Product comparison · 2 laptops

Lenovo ThinkPad 400 Intel® Core™2 Duo P8400 vs Lenovo ThinkPad T400 (6474-44G)

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  • 102specifications compared
  • 9differ
  • 93identical
  • 20known for one product only

Key differences

  • Internal memory
    • ThinkPad 400 Intel® Core™2 Duo P8400:1 GB
    • ThinkPad T400 (6474-44G):3 GB
  • Total storage capacity
    • ThinkPad 400 Intel® Core™2 Duo P8400:80 GB
    • ThinkPad T400 (6474-44G):160 GB
  • Discrete graphics card model
    • ThinkPad 400 Intel® Core™2 Duo P8400:Intel® GMA 4500MHD
    • ThinkPad T400 (6474-44G):Intel® GMA X4500HD
  • Docking connector
    • ThinkPad 400 Intel® Core™2 Duo P8400:Yes
    • ThinkPad T400 (6474-44G):No
  • CardBus PCMCIA slots quantity
    • ThinkPad 400 Intel® Core™2 Duo P8400:0
    • ThinkPad T400 (6474-44G):1
  • CardBus PCMCIA slot type
    • ThinkPad 400 Intel® Core™2 Duo P8400:No
    • ThinkPad T400 (6474-44G):Type II
  • Cable lock slot
    • ThinkPad 400 Intel® Core™2 Duo P8400:Yes
    • ThinkPad T400 (6474-44G):No
  • Weight
    • ThinkPad 400 Intel® Core™2 Duo P8400:2.38 kg
    • ThinkPad T400 (6474-44G):2.13 kg

Side by side

Differences highlightedShow differences only (off)
Comparison of 400, ThinkPad T400 (6474-44G)
122 specifications
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
Processoridentical
Processor manufacturerIntelIntel
Processor familyIntel® Core™2 DuoIntel® Core™2 Duo
Processor modelP8400P8400
Processor cores22
Processor threads22
Processor frequency2.26 GHz2.26 GHz
Processor cache3 MB3 MB
Processor cache typeL2L2
Processor front side bus1066 MHz1066 MHz
Processor socketSocket 478Socket 478
Processor lithography45 nm45 nm
Processor operating modes64-bit64-bit
Processor seriesIntel Core 2 Duo P8000 SeriesIntel Core 2 Duo P8000 Series
Processor codenamePenrynPenryn
Bus typeFSBFSB
FSB ParityNoNo
SteppingM0M0
Thermal Design Power (TDP)25 W25 W
Tjunction105 °C105 °C
Number of Processing Die Transistors410 M410 M
Processing Die size107 mm²107 mm²
CPU multiplier (bus/core ratio)8.58.5
ECC supported by processorNoNo
Memory1 differ
Internal memoryDiffers1 GB3 GB
Internal memory typeKnown for oneDDR3-SDRAMUnknown — not stated by the source
Memory clock speedKnown for one1066 MHzUnknown — not stated by the source
Memory slotsKnown for one2x SO-DIMMUnknown — not stated by the source
Maximum internal memoryKnown for one4 GBUnknown — not stated by the source
Memory layout (slots x size)Known for oneUnknown — not stated by the source1 x 1 + 1 x 2 GB
Storage1 differ
Total storage capacityDiffers80 GB160 GB
Number of HDDs installed11
HDD interfaceSATASATA
HDD speed5400 RPM5400 RPM
Optical drive typeDVD-ROMDVD-ROM
Card reader integratedKnown for oneYesUnknown — not stated by the source
Compatible memory cardsKnown for oneMemory Stick (MS), MMC, MS PRO, SD, SDHCUnknown — not stated by the source
Graphics1 differ
Discrete graphics cardYesYes
Discrete graphics card modelDiffersIntel® GMA 4500MHDIntel® GMA X4500HD
Graphics card familyIntelIntel
Maximum graphics card memoryKnown for oneUnknown — not stated by the source0.384 GB
Audioidentical
Audio systemHDHD
Number of built-in speakersKnown for one2Unknown — not stated by the source
Cameraidentical
Front cameraKnown for oneNoUnknown — not stated by the source
Networkidentical
Wi-FiYesYes
Ethernet LANYesYes
BluetoothYesYes
Ports & interfaces3 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 quantityDiffers01
CardBus PCMCIA slot typeDiffersNoType II
SmartCard slotNoNo
Modem (RJ-11) ports11
TV-outNoNo
PS/2 ports quantityKnown for oneUnknown — not stated by the source0
Parallel ports quantityKnown for oneUnknown — not stated by the source0
Serial ports quantityKnown for oneUnknown — not stated by the source0
Softwareidentical
Operating system installedWindows Vista BusinessWindows Vista Business
Operating system architecture32-bit32-bit
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)NoNo
Embedded options availableYesYes
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateYesYes
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 ID3556935569
Processor codeSL3BUSL3BU
Processor package size35 x 35 mm35 x 35 mm
Thermal Monitoring TechnologiesNoNo
Conflict-Free processorNoNo
Batteryidentical
Number of battery cells66
Poweridentical
DC-in jackYesYes
Security1 differ
Cable lock slotDiffersYesNo
Cable lock slot typeKnown for oneIBMUnknown — not stated by the source
Fingerprint readerKnown for oneYesUnknown — not stated by the source
Password protection typeKnown for oneHDDUnknown — not stated by the source
Weight & dimensions2 differ
WeightDiffers2.38 kg2.13 kg
WidthDiffers335.5 mm335.3 mm
Depth238 mm238 mm
HeightKnown for one32 mmUnknown — not stated by the source
Height (front)Known for oneUnknown — not stated by the source2.76 cm
Height (rear)Known for oneUnknown — not stated by the source3.19 cm
Packaging contentidentical
AC adapter includedYesYes
Other featuresidentical
Infrared data portNoNo
Intel segment taggingHome office, Small BusinessHome office, Small Business
Internal modemKnown for oneUnknown — not stated by the sourceYes

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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