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Product comparison · 2 laptops

Lenovo ThinkPad SL510 vs Lenovo ThinkPad T400 (647425G)

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  • 80specifications compared
  • 33differ
  • 47identical
  • 48known for one product only

Key differences

  • Display diagonal
    • 39.1 cm (15.4")
    • 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
128 specifications
A

Lenovo

ThinkPad SL510View product
B

Lenovo

ThinkPad T400 (647425G)View product
Display3 differ
Display diagonalDiffers39.1 cm (15.4")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
Dual-screenKnown for oneNo
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
Memory clock speedKnown for one1066 MHz
Memory layout (slots x size)Known for one1 x 2 GB
Maximum internal memoryDiffers8 GB4 GB
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
Network2 differ
Wireless technologyDiffers802.11 a/g/nIntel WiFi 5100AGN
BluetoothDiffersYesNo
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
Batteryidentical
Battery life (max)Known for one6.6 h
Securityidentical
Fingerprint readerKnown for oneYes
Weight & dimensions1 differ
WeightDiffers2.56 kg2.2 kg
WidthKnown for one335.5 mm
DepthKnown for one239 mm
HeightKnown for one31.9 mm
Dimensions (WxDxH)Known for one387 x 247 x 36 mm
Other featuresidentical
Intel segment taggingKnown for oneHome office, Small Business
Power requirementsKnown for one100V – 240V AC, 50Hz/60Hz
Keyboardidentical
Pointing deviceKnown for oneThinkPad UltraNav
Operational conditionsidentical
Operating temperature (T-T)Known for one5 - 35 °C
Operating relative humidity (H-H)Known for one30 - 80%

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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