Product comparison · 2 laptops

Lenovo ThinkPad 400 Intel® Core™2 Duo P8400 vs Lenovo T400 (2767-R8G)

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  • 104specifications compared
  • 21differ
  • 83identical
  • 24known for one product only

Key differences

  • Processor model
    • ThinkPad 400 Intel® Core™2 Duo P8400:P8400
    • T400 (2767-R8G):T9400
  • Processor frequency
    • ThinkPad 400 Intel® Core™2 Duo P8400:2.26 GHz
    • T400 (2767-R8G):2.53 GHz
  • Processor cache
    • ThinkPad 400 Intel® Core™2 Duo P8400:3 MB
    • T400 (2767-R8G):6 MB
  • Processor socket
    • ThinkPad 400 Intel® Core™2 Duo P8400:Socket 478
    • T400 (2767-R8G):Socket 479
  • Stepping
    • ThinkPad 400 Intel® Core™2 Duo P8400:M0
    • T400 (2767-R8G):E0
  • Thermal Design Power (TDP)
    • ThinkPad 400 Intel® Core™2 Duo P8400:25 W
    • T400 (2767-R8G):35 W
  • CPU multiplier (bus/core ratio)
    • ThinkPad 400 Intel® Core™2 Duo P8400:8.5
    • T400 (2767-R8G):9.5
  • Internal memory
    • ThinkPad 400 Intel® Core™2 Duo P8400:1 GB
    • T400 (2767-R8G):2 GB

Side by side

Differences highlightedShow differences only (off)
Comparison of 400, T400 (2767-R8G)
128 specifications
Designidentical
Product colourKnown for oneUnknown — not stated by the sourceBlack
Displayidentical
Display diagonal35.8 cm (14.1")35.8 cm (14.1")
Display resolution1280 x 800 pixels1280 x 800 pixels
Native aspect ratio16:1016:10
Display brightnessKnown for oneUnknown — not stated by the source185 cd/m²
Processor8 differ
Processor manufacturerIntelIntel
Processor familyIntel® Core™2 DuoIntel® Core™2 Duo
Processor modelDiffersP8400T9400
Processor cores22
Processor threads22
Processor frequencyDiffers2.26 GHz2.53 GHz
Processor cacheDiffers3 MB6 MB
Processor cache typeL2L2
Processor front side bus1066 MHz1066 MHz
Processor socketDiffersSocket 478Socket 479
Processor lithography45 nm45 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core 2 Duo P8000 SeriesIntel Core 2 Duo T9000 Series
Processor codenamePenrynPenryn
Bus typeFSBFSB
FSB ParityNoNo
SteppingDiffersM0E0
Thermal Design Power (TDP)Differs25 W35 W
Tjunction105 °C105 °C
Number of Processing Die Transistors410 M410 M
Processing Die size107 mm²107 mm²
CPU multiplier (bus/core ratio)Differs8.59.5
ECC supported by processorNoNo
Memory2 differ
Internal memoryDiffers1 GB2 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory clock speed1066 MHz1066 MHz
Maximum internal memoryDiffers4 GB8 GB
Memory slotsKnown for one2x SO-DIMMUnknown — not stated by the source
Storage2 differ
Total storage capacityDiffers80 GB160 GB
Number of HDDs installed11
HDD interfaceSATASATA
HDD speedDiffers5400 RPM7200 RPM
Card reader integratedYesYes
Optical drive typeKnown for oneDVD-ROMUnknown — not stated by the source
Compatible memory cardsKnown for oneMemory Stick (MS), MMC, MS PRO, SD, SDHCUnknown — not stated by the source
Graphics2 differ
On-board graphics cardKnown for oneUnknown — not stated by the sourceNo
Discrete graphics cardYesYes
Discrete graphics card modelDiffersIntel® GMA 4500MHDAMD Radeon HD 3470
Discrete graphics card memoryKnown for oneUnknown — not stated by the source0.25 GB
Graphics card familyDiffersIntelAMD
On-board graphics card modelKnown for oneUnknown — not stated by the sourceNot available
Networkidentical
Wi-FiYesYes
Ethernet LANYesYes
BluetoothYesYes
Bluetooth versionKnown for oneUnknown — not stated by the source2.1+EDR
Cabling technologyKnown for oneUnknown — not stated by the source10/100/1000Base-T(X)
Ports & interfaces1 differ
USB 2.0 ports quantity33
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity00
eSATA ports quantity00
Ethernet LAN (RJ-45) ports11
HDMI ports quantity00
DisplayPorts quantity00
DVI portNoNo
VGA (D-Sub) ports quantity11
Firewire (IEEE 1394) ports11
Headphone outputs11
S/PDIF out portNoNo
Microphone inYesYes
Docking connectorDiffersYesNo
ExpressCard slotYesYes
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotNoNo
Modem (RJ-11) ports11
TV-outNoNo
Performanceidentical
Motherboard chipsetKnown for oneUnknown — not stated by the sourceIntel® GM45 Express
Keyboardidentical
Pointing deviceKnown for oneUnknown — not stated by the sourceThinkPad UltraNav
Softwareidentical
Operating system installedWindows Vista BusinessWindows Vista Business
Operating system architecture32-bit32-bit
Processor special features4 differ
Intel® Wireless Display (Intel® WiDi)NoNo
Embedded options availableYesYes
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesDiffersYesNo
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateDiffersYesNo
Intel FDI TechnologyNoNo
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Rapid Storage TechnologyNoNo
Intel Trusted Execution TechnologyYesYes
Intel VT-x with Extended Page Tables (EPT)NoNo
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)NoNo
Intel® AES New Instructions (Intel® AES-NI)NoNo
Intel® Anti-Theft Technology (Intel® AT)NoNo
Intel® Clear Video HD Technology (Intel® CVT HD)NoNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® Hyper Threading Technology (Intel® HT Technology)NoNo
Intel® InTru™ 3D TechnologyNoNo
Intel® Insider™NoNo
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Quick Sync Video TechnologyNoNo
Intel® Turbo Boost TechnologyNoNo
Processor ARK IDDiffers3556935562
Processor codeDiffersSL3BUSLGEK
Processor package size35 x 35 mm35 x 35 mm
Thermal Monitoring TechnologiesNoNo
Conflict-Free processorNoNo
Batteryidentical
Number of battery cells66
Battery life (max)Known for oneUnknown — not stated by the source6.5 h
Poweridentical
DC-in jackYesYes
Security1 differ
Cable lock slotDiffersYesNo
Fingerprint readerYesYes
Cable lock slot typeKnown for oneIBMUnknown — not stated by the source
Password protection typeKnown for oneHDDUnknown — not stated by the source
Weight & dimensions1 differ
WidthDiffers335.5 mm335.3 mm
Depth238 mm238 mm
Height (front)Known for oneUnknown — not stated by the source2.76 cm
Height (rear)Known for oneUnknown — not stated by the source3.19 cm
WeightKnown for one2.38 kgUnknown — not stated by the source
HeightKnown for one32 mmUnknown — not stated by the source
Packaging contentidentical
AC adapter includedYesYes
Other featuresidentical
Infrared data portNoNo
Compliance industry standardsKnown for oneUnknown — not stated by the sourceIEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Internal modemKnown for oneUnknown — not stated by the sourceYes
Intel segment taggingHome office, Small BusinessHome office, Small Business
Audioidentical
Audio systemKnown for oneHDUnknown — not stated by the source
Number of built-in speakersKnown for one2Unknown — not stated by the source
Cameraidentical
Front cameraKnown for oneNoUnknown — not stated by the source

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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