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Product comparison · 2 laptops

Fujitsu LIFEBOOK A531 Intel® Core™ i5 i5-2410M Laptop vs Fujitsu LIFEBOOK E751 Intel® Core™ i7 i7-2620M

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  • 142specifications compared
  • 38differ
  • 104identical
  • 44known for one product only

Key differences

  • Processor family
    • Intel® Core™ i5
    • Intel® Core™ i7
  • Processor generation
    • 2nd gen Intel® Core™ i5
    • 2nd gen Intel® Core™ i7
  • Processor model
    • i5-2410M
    • i7-2620M
  • Processor boost frequency
    • 2.9 GHz
    • 3.4 GHz
  • Processor frequency
    • 2.3 GHz
    • 2.7 GHz
  • Processor cache
    • 3 MB
    • 4 MB
  • PCI Express configurations
    • 1x8, 1x16, 2x4, 2x8
    • 1x16, 2x8, 1x8+2x4
  • CPU multiplier (bus/core ratio)
    • 23
    • 27

Side by side

Differences highlightedShow differences only
186 specifications
A

Fujitsu

LIFEBOOK A531 Intel® Core™ i5 i5-2410M Laptop

Model A531

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B

Fujitsu

LIFEBOOK E751 Intel® Core™ i7 i7-2620M

Model E751

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Designidentical
Product typeKnown for oneLaptop
Displayidentical
Display brightnessKnown for one220 cd/m²
Contrast ratio (typical)Known for one300:1
TouchscreenKnown for oneNo
Display surfaceKnown for oneMatt
External displayKnown for oneNo
Processor9 differ
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffers2nd gen Intel® Core™ i52nd gen Intel® Core™ i7
Processor modelDiffersi5-2410Mi7-2620M
Processor boost frequencyDiffers2.9 GHz3.4 GHz
Processor frequencyDiffers2.3 GHz2.7 GHz
Processor cacheDiffers3 MB4 MB
Processor seriesDiffersIntel Core i5-2400 Mobile SeriesIntel Core i7-2600 Mobile Series
PCI Express configurationsDiffers1x8, 1x16, 2x4, 2x81x16, 2x8, 1x8+2x4
CPU multiplier (bus/core ratio)Differs2327
Storage3 differ
HDD speedDiffers5400 RPM7200 RPM
HDD sizeKnown for one2.5"
Optical drive typeDiffersDVD Super MultiDVD-RW
Compatible memory cardsDiffersMemory Stick (MS), MS PRO, SD, SDHCMemory Stick (MS), MS PRO, SD
Graphics1 differ
Graphics card familyKnown for oneIntel
On-board graphics card dynamic frequency (max)Differs1200 MHz1300 MHz
Maximum graphics card memoryKnown for one1.695 GB
Maximum resolutionKnown for one1920 x 1200 pixels
Audioidentical
Number of built-in speakersKnown for one2
Built-in microphoneKnown for oneYes
Audio systemKnown for oneRealtek ALC269 HD
Network2 differ
Wireless technologyKnown for one802.11 a/b/g/n
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, 802.11b, 802.11g
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
BluetoothDiffersYesNo
LAN controllerKnown for oneIntel® 82579V
Bluetooth versionKnown for one2.1+EDR
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers34
eSATA/USB 2.0 ports quantityDiffers01
HDMI ports quantityDiffers10
DisplayPorts quantityDiffers01
Line-inKnown for oneYes
Docking connectorDiffersNoYes
SmartCard slotDiffersNoYes
Headphone connectivityKnown for one3.5 mm
Microphone connectivityKnown for one3.5 mm
PS/2 ports quantityKnown for one0
Keyboard1 differ
Numeric keypadDiffersYesNo
Full-size keyboardKnown for oneYes
Keyboard number of keysKnown for one106
Keyboard keystrokeKnown for one1.8 mm
Keyboard key pitchKnown for one1.98 cm
Softwareidentical
Drivers includedKnown for oneYes
Pre-installed softwareKnown for oneAdobe Acrobat Reader, CyberLink YouCam, EasyGuide
Compatible operating systemsKnown for oneMicrosoft Windows 7 Home Premium 64-bit, Windows 7 Home Basic 64-bit, Windows 7 Starter 32-bit
Processor special features6 differ
CPU configuration (max)Known for one1
Intel Trusted Execution TechnologyDiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Insider™DiffersNoYes
Processor ARK IDDiffers5222452231
Processor codeKnown for oneSR041
Processor package sizeDiffers37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Intel® Smart CacheKnown for oneYes
Battery2 differ
Battery technologyKnown for oneLithium-Ion (Li-Ion)
Battery capacityDiffers4400 mAh5800 mAh
Battery life (max)Differs7.333 h10 h
Power3 differ
AC adapter powerDiffers65 W80 W
AC adapter frequencyKnown for one50 - 60 Hz
AC adapter output currentDiffers3.25 A4.22 A
AC adapter output voltageDiffers20 V19 V
Securityidentical
Password protection typeKnown for oneBIOS, HDD, User
HDD user passwordKnown for oneYes
Operational conditions1 differ
Operating temperature (T-T)Known for one5 - 35 °C
Operating relative humidity (H-H)Differs20 - 85%20 - 80%
Certificatesidentical
CertificationKnown for oneCE, R&TTE, WiFi, GOST
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Weight & dimensions3 differ
WidthDiffers378 mm372 mm
DepthDiffers252 mm245 mm
HeightDiffers36.5 mm35 mm
Packaging contentidentical
ManualKnown for oneYes
Quick start guideKnown for oneYes
Remote control includedKnown for oneNo
Other features1 differ
Compliance industry standardsDiffersIEEE 802.3, IEEE 802.3u, IEEE 802.3abIEEE 802.3/802.3u/802.3ab
Supplied AC adapter typeKnown for oneAC
Internal modemKnown for oneNo
TV tuner integratedKnown for oneNo

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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