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
    • LIFEBOOK A531 Intel® Core™ i5 i5-2410M Laptop:Intel® Core™ i5
    • LIFEBOOK E751 Intel® Core™ i7 i7-2620M:Intel® Core™ i7
  • Processor generation
    • LIFEBOOK A531 Intel® Core™ i5 i5-2410M Laptop:2nd gen Intel® Core™ i5
    • LIFEBOOK E751 Intel® Core™ i7 i7-2620M:2nd gen Intel® Core™ i7
  • Processor model
    • LIFEBOOK A531 Intel® Core™ i5 i5-2410M Laptop:i5-2410M
    • LIFEBOOK E751 Intel® Core™ i7 i7-2620M:i7-2620M
  • Processor boost frequency
    • LIFEBOOK A531 Intel® Core™ i5 i5-2410M Laptop:2.9 GHz
    • LIFEBOOK E751 Intel® Core™ i7 i7-2620M:3.4 GHz
  • Processor frequency
    • LIFEBOOK A531 Intel® Core™ i5 i5-2410M Laptop:2.3 GHz
    • LIFEBOOK E751 Intel® Core™ i7 i7-2620M:2.7 GHz
  • Processor cache
    • LIFEBOOK A531 Intel® Core™ i5 i5-2410M Laptop:3 MB
    • LIFEBOOK E751 Intel® Core™ i7 i7-2620M:4 MB
  • PCI Express configurations
    • LIFEBOOK A531 Intel® Core™ i5 i5-2410M Laptop:1x8, 1x16, 2x4, 2x8
    • LIFEBOOK E751 Intel® Core™ i7 i7-2620M:1x16, 2x8, 1x8+2x4
  • CPU multiplier (bus/core ratio)
    • LIFEBOOK A531 Intel® Core™ i5 i5-2410M Laptop:23
    • LIFEBOOK E751 Intel® Core™ i7 i7-2620M:27

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Comparison of A531, E751
186 specifications
Designidentical
Product colourBlack, SilverBlack, Silver
Form factorClamshellClamshell
Product typeKnown for oneLaptopUnknown — not stated by the source
Displayidentical
Display diagonal39.6 cm (15.6")39.6 cm (15.6")
Display resolution1366 x 768 pixels1366 x 768 pixels
LED backlightYesYes
Native aspect ratio16:916:9
Display brightnessKnown for oneUnknown — not stated by the source220 cd/m²
Contrast ratio (typical)Known for oneUnknown — not stated by the source300:1
TouchscreenKnown for oneNoUnknown — not stated by the source
Display surfaceKnown for oneMattUnknown — not stated by the source
External displayKnown for oneNoUnknown — not stated by the source
Processor9 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffers2nd gen Intel® Core™ i52nd gen Intel® Core™ i7
Processor modelDiffersi5-2410Mi7-2620M
Processor cores22
Processor threads44
Processor boost frequencyDiffers2.9 GHz3.4 GHz
Processor frequencyDiffers2.3 GHz2.7 GHz
System bus rate5 GT/s5 GT/s
Processor cacheDiffers3 MB4 MB
Processor cache typeSmart CacheSmart Cache
Processor socketBGA 1023BGA 1023
Processor lithography32 nm32 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core i5-2400 Mobile SeriesIntel Core i7-2600 Mobile Series
Processor codenameSandy BridgeSandy Bridge
Bus typeDMIDMI
FSB ParityNoNo
SteppingJ1J1
Thermal Design Power (TDP)35 W35 W
Tjunction100 °C100 °C
Maximum number of PCI Express lanes1616
PCI Express configurationsDiffers1x8, 1x16, 2x4, 2x81x16, 2x8, 1x8+2x4
PCI Express slots version2.02.0
CPU multiplier (bus/core ratio)Differs2327
ECC supported by processorNoNo
Memoryidentical
Internal memory4 GB4 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory clock speed1333 MHz1333 MHz
Memory slots2x SO-DIMM2x SO-DIMM
Maximum internal memory8 GB8 GB
Storage3 differ
Total storage capacity500 GB500 GB
Storage mediaHDDHDD
Number of HDDs installed11
HDD capacity500 GB500 GB
HDD interfaceSATASATA
HDD speedDiffers5400 RPM7200 RPM
HDD sizeKnown for oneUnknown — not stated by the source2.5"
Optical drive typeDiffersDVD Super MultiDVD-RW
Card reader integratedYesYes
Compatible memory cardsDiffersMemory Stick (MS), MS PRO, SD, SDHCMemory Stick (MS), MS PRO, SD
Graphics1 differ
On-board graphics cardYesYes
Graphics card familyKnown for oneUnknown — not stated by the sourceIntel
On-board graphics card familyIntel® HD GraphicsIntel® HD Graphics
On-board graphics card modelIntel® HD Graphics 3000Intel® HD Graphics 3000
On-board graphics card base frequency650 MHz650 MHz
On-board graphics card dynamic frequency (max)Differs1200 MHz1300 MHz
On-board graphics card ID0x1160x116
Maximum graphics card memoryKnown for one1.695 GBUnknown — not stated by the source
Maximum resolutionKnown for one1920 x 1200 pixelsUnknown — not stated by the source
Audioidentical
Number of built-in speakersKnown for oneUnknown — not stated by the source2
Built-in microphoneKnown for oneUnknown — not stated by the sourceYes
Audio systemKnown for oneRealtek ALC269 HDUnknown — not stated by the source
Cameraidentical
Front camera resolution (numeric)1.3 MP1.3 MP
Network2 differ
Wi-FiYesYes
Networking featuresGigabit EthernetGigabit Ethernet
Wireless technologyKnown for oneUnknown — not stated by the source802.11 a/b/g/n
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, 802.11b, 802.11g
Ethernet LANYesYes
Ethernet LAN data ratesKnown for oneUnknown — not stated by the source10,100,1000 Mbit/s
BluetoothDiffersYesNo
Cabling technology10/100/1000Base-T(X)10/100/1000Base-T(X)
LAN controllerKnown for oneUnknown — not stated by the sourceIntel® 82579V
Integrated 4G WiMAXYesYes
Bluetooth versionKnown for one2.1+EDRUnknown — not stated by the source
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers34
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity00
eSATA/USB 2.0 ports quantityDiffers01
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity00
eSATA ports quantity00
Ethernet LAN (RJ-45) ports11
HDMI ports quantityDiffers10
DisplayPorts quantityDiffers01
DVI portNoNo
VGA (D-Sub) ports quantity11
Firewire (IEEE 1394) ports00
Thunderbolt ports quantity00
Headphone outputs11
S/PDIF out portNoNo
Line-inKnown for oneUnknown — not stated by the sourceYes
Microphone inYesYes
Docking connectorDiffersNoYes
ExpressCard slotYesYes
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotDiffersNoYes
Headphone connectivityKnown for oneUnknown — not stated by the source3.5 mm
Microphone connectivityKnown for oneUnknown — not stated by the source3.5 mm
TV-outNoNo
PS/2 ports quantityKnown for one0Unknown — not stated by the source
Performanceidentical
Motherboard chipsetIntel® HM65 ExpressIntel® HM65 Express
Keyboard1 differ
Pointing deviceTouchpadTouchpad
Numeric keypadDiffersYesNo
Full-size keyboardKnown for oneUnknown — not stated by the sourceYes
Keyboard number of keysKnown for one106Unknown — not stated by the source
Keyboard keystrokeKnown for one1.8 mmUnknown — not stated by the source
Keyboard key pitchKnown for one1.98 cmUnknown — not stated by the source
Softwareidentical
Operating system installedWindows 7 ProfessionalWindows 7 Professional
Operating system architecture64-bit64-bit
Drivers includedKnown for oneUnknown — not stated by the sourceYes
Pre-installed softwareKnown for oneAdobe Acrobat Reader, CyberLink YouCam, EasyGuideUnknown — not stated by the source
Compatible operating systemsKnown for oneMicrosoft Windows 7 Home Premium 64-bit, Windows 7 Home Basic 64-bit, Windows 7 Starter 32-bitUnknown — not stated by the source
Processor special features6 differ
Intel® Wireless Display (Intel® WiDi)YesYes
CPU configuration (max)Known for oneUnknown — not stated by the source1
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithography32 nm32 nm
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyYesYes
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyYesYes
Intel Fast Memory AccessYesYes
Intel Flex Memory AccessYesYes
Intel Identity Protection Technology version1.001.00
Intel Rapid Storage TechnologyNoNo
Intel Trusted Execution TechnologyDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Anti-Theft Technology (Intel® AT)YesYes
Intel® Clear Video HD Technology (Intel® CVT HD)YesYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Identity Protection Technology (Intel® IPT)YesYes
Intel® InTru™ 3D TechnologyYesYes
Intel® Insider™DiffersNoYes
Intel® My WiFi Technology (Intel® MWT)YesYes
Intel® Quick Sync Video TechnologyYesYes
Intel® Turbo Boost Technology2.02.0
Processor ARK IDDiffers5222452231
Processor codeKnown for oneUnknown — not stated by the sourceSR041
Processor package sizeDiffers37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction setsAVXAVX
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorNoNo
Intel® Smart CacheKnown for oneYesUnknown — not stated by the source
Battery2 differ
Battery technologyKnown for oneUnknown — not stated by the sourceLithium-Ion (Li-Ion)
Number of battery cells66
Battery capacityDiffers4400 mAh5800 mAh
Battery life (max)Differs7.333 h10 h
Power3 differ
AC adapter powerDiffers65 W80 W
AC adapter frequencyKnown for oneUnknown — not stated by the source50 - 60 Hz
AC adapter input voltage100 - 240 V100 - 240 V
AC adapter output currentDiffers3.25 A4.22 A
AC adapter output voltageDiffers20 V19 V
DC-in jackYesYes
Securityidentical
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
Password protection typeKnown for oneUnknown — not stated by the sourceBIOS, HDD, User
HDD user passwordKnown for oneUnknown — not stated by the sourceYes
Operational conditions1 differ
Operating temperature (T-T)Known for oneUnknown — not stated by the source5 - 35 °C
Operating relative humidity (H-H)Differs20 - 85%20 - 80%
Certificatesidentical
Compliance certificatesRoHSRoHS
CertificationKnown for oneCE, R&TTE, WiFi, GOSTUnknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for oneUnknown — not stated by the sourceENERGY STAR
Weight & dimensions3 differ
Weight2.5 kg2.5 kg
WidthDiffers378 mm372 mm
DepthDiffers252 mm245 mm
HeightDiffers36.5 mm35 mm
Packaging contentidentical
AC adapter includedYesYes
ManualKnown for oneUnknown — not stated by the sourceYes
Quick start guideKnown for oneUnknown — not stated by the sourceYes
Remote control includedKnown for oneNoUnknown — not stated by the source
Other features1 differ
Infrared data portNoNo
Compliance industry standardsDiffersIEEE 802.3, IEEE 802.3u, IEEE 802.3abIEEE 802.3/802.3u/802.3ab
Power supply typeAC/DCAC/DC
Supplied AC adapter typeKnown for oneUnknown — not stated by the sourceAC
Internal modemKnown for oneNoUnknown — not stated by the source
TV tuner integratedKnown 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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