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Product comparison · 2 laptops

Fujitsu LIFEBOOK P771 Intel® Core™ i7 i7-2617M vs Lenovo ThinkPad W520 Intel® Core™ i7 i7-2820QM

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  • 140specifications compared
  • 44differ
  • 96identical
  • 61known for one product only

Key differences

  • Display diagonal
    • 30.7 cm (12.1")
    • 39.6 cm (15.6")
  • Display resolution
    • 1280 x 800 pixels
    • 1920 x 1080 pixels
  • Native aspect ratio
    • 16:10
    • 16:9
  • Processor model
    • i7-2617M
    • i7-2820QM
  • Processor cores
    • 2
    • 4
  • Processor threads
    • 4
    • 8
  • Processor boost frequency
    • 2.6 GHz
    • 3.4 GHz
  • Processor frequency
    • 1.5 GHz
    • 2.3 GHz

Side by side

Differences highlightedShow differences only
201 specifications
A

Fujitsu

LIFEBOOK P771 Intel® Core™ i7 i7-2617M

Model P771

View product
B

Lenovo

ThinkPad W520 Intel® Core™ i7 i7-2820QM

Model W520

View product
Display3 differ
Display diagonalDiffers30.7 cm (12.1")39.6 cm (15.6")
Display resolutionDiffers1280 x 800 pixels1920 x 1080 pixels
Native aspect ratioDiffers16:1016:9
Display surfaceKnown for oneMatt
External displayKnown for oneNo
HD typeKnown for oneFull HD
Processor11 differ
Processor modelDiffersi7-2617Mi7-2820QM
Processor coresDiffers24
Processor threadsDiffers48
Processor boost frequencyDiffers2.6 GHz3.4 GHz
Processor frequencyDiffers1.5 GHz2.3 GHz
System bus rateKnown for one5 GT/s
Processor cacheDiffers4 MB8 MB
Processor socketDiffersBGA 1023Socket 1224
Processor seriesDiffersIntel Core i7-2600 Mobile SeriesIntel Core i7-2800 Mobile Series
SteppingDiffersJ1D2
Thermal Design Power (TDP)Differs17 W45 W
CPU multiplier (bus/core ratio)Differs1523
Processor front side busKnown for one1600 MHz
Memory2 differ
Internal memoryDiffers4 GB8 GB
Maximum internal memoryDiffers8 GB32 GB
Memory slotsKnown for one4x SO-DIMM
Memory slots (available)Known for one2
Storage4 differ
Total storage capacityDiffers320 GB500 GB
HDD capacityDiffers320 GB500 GB
HDD sizeKnown for one2.5"
Optical drive typeDiffersDVD Super MultiDVD-RW
Compatible memory cardsDiffersSDMMC
HDD speedKnown for one7200 RPM
Graphics6 differ
Discrete graphics cardDiffersNoYes
Discrete graphics card modelDiffersNot availableNVIDIA® Quadro® 2000M
Graphics card familyDiffersIntelIntel, NVIDIA
On-board graphics card base frequencyDiffers350 MHz650 MHz
On-board graphics card dynamic frequency (max)Differs950 MHz1300 MHz
Maximum resolutionDiffers1920 x 1200 pixels1920 x 1080 pixels
Discrete graphics card memoryKnown for one2 GB
Discrete graphics memory typeKnown for oneGDDR3
Number of discrete graphics cardsKnown for one1
Audioidentical
Audio systemKnown for oneRealtek ALC269
Built-in subwooferKnown for oneNo
Speaker powerKnown for one1 W
Network2 differ
Mobile network connectionKnown for oneYes
Mobile network generationKnown for one3G
Top Wi-Fi standardKnown for oneWi-Fi 4 (802.11n)
Wi-Fi standardsDiffers802.11a, 802.11b, 802.11g802.11a, 802.11g, Wi-Fi 4 (802.11n)
BluetoothDiffersYesNo
Bluetooth versionKnown for one3.0+HS
Wireless technologyKnown for oneWi-Fi
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Ports & interfaces4 differ
eSATA/USB 2.0 ports quantityDiffers01
HDMI ports quantityDiffers10
DisplayPorts quantityDiffers01
Mini DisplayPorts quantityKnown for one0
Micro HDMI ports quantityKnown for one0
Mini VGA ports quantityKnown for one0
Docking connectorDiffersYesNo
SmartCard slotKnown for oneNo
Modem (RJ-11) portsKnown for one0
PS/2 ports quantityKnown for one0
Parallel ports quantityKnown for one0
Serial ports quantityKnown for one0
Keyboard2 differ
Pointing deviceDiffersTouchpad + Scroll zoneThinkPad UltraNav
Keyboard backlitKnown for oneNo
Spill-resistant keyboardKnown for oneYes
Full-size keyboardDiffersNoYes
Keyboard number of keysKnown for one83
Keyboard keystrokeKnown for one2 mm
Keyboard key pitchKnown for one1.8 cm
Softwareidentical
Pre-installed softwareKnown for oneAdobe Acrobat Reader, Application Panel, Display Manager, ShockSensor Utility, Power Saving Utility, Plugfree Network, EasyGuide, Nero Essentials S, Norton Internet Security, Fujitsu Recovery
Trial softwareKnown for oneNorton Internet Security
Compatible operating systemsKnown for oneMicrosoft Windows 7 Home Premium 64-bit, Windows 7 Home Basic 64-bit, Windows XP Professional, Windows Vista Business 32-bit
Processor special features4 differ
Intel® Insider™DiffersNoYes
Processor ARK IDDiffers5461652227
Processor codeDiffersSR03TSR00U
Processor package sizeDiffers31.0 x 24.0 (BGA1023)37.5 x 37.5 (rPGA988B); 31.0 x 24.0 (BGA1224)
Battery2 differ
Number of battery cellsDiffers69
Battery life (max)Differs15 h8.9 h
Poweridentical
AC adapter frequencyKnown for one50 - 60 Hz
AC adapter input voltageKnown for one100 - 240 V
AC adapter output voltageKnown for one19 V
Battery life with optional 2nd batteryKnown for one18 h
AC adapter powerKnown for one170 W
Security1 differ
Cable lock slot typeKnown for oneKensington
Trusted Platform Module (TPM)Known for oneYes
Password protection typeDiffersBIOS, HDDHDD, Power on, Supervisor
Operational conditionsidentical
Operating temperature (T-T)Known for one5 - 35 °C
Operating relative humidity (H-H)Known for one20 - 85%
Certificatesidentical
CertificationKnown for oneCE, RoHS, WEEE, HCT, HCL entry, WHQL, ENERGY STAR 5.0
Weight & dimensions3 differ
WeightDiffers1.3 kg3.11 kg
WidthDiffers282 mm372.8 mm
DepthDiffers215 mm245.1 mm
HeightKnown for one29.9 mm
Height (front)Known for one3.16 cm
Height (rear)Known for one3.58 cm
Width (imperial)Known for one37.3 cm (14.7")
Depth (imperial)Known for one24.5 cm (9.65")
Height (front) (imperial)Known for one3.2 cm (1.26")
Height (rear) (imperial)Known for one3.58 cm (1.41")
Packaging contentidentical
Remote control includedKnown for oneNo
Other featuresidentical
Power supply typeKnown for oneAC/DC
Wake-on-LAN readyKnown for oneYes
Internal modemKnown for oneNo
TV tuner integratedKnown for oneNo
Intel segment taggingKnown for oneProfessional
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Gold, ENERGY STAR

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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