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Product comparison · 2 laptops

Lenovo ThinkPad T400 (647425G), US vs Lenovo ThinkPad T510

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  • 110specifications compared
  • 54differ
  • 56identical
  • 35known for one product only

Key differences

  • Display diagonal
    • 35.8 cm (14.1")
    • 38.1 cm (15")
  • Display resolution
    • 1440 x 900 pixels
    • 1600 x 900 pixels
  • Native aspect ratio
    • 16:10
    • 16:9
  • Processor family
    • Intel® Core™2 Duo
    • Intel® Core™ i7
  • Processor model
    • P8600
    • i7-620M
  • Processor threads
    • 2
    • 4
  • Processor frequency
    • 2.4 GHz
    • 2.66 GHz
  • Processor cache
    • 3 MB
    • 4 MB

Side by side

Differences highlightedShow differences only
145 specifications
A

Lenovo

ThinkPad T400 (647425G), USView product
B

Lenovo

ThinkPad T510View product
Display3 differ
Display diagonalDiffers35.8 cm (14.1")38.1 cm (15")
Display resolutionDiffers1440 x 900 pixels1600 x 900 pixels
HD typeKnown for oneHD+
Native aspect ratioDiffers16:1016:9
Display brightnessKnown for one220 cd/m²
LED backlightKnown for oneYes
Display surfaceKnown for oneGloss
Processor16 differ
Processor familyDiffersIntel® Core™2 DuoIntel® Core™ i7
Processor generationKnown for oneIntel® Core™ i7
Processor modelDiffersP8600i7-620M
Processor threadsDiffers24
Processor boost frequencyKnown for one3.33 GHz
Processor frequencyDiffers2.4 GHz2.66 GHz
System bus rateKnown for one2.5 GT/s
Processor cacheDiffers3 MB4 MB
Processor cache typeDiffersL2Smart Cache
Processor socketDiffersSocket 479BGA 1288
Processor lithographyDiffers45 nm32 nm
Processor seriesDiffersIntel Core 2 Duo P8000 SeriesIntel Core i7-600 Mobile Series
Processor codenameDiffersPenrynArrandale
Bus typeDiffersFSBDMI
SteppingDiffersR1C2
Thermal Design Power (TDP)Differs25 W35 W
Maximum number of PCI Express lanesKnown for one16
PCI Express configurationsKnown for one1x16
PCI Express slots versionKnown for one2.0
Number of Processing Die TransistorsDiffers410 M382 M
Processing Die sizeDiffers107 mm²81 mm²
CPU multiplier (bus/core ratio)Differs920
Memory3 differ
Internal memoryDiffers2 GB4 GB
Memory layout (slots x size)Differs1 x 2 GB2 x 2 GB
Memory slotsKnown for one2x SO-DIMM
Maximum internal memoryDiffers4 GB8 GB
Memory clock speedKnown for one1066 MHz
Storage2 differ
Total storage capacityDiffers160 GB320 GB
HDD speedKnown for one5400 RPM
Card reader integratedDiffersNoYes
Number of HDDs installedKnown for one1
Graphics1 differ
On-board graphics cardKnown for oneYes
Discrete graphics card modelDiffersIntel® GMA 4500MHDNVIDIA Quadro HD 6310
Discrete graphics card memoryKnown for one0.25 GB
On-board graphics card familyKnown for oneIntel® HD Graphics
On-board graphics card modelKnown for oneIntel® HD Graphics
On-board graphics card base frequencyKnown for one500 MHz
On-board graphics card dynamic frequency (max)Known for one766 MHz
Audio2 differ
Audio systemDiffersHDA 24-bitHigh Definition Audio
Number of built-in speakersDiffers21
Network2 differ
Mobile network connectionKnown for oneYes
Mobile network generationKnown for one3G
Wireless technologyDiffersIntel WiFi 5100AGN802.11 b/g/n
BluetoothDiffersNoYes
Cabling technologyKnown for one10/100/1000Base-T(X)
Ports & interfaces2 differ
eSATA ports quantityKnown for one1
ExpressCard slotDiffersNoYes
SmartCard slotDiffersNoYes
Keyboardidentical
Pointing deviceKnown for oneThinkPad UltraNav
Software1 differ
Operating system installedDiffersWindows Vista BusinessWindows 7 Professional
Drivers includedKnown for oneYes
Trial softwareKnown for oneMicrosoft Office 2007
Processor special features17 differ
CPU configuration (max)Known for one1
Embedded options availableDiffersNoYes
Graphics & IMC lithographyKnown for one45 nm
Intel Clear Video TechnologyDiffersNoYes
Intel Dual Display Capable TechnologyDiffersNoYes
Intel FDI TechnologyDiffersNoYes
Intel Fast Memory AccessDiffersNoYes
Intel Flex Memory AccessDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)DiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersNoYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)DiffersNoYes
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® Turbo Boost TechnologyDiffersNo1.0
Physical Address Extension (PAE)Known for one36 bit
Processor ARK IDDiffers3556843560
Processor codeDiffersSLGDZSLBPE
Processor package sizeDiffers35 x 35 mmrPGA 37.5x 37.5, BGA 34x28
Supported instruction setsKnown for oneSSE4.1/4.2
Thermal Monitoring TechnologiesDiffersNoYes
Battery1 differ
Number of battery cellsDiffers69
Battery life (max)Known for one6.6 h
Weight & dimensions4 differ
WeightDiffers2.2 kg2.67 kg
WidthDiffers335.5 mm372.8 mm
DepthDiffers239 mm245.1 mm
HeightDiffers31.9 mm38.5 mm
Other featuresidentical
Modem typeKnown for oneV.92
Cameraidentical
Front cameraKnown for oneNo
Packaging contentidentical
AC adapter includedKnown for oneYes

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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