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Product comparison · 2 laptops

Lenovo ThinkPad T431s Intel® Core™ i7 i7-3687U Laptop vs Lenovo Z400 Touch

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  • 124specifications compared
  • 42differ
  • 82identical
  • 48known for one product only

Key differences

  • Display resolution
    • 1600 x 900 pixels
    • 1366 x 768 pixels
  • Touchscreen
    • No
    • Yes
  • HD type
    • HD+
    • HD
  • Processor family
    • Intel® Core™ i7
    • Intel® Core™ i3
  • Processor generation
    • 3rd gen Intel® Core™ i7
    • 3rd gen Intel® Core™ i3
  • Processor model
    • i7-3687U
    • i3-3120M
  • Processor frequency
    • 2.1 GHz
    • 2.5 GHz
  • Processor cache
    • 4 MB
    • 3 MB

Side by side

Differences highlightedShow differences only
172 specifications
A

Lenovo

ThinkPad T431s Intel® Core™ i7 i7-3687U Laptop

Model T431s

View product
B

Lenovo

Z400 TouchView product
Display3 differ
Display resolutionDiffers1600 x 900 pixels1366 x 768 pixels
TouchscreenDiffersNoYes
HD typeDiffersHD+HD
Display brightnessKnown for one270 cd/m²
Touch technologyKnown for oneMulti-touch
Display surfaceKnown for oneGloss
Dual-screenKnown for oneNo
Processor9 differ
Processor familyDiffersIntel® Core™ i7Intel® Core™ i3
Processor generationDiffers3rd gen Intel® Core™ i73rd gen Intel® Core™ i3
Processor modelDiffersi7-3687Ui3-3120M
Processor boost frequencyKnown for one3.3 GHz
Processor frequencyDiffers2.1 GHz2.5 GHz
Processor cacheDiffers4 MB3 MB
Processor socketKnown for oneBGA 1023
Processor seriesDiffersIntel Core i7-3600 Mobile seriesIntel Core i3-3100 Mobile Series
SteppingKnown for oneL1
Thermal Design Power (TDP)Differs17 W35 W
PCI Express configurationsDiffers1x8, 1x16, 2x4, 2x81x16, 2x8, 1x8+2x4
CPU multiplier (bus/core ratio)Differs2125
Memory2 differ
Internal memoryDiffers8 GB4 GB
Memory form factorKnown for oneOn-board + SO-DIMM
Maximum internal memoryDiffers12 GB16 GB
Memory clock speedKnown for one1600 MHz
Storage4 differ
Total storage capacityDiffers240 GB500 GB
Storage mediaDiffersSSDHDD
Number of SSDs installedKnown for one1
SSD capacityKnown for one240 GB
SSD interfaceKnown for oneSATA III
Optical drive typeDiffersNoDVD±RW
Compatible memory cardsDiffersMMC, SD, SDHC, SDXCMMC, SD
Number of HDDs installedKnown for one1
HDD capacityKnown for one500 GB
HDD speedKnown for one5400 RPM
Graphics2 differ
On-board graphics card base frequencyDiffers350 MHz650 MHz
On-board graphics card dynamic frequency (max)Differs1200 MHz1100 MHz
Audio1 differ
Audio systemDiffersDHTv4Dolby Home Theatre v4
Built-in microphoneKnown for oneYes
Cameraidentical
Front cameraKnown for oneYes
Front camera resolution (numeric)Known for one1 MP
Optical driveidentical
LightScribeKnown for oneNo
Network2 differ
Wi-Fi standardsDiffers802.11a, 802.11g, Wi-Fi 4 (802.11n)802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN data ratesDiffers10,100,1000 Mbit/s10,100 Mbit/s
Cabling technologyKnown for one10/100Base-T(X)
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers02
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers21
HDMI ports quantityDiffers01
Mini DisplayPorts quantityKnown for one1
Headphone outputsDiffers01
Microphone inDiffersNoYes
Docking connectorKnown for oneNo
ExpressCard slotKnown for oneNo
CardBus PCMCIA slots quantityKnown for one0
CardBus PCMCIA slot typeKnown for oneNo
Keyboardidentical
Windows keysKnown for oneYes
Software1 differ
Operating system installedDiffersWindows 7 ProfessionalWindows 8
Recovery operating systemKnown for oneWindows 8 Pro
Drivers includedKnown for oneYes
Processor special features7 differ
Intel Secure Key Technology versionKnown for one1.00
Intel Smart Connect TechnologyKnown for oneNo
Intel Trusted Execution TechnologyDiffersYesNo
Intel Virtualization Technology for Directed I/O (VT-d)DiffersYesNo
Intel® AES New Instructions (Intel® AES-NI)DiffersYesNo
Intel® Active Management Technology (Intel® AMT)Known for oneNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)DiffersNoYes
Intel® High Definition Audio (Intel® HD Audio)Known for oneNo
Intel® Matrix Storage Technology (Intel® MST)Known for oneNo
Intel® Rapid Start TechnologyKnown for oneNo
Intel® Secure KeyKnown for oneYes
Intel® Smart Response TechnologyKnown for oneNo
Intel® Turbo Boost TechnologyDiffers2.0No
Processor ARK IDDiffers7125871465
Processor codeKnown for oneSR0XH
Processor package sizeDiffers31.0 x 24.0 (BGA1023)37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Intel® Small Business Advantage (Intel® SBA)Known for oneNo
Battery1 differ
Battery technologyKnown for oneLithium Polymer (LiPo)
Number of battery cellsKnown for one3
Battery life (max)Differs9 h5 h
Poweridentical
AC adapter frequencyKnown for one50 - 60 Hz
Security1 differ
Cable lock slotDiffersNoYes
Fingerprint readerKnown for oneYes
Cable lock slot typeKnown for oneKensington
Weight & dimensions4 differ
WeightDiffers1.63 kg2.4 kg
WidthDiffers334 mm345 mm
DepthDiffers226 mm244 mm
HeightDiffers20.6 mm29.1 mm
Packaging contentidentical
Cables includedKnown for oneAC
Remote control includedKnown for oneNo
Other featuresidentical
Intel segment taggingKnown for oneHome office, Small Business
TV tuner integratedKnown for oneNo
64-bit computingKnown for oneYes

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