Product comparison · 2 laptops

ASUS X50SR-AP294C, UK vs Lenovo ThinkPad T400 (6474P8G), UK

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  • 108specifications compared
  • 34differ
  • 74identical
  • 30known for one product only

Key differences

  • Display diagonal
    • X50SR-AP294C, UK:39.1 cm (15.4")
    • ThinkPad T400 (6474P8G), UK:35.8 cm (14.1")
  • Processor model
    • X50SR-AP294C, UK:T6400
    • ThinkPad T400 (6474P8G), UK:P8600
  • Processor frequency
    • X50SR-AP294C, UK:2 GHz
    • ThinkPad T400 (6474P8G), UK:2.4 GHz
  • Processor cache
    • X50SR-AP294C, UK:2 MB
    • ThinkPad T400 (6474P8G), UK:3 MB
  • Processor front side bus
    • X50SR-AP294C, UK:800 MHz
    • ThinkPad T400 (6474P8G), UK:1066 MHz
  • Processor socket
    • X50SR-AP294C, UK:Socket 478
    • ThinkPad T400 (6474P8G), UK:Socket 479
  • Stepping
    • X50SR-AP294C, UK:R0
    • ThinkPad T400 (6474P8G), UK:R1
  • Thermal Design Power (TDP)
    • X50SR-AP294C, UK:35 W
    • ThinkPad T400 (6474P8G), UK:25 W

Side by side

Differences highlightedShow differences only (off)
Comparison of X50SR-AP294C, UK, ThinkPad T400 (6474P8G), UK
138 specifications
Display1 differ
Display diagonalDiffers39.1 cm (15.4")35.8 cm (14.1")
Display resolution1280 x 800 pixels1280 x 800 pixels
Native aspect ratio16:1016:10
Display surfaceKnown for oneUnknown — not stated by the sourceGloss
Processor9 differ
Processor manufacturerIntelIntel
Processor familyIntel® Core™2 DuoIntel® Core™2 Duo
Processor modelDiffersT6400P8600
Processor cores22
Processor threads22
Processor frequencyDiffers2 GHz2.4 GHz
Processor cacheDiffers2 MB3 MB
Processor cache typeL2L2
Processor front side busDiffers800 MHz1066 MHz
Processor socketDiffersSocket 478Socket 479
Processor lithography45 nm45 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core 2 Duo T6000 SeriesIntel Core 2 Duo P8000 Series
Processor codenamePenrynPenryn
Bus typeFSBFSB
FSB ParityNoNo
SteppingDiffersR0R1
Thermal Design Power (TDP)Differs35 W25 W
Tjunction105 °C105 °C
Number of Processing Die Transistors410 M410 M
Processing Die size107 mm²107 mm²
CPU multiplier (bus/core ratio)Differs109
ECC supported by processorNoNo
Memory4 differ
Internal memoryDiffers4 GB2 GB
Internal memory typeDiffersDDR2-SDRAMDDR3-SDRAM
Memory clock speedDiffers800 MHz1066 MHz
Memory layout (slots x size)Differs2 x 2 GB1 x 2 GB
Maximum internal memory4 GB4 GB
Storage2 differ
Total storage capacityDiffers320 GB160 GB
Number of HDDs installed11
HDD interfaceSATASATA
HDD speed5400 RPM5400 RPM
Card reader integratedDiffersYesNo
Compatible memory cardsKnown for oneMiniSD, MMC, SD, xDUnknown — not stated by the source
Graphics1 differ
On-board graphics cardKnown for oneNoUnknown — not stated by the source
Discrete graphics cardYesYes
Discrete graphics card modelDiffersAMD Mobility Radeon HD 3470Intel® GMA 4500MHD
Discrete graphics card memoryKnown for one0.512 GBUnknown — not stated by the source
On-board graphics card modelKnown for oneNot availableUnknown — not stated by the source
Audio1 differ
Audio systemDiffersAzaliaHDA 24-bit
Number of built-in speakers22
Audio system full duplexKnown for oneYesUnknown — not stated by the source
Audio system direct 3D soundKnown for oneYesUnknown — not stated by the source
Speaker powerKnown for oneUnknown — not stated by the source2 W
Cameraidentical
Front camera resolution (numeric)Known for one1.3 MPUnknown — not stated by the source
Front cameraKnown for oneUnknown — not stated by the sourceNo
Network3 differ
Networking featuresDiffersWLAN, Gigabit EthernetGigabit Ethernet, WLAN
Wireless technologyDiffersIEEE 802.11b/g/nIntel WiFi 5100AGN
BluetoothDiffersNoYes
Cabling technology10/100/1000Base-T(X)10/100/1000Base-T(X)
Bluetooth versionKnown for oneUnknown — not stated by the source2.0+EDR
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers43
Ethernet LAN (RJ-45) ports11
HDMI ports quantity00
DVI portDiffersYesNo
VGA (D-Sub) ports quantity11
Firewire (IEEE 1394) portsDiffers01
Headphone outputs11
S/PDIF out portNoNo
Microphone inYesYes
Docking connectorDiffersNoYes
ExpressCard slotNoNo
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotNoNo
Modem (RJ-11) ports11
TV-in portNoNo
TV-outNoNo
PS/2 ports quantity00
Parallel ports quantity00
Serial ports quantity00
Keyboardidentical
Keyboard number of keysKnown for one88Unknown — not stated by the source
Keyboard layoutKnown for oneUnknown — not stated by the sourceQWERTY
Software1 differ
Operating system installedDiffersWindows Vista Home PremiumWindows Vista Business
Drivers includedYesYes
Trial softwareKnown for oneUnknown — not stated by the sourceMicrosoft Office 2007
Processor special features5 differ
Intel® Wireless Display (Intel® WiDi)NoNo
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateDiffersNoYes
Intel FDI TechnologyNoNo
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Rapid Storage TechnologyNoNo
Intel Trusted Execution TechnologyDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)NoNo
Intel Virtualization Technology (VT-x)DiffersNoYes
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 IDDiffers4047935568
Processor codeDiffersSLGJ4SLGDZ
Processor package size35 x 35 mm35 x 35 mm
Thermal Monitoring TechnologiesNoNo
Conflict-Free processorNoNo
Idle StatesKnown for oneUnknown — not stated by the sourceYes
Batteryidentical
Number of battery cells66
Battery life (max)Known for oneUnknown — not stated by the source6.3 h
Poweridentical
AC adapter powerKnown for one90 WUnknown — not stated by the source
AC adapter input voltageKnown for one100 - 240 VUnknown — not stated by the source
AC adapter output currentKnown for one4.74 AUnknown — not stated by the source
AC adapter output voltageKnown for one19 VUnknown — not stated by the source
DC-in jackYesYes
Certificatesidentical
CertificationKnown for oneUSA(FCC-B), JAP(VCCI-B), TWN, CCC, CE, CB, cUL, CCCUnknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers2.6 kg2.38 kg
WidthDiffers365 mm335 mm
DepthDiffers262 mm238 mm
Height (front)Known for one2.7 cmUnknown — not stated by the source
Height (rear)Known for one3.5 cmUnknown — not stated by the source
HeightKnown for oneUnknown — not stated by the source31.9 mm
Packaging contentidentical
AC adapter includedYesYes
Other featuresidentical
BIOS memory sizeKnown for one64 MbitUnknown — not stated by the source
Infrared data portNoNo
Internal modemYesYes
Modem speed56 Kbit/s56 Kbit/s
Supplied AC adapter typeACAC
Intel segment taggingKnown for oneUnknown — not stated by the sourceHome office, Small Business
Securityidentical
Cable lock slotKnown for oneUnknown — not stated by the sourceYes
Cable lock slot typeKnown for oneUnknown — not stated by the sourceIBM
Fingerprint readerKnown for oneUnknown — not stated by the sourceYes
HDD user passwordKnown 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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