 745
    • T2400
  • Processor cores
    • 1
    • 2
  • Processor threads
    • 1
    • 2
  • Processor frequency
    • 1.8 GHz
    • 1.83 GHz
  • Processor front side bus
    • 400 MHz
    • 667 MHz

Side by side

Differences highlightedShow differences only
129 specifications
A

Lenovo

IBM THINKPAD T42 P M-1.8(745) CENT. 512/60G/14/DVD/CDRW/WXP USView product
B

Lenovo

ThinkPad Z61t - 944389GView product
Display2 differ
Display diagonal35.8 cm (14.1")35.8 cm (14.1")
Display resolutionDiffers1400 x 1050 pixels1440 x 900 pixels
Native aspect ratioDiffers4:316:10
Processor14 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel Pentium MobileIntel® Core™ Duo
Processor modelDiffers745T2400
Processor coresDiffers12
Processor threadsDiffers12
Processor frequencyDiffers1.8 GHz1.83 GHz
Processor cache2 MB2 MB
Processor cache typeL2L2
Processor front side busDiffers400 MHz667 MHz
Processor socketDiffersSocket 479Socket 478
Processor lithographyDiffers90 nm65 nm
Processor operating modes32-bit32-bit
Processor seriesDiffersIntel Pentium M 700 SeriesIntel Core Duo T2000 Series
Processor codenameDiffersDothanYonah
Bus typeFSBFSB
FSB ParityNoNo
SteppingKnown for oneC0
Thermal Design Power (TDP)Differs21 W31 W
Tjunction100 °C100 °C
Number of Processing Die TransistorsDiffers144 M151 M
Processing Die sizeDiffers87 mm²90 mm²
CPU multiplier (bus/core ratio)Differs1811
ECC supported by processorNoNo
Memoryidentical
Internal memory0.5 GB0.5 GB
Internal memory typeKnown for oneDDR2-SDRAM
Memory clock speedKnown for one667 MHz
Memory layout (slots x size)Known for one1 x 0.5 GB
Maximum internal memoryKnown for one2 GB
Storageidentical
Total storage capacity60 GB60 GB
HDD interfaceKnown for oneSATA
HDD speed5400 RPM5400 RPM
Optical drive typeDVD-ROMDVD-ROM
Card reader integratedKnown for oneYes
Graphics1 differ
Discrete graphics cardYesYes
Discrete graphics card modelDiffersAMD Mobility Radeon 9600Intel® GMA 950
Maximum graphics card memoryKnown for one0.064 GB
Maximum resolutionKnown for one2048 x 1536 pixels
Graphics card interfaceKnown for oneAGP 4X
Audio1 differ
Audio systemDiffersstereoIntel HDA 24-bitbb
Number of built-in speakers22
Network1 differ
Networking featuresDiffersEthernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11g/BluetoothGigabit Ethernet, WLAN
Wireless technologyKnown for oneIntel 3945 a/b/g
BluetoothKnown for oneYes
Bluetooth versionKnown for one2.0+EDR
Cabling technologyKnown for one10/100/1000Base-T(X)
Ports & interfacesidentical
USB 2.0 ports quantityKnown for one3
Ethernet LAN (RJ-45) portsKnown for one1
DVI portKnown for oneNo
VGA (D-Sub) ports quantityKnown for one1
Firewire (IEEE 1394) portsKnown for one1
Headphone outputsKnown for one1
S/PDIF out portKnown for oneNo
Microphone inKnown for oneYes
Docking connectorKnown for oneNo
ExpressCard slotKnown for oneYes
CardBus PCMCIA slots quantityKnown for one0
CardBus PCMCIA slot typeKnown for oneNo
SmartCard slotKnown for oneNo
Modem (RJ-11) portsKnown for one1
TV-in portKnown for oneNo
TV-outKnown for oneYes
TV-out typeKnown for oneS-Video
PS/2 ports quantityKnown for one0
Parallel ports quantityKnown for one0
Serial ports quantityKnown for one0
USB 1.1 ports quantityKnown for one0
I/O portsKnown for one-External Display -Headphone/Line out -Infrared -Parallel -RJ-11 -RJ-45 -S-Video out -2 USB 2.0 -AC adapter -Expansion Bus port (for Dock II/Mini Dock or Port Replicator II) -External microphone
Keyboardidentical
Pointing deviceKnown for oneThinkPad UltraNav
Keyboard typeKnown for oneFull size
Softwareidentical
Operating system installedKnown for oneWindows XP Professional
Bundled softwareKnown for oneYes
Compatible operating systemsKnown for oneMicrosoft Windows XP Professional
Processor special features3 differ
Intel® Wireless Display (Intel® WiDi)NoNo
Embedded options availableDiffersYesNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesNoNo
Intel 64NoNo
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateNoNo
Intel FDI TechnologyNoNo
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Rapid Storage TechnologyNoNo
Intel Trusted Execution TechnologyNoNo
Intel VT-x with Extended Page Tables (EPT)NoNo
Intel Virtualization Technology (VT-x)DiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)NoNo
Intel® AES New Instructions (Intel® AES-NI)NoNo
Intel® Anti-Theft Technology (Intel® AT)NoNo
Intel® Clear Video HD Technology (Intel® CVT HD)NoNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® Hyper Threading Technology (Intel® HT Technology)NoNo
Intel® InTru™ 3D TechnologyNoNo
Intel® Insider™NoNo
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Quick Sync Video TechnologyNoNo
Intel® Turbo Boost TechnologyNoNo
Processor ARK IDDiffers2759127235
Processor package size35 x 35 mm35 x 35 mm
Thermal Monitoring TechnologiesNoNo
Conflict-Free processorNoNo
Poweridentical
DC-in jackKnown for oneYes
Securityidentical
Fingerprint readerKnown for oneYes
Trusted Platform Module (TPM)Known for oneYes
HDD user passwordKnown for oneYes
Weight & dimensions1 differ
WeightDiffers2.1 kg2.25 kg
WidthKnown for one334 mm
DepthKnown for one228 mm
HeightKnown for one26.6 mm
Dimensions (WxDxH)Known for one311 x 255 x 27 mm
Other featuresidentical
Infrared data portKnown for oneYes
Internal modemYesYes
Modem speed56 Kbit/s56 Kbit/s
Modem typeKnown for oneV.92
Security featuresKnown for one-Hard disk drive password -Supervisor password -Integrated fingerprint reader -IBM Embedded Security Subsystem 2.0 -IBM Security Slot -Power-on password
Battery typeKnown for one6 Cell Lithium-Ion
Supplied AC adapter typeKnown for oneAC
Optical driveidentical
CD read speedKnown for one24x
CD write speedKnown for one24x
CD rewrite speedKnown for one24x
DVD read speedKnown for one8x
Batteryidentical
Battery life (max)Known for one4 h
Hard driveidentical
Storage drive typeKnown for oneATA-100 (Enhanced IDE)

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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