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Product comparison · 2 laptops

Lenovo ThinkPad SL510 + Case vs Lenovo ThinkPad T400 (647425G), US

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  • 84specifications compared
  • 38differ
  • 46identical
  • 42known for one product only

Key differences

  • Display diagonal
    • 39.6 cm (15.6")
    • 35.8 cm (14.1")
  • Display resolution
    • 1366 x 768 pixels
    • 1440 x 900 pixels
  • Native aspect ratio
    • 16:9
    • 16:10
  • Processor model
    • T5870
    • P8600
  • Processor frequency
    • 2 GHz
    • 2.4 GHz
  • Processor cache
    • 2 MB
    • 3 MB
  • Processor front side bus
    • 800 MHz
    • 1066 MHz
  • Processor socket
    • LGA 3647 (Socket P)
    • Socket 479

Side by side

Differences highlightedShow differences only
126 specifications
A

Lenovo

ThinkPad SL510 + CaseView product
B

Lenovo

ThinkPad T400 (647425G), USView product
Display3 differ
Display diagonalDiffers39.6 cm (15.6")35.8 cm (14.1")
Display resolutionDiffers1366 x 768 pixels1440 x 900 pixels
LED backlightKnown for oneYes
Native aspect ratioDiffers16:916:10
Display surfaceKnown for oneGloss
Processor13 differ
Processor modelDiffersT5870P8600
Processor threadsKnown for one2
Processor frequencyDiffers2 GHz2.4 GHz
Processor cacheDiffers2 MB3 MB
Processor front side busDiffers800 MHz1066 MHz
Processor socketDiffersLGA 3647 (Socket P)Socket 479
Processor lithographyDiffers65 nm45 nm
Processor seriesDiffersIntel Core 2 Duo T5000 SeriesIntel Core 2 Duo P8000 Series
Processor codenameKnown for onePenryn
Bus typeKnown for oneFSB
SteppingDiffersM0R1
Thermal Design Power (TDP)Differs35 W25 W
TjunctionDiffers100 °C105 °C
Number of Processing Die TransistorsDiffers291 M410 M
Processing Die sizeDiffers143 mm²107 mm²
CPU multiplier (bus/core ratio)Differs109
ECC supported by processorKnown for oneNo
Memory1 differ
Maximum internal memoryDiffers8 GB4 GB
Memory slotsKnown for one2x SO-DIMM
Storage2 differ
Total storage capacityDiffers250 GB160 GB
Number of HDDs installedKnown for one1
Card reader integratedDiffersYesNo
HDD speedKnown for one5400 RPM
Compatible memory cardsKnown for oneMMC, MS Pro, SD, SDHC, xD
Audio2 differ
Audio systemDiffersHigh Definition AudioHDA 24-bit
Speaker powerDiffers3 W2 W
Cameraidentical
Front cameraKnown for oneNo
Network3 differ
Networking featuresDiffersGigabit EthernetGigabit Ethernet, WLAN
Wireless technologyDiffersIEEE 802.11a/g/nIntel WiFi 5100AGN
BluetoothDiffersYesNo
Cabling technologyKnown for one10/100/1000Base-T(X)
Bluetooth versionKnown for one2.1+EDR
Ports & interfaces5 differ
HDMI ports quantityDiffers10
Firewire (IEEE 1394) portsDiffers01
S/PDIF out portDiffersYesNo
Docking connectorDiffersNoYes
SmartCard slotDiffersYesNo
Software1 differ
Operating system installedDiffersWindows 7 ProfessionalWindows Vista Business
Drivers includedKnown for oneYes
Trial softwareKnown for oneMicrosoft Office 2007
Processor special features3 differ
Intel® Wireless Display (Intel® WiDi)Known for oneNo
Idle StatesKnown for oneYes
Intel Clear Video TechnologyKnown for oneNo
Intel Dual Display Capable TechnologyKnown for oneNo
Intel Enhanced Halt StateKnown for oneYes
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 TechnologyDiffersNoYes
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® 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
Processor ARK IDDiffers3703435568
Processor codeDiffersSLAZRSLGDZ
Thermal Monitoring TechnologiesKnown for oneNo
Conflict-Free processorKnown for oneNo
Battery1 differ
Battery life (max)Differs4 h6.6 h
Securityidentical
Fingerprint readerKnown for oneYes
Weight & dimensions4 differ
WeightDiffers2.56 kg2.2 kg
WidthDiffers387 mm335.5 mm
DepthDiffers247 mm239 mm
HeightDiffers36 mm31.9 mm
Packaging contentidentical
AC adapter includedKnown for oneYes
Other featuresidentical
Intel segment taggingKnown for oneHome office, Small Business
Modem typeKnown for oneV.90
Keyboardidentical
Pointing deviceKnown for oneThinkPad UltraNav

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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