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Product comparison · 2 laptops

Lenovo ThinkPad R400 (744333G), ES vs Lenovo ThinkPad T400 (64734JG), ES

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  • 110specifications compared
  • 20differ
  • 90identical
  • 14known for one product only

Key differences

  • Processor model
    • T6670
    • P8400
  • Processor frequency
    • 2.2 GHz
    • 2.26 GHz
  • Processor cache
    • 2 MB
    • 3 MB
  • Processor front side bus
    • 800 MHz
    • 1066 MHz
  • Thermal Design Power (TDP)
    • 35 W
    • 25 W
  • CPU multiplier (bus/core ratio)
    • 11
    • 8.5
  • Audio system
    • Intel HDA 24-bit
    • HDA 24-bit
  • Networking features
    • WLAN, Gigabit Ethernet
    • Gigabit Ethernet, WLAN

Side by side

Differences highlightedShow differences only
124 specifications
A

Lenovo

ThinkPad R400 (744333G), ESView product
B

Lenovo

ThinkPad T400 (64734JG), ESView product
Displayidentical
Display surfaceKnown for oneGloss
LED backlightKnown for oneYes
Processor7 differ
Processor modelDiffersT6670P8400
Processor frequencyDiffers2.2 GHz2.26 GHz
Processor cacheDiffers2 MB3 MB
Processor front side busDiffers800 MHz1066 MHz
Processor seriesDiffersIntel Core 2 Duo T6000 SeriesIntel Core 2 Duo P8000 Series
SteppingKnown for oneM0
Thermal Design Power (TDP)Differs35 W25 W
CPU multiplier (bus/core ratio)Differs118.5
Storageidentical
Number of HDDs installedKnown for one1
HDD speedKnown for one5400 RPM
Audio1 differ
Audio systemDiffersIntel HDA 24-bitHDA 24-bit
Number of built-in speakersKnown for one2
Speaker powerKnown for one2 W
Network3 differ
Networking featuresDiffersWLAN, Gigabit EthernetGigabit Ethernet, WLAN
Wireless technologyDiffersIntel 5100AGNIntel WiFi 5100AGN
BluetoothDiffersNoYes
Bluetooth versionKnown for one2.0+EDR
Ports & interfaces2 differ
Firewire (IEEE 1394) portsDiffers01
Docking connectorDiffersNoYes
Keyboardidentical
Keyboard layoutKnown for oneQWERTY
Processor special features4 differ
Embedded options availableDiffersNoYes
Idle StatesKnown for oneYes
Intel Enhanced Halt StateDiffersNoYes
Intel Trusted Execution TechnologyDiffersNoYes
Processor ARK IDDiffers4210935569
Processor codeKnown for oneSL3BU
Battery1 differ
Battery life (max)Differs5.6 h6.6 h
Securityidentical
Fingerprint readerKnown for oneYes
Weight & dimensions2 differ
WeightDiffers2.4 kg2.38 kg
HeightDiffers34.9 mm31.9 mm
Other featuresidentical
Intel segment taggingKnown for oneHome office, Small Business
Modem typeKnown for one1

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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