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Product comparison · 2 laptops

Lenovo ThinkPad X23 vs Lenovo ThinkPad Z61m (9452-KLG), NL

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  • 44specifications compared
  • 22differ
  • 22identical
  • 76known for one product only

Key differences

  • Display diagonal
    • 30.7 cm (12.1")
    • 39.1 cm (15.4")
  • Display resolution
    • 1024 x 768 pixels
    • 1680 x 1050 pixels
  • Native aspect ratio
    • 4:3
    • 16:10
  • Processor family
    • Intel® Pentium®
    • Intel® Core™2 Duo
  • Processor frequency
    • 0.866 GHz
    • 2 GHz
  • Internal memory
    • 0.125 GB
    • 1 GB
  • Internal memory type
    • DDR-SDRAM
    • DDR2-SDRAM
  • Total storage capacity
    • 30 GB
    • 120 GB

Side by side

Differences highlightedShow differences only
120 specifications
A

Lenovo

ThinkPad X23View product
B

Lenovo

ThinkPad Z61m (9452-KLG), NLView product
Display3 differ
Display diagonalDiffers30.7 cm (12.1")39.1 cm (15.4")
Display resolutionDiffers1024 x 768 pixels1680 x 1050 pixels
Native aspect ratioDiffers4:316:10
Processor2 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Pentium®Intel® Core™2 Duo
Processor modelKnown for oneT7200
Processor coresKnown for one2
Processor threadsKnown for one2
Processor frequencyDiffers0.866 GHz2 GHz
Processor cacheKnown for one4 MB
Processor cache typeKnown for oneL2
Processor front side busKnown for one667 MHz
Processor socketKnown for oneSocket 479
Processor lithographyKnown for one65 nm
Processor operating modesKnown for one64-bit
Processor seriesKnown for oneIntel Core 2 Duo T7000 Series
Processor codenameKnown for oneMerom
Bus typeKnown for oneFSB
FSB ParityKnown for oneNo
SteppingKnown for oneB2
Thermal Design Power (TDP)Known for one34 W
TjunctionKnown for one100 °C
Processor core voltage (AC)Known for one1.0375 - 1.30 V
Number of Processing Die TransistorsKnown for one291 M
Processing Die sizeKnown for one143 mm²
CPU multiplier (bus/core ratio)Known for one12
ECC supported by processorKnown for oneNo
Memory2 differ
Internal memoryDiffers0.125 GB1 GB
Internal memory typeDiffersDDR-SDRAMDDR2-SDRAM
Memory clock speedKnown for one667 MHz
Memory layout (slots x size)Known for one1 x 1 GB
Maximum internal memoryKnown for one4 GB
Storage2 differ
Total storage capacityDiffers30 GB120 GB
HDD interfaceKnown for oneSATA
HDD speedDiffers4200 RPM5400 RPM
Optical drive typeKnown for oneDVD-RW
Graphicsidentical
Discrete graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneAMD Mobility Radeon X1400
Maximum graphics card memoryKnown for one0.128 GB
Audioidentical
Audio systemKnown for oneIntel HDA 24-bit
Number of built-in speakersKnown for one2
Speaker powerKnown for one2 W
Cameraidentical
Front cameraNoNo
Network2 differ
Networking featuresDiffersEthernet/Fast EthernetGigabit Ethernet, WLAN
Wireless technologyKnown for oneIntel 3945 a/b/g
BluetoothDiffersYesNo
Cabling technologyKnown for one10/100/1000Base-T(X)
Bluetooth versionKnown for one2.0+EDR
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers23
Ethernet LAN (RJ-45) ports11
DVI portNoNo
VGA (D-Sub) ports quantity11
Firewire (IEEE 1394) portsDiffers01
Headphone outputs11
S/PDIF out portNoNo
Microphone inYesYes
Docking connectorYesYes
ExpressCard slotNoNo
CardBus PCMCIA slots quantityDiffers10
CardBus PCMCIA slot typeDiffersType IINo
SmartCard slotNoNo
Modem (RJ-11) ports11
TV-in portNoNo
TV-outDiffersNoYes
TV-out typeKnown for oneS-Video
PS/2 ports quantity00
Parallel ports quantity00
Serial ports quantity00
USB 1.1 ports quantity00
Keyboard1 differ
Pointing deviceDiffersTrackpadThinkPad UltraNav
Software1 differ
Operating system installedDiffersWindows XP ProfessionalWindows Vista Business
Bundled softwareKnown for oneAdobe Acrobat Reader Diskeeper Lite Picasa
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)Known for oneNo
Embedded options availableKnown for oneNo
Enhanced Intel SpeedStep TechnologyKnown for oneYes
Execute Disable BitKnown for oneYes
Idle StatesKnown for oneNo
Intel 64Known for oneYes
Intel Clear Video TechnologyKnown for oneNo
Intel Demand Based SwitchingKnown for oneNo
Intel Dual Display Capable TechnologyKnown for oneNo
Intel Enhanced Halt StateKnown for oneNo
Intel FDI TechnologyKnown for oneNo
Intel Fast Memory AccessKnown for oneNo
Intel Flex Memory AccessKnown for oneNo
Intel Rapid Storage TechnologyKnown for oneNo
Intel Trusted Execution TechnologyKnown for oneNo
Intel VT-x with Extended Page Tables (EPT)Known for oneNo
Intel Virtualization Technology (VT-x)Known for oneYes
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneNo
Intel® AES New Instructions (Intel® AES-NI)Known for oneNo
Intel® Anti-Theft Technology (Intel® AT)Known for oneNo
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneNo
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneNo
Intel® InTru™ 3D TechnologyKnown for oneNo
Intel® Insider™Known for oneNo
Intel® My WiFi Technology (Intel® MWT)Known for oneNo
Intel® Quick Sync Video TechnologyKnown for oneNo
Intel® Turbo Boost TechnologyKnown for oneNo
Processor ARK IDKnown for one27255
Processor package sizeKnown for one35 x 35 mm
Thermal Monitoring TechnologiesKnown for oneNo
Conflict-Free processorKnown for oneNo
Batteryidentical
Number of battery cells66
Poweridentical
DC-in jackYesYes
Securityidentical
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneIBM
Fingerprint readerKnown for oneYes
HDD user passwordKnown for oneYes
Weight & dimensions4 differ
WeightDiffers1.47 kg3.17 kg
WidthDiffers279 mm357 mm
DepthDiffers227 mm262.5 mm
HeightDiffers25 mm37.3 mm
Dimensions (WxDxH)Known for one279 x 227 x 25 mm
Packaging contentidentical
AC adapter includedKnown for oneYes
Other featuresidentical
Infrared data portYesYes
Internal modemYesYes
Modem speed56 Kbit/s56 Kbit/s
Supplied AC adapter typeKnown for oneAC

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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