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Product comparison · 2 laptops

Acer Aspire E E5-771G-71WU Intel® Core™ i7 i7-4510U Laptop vs Lenovo T440p + 70A29002E

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  • 144specifications compared
  • 48differ
  • 96identical
  • 56known for one product only

Key differences

  • Product colour
    • Anthracite, Silver
    • Black
  • Display diagonal
    • 43.9 cm (17.3")
    • 35.6 cm (14")
  • Display brightness
    • 200 cd/m²
    • 250 cd/m²
  • Processor model
    • i7-4510U
    • i7-4700MQ
  • Processor cores
    • 2
    • 4
  • Processor threads
    • 4
    • 8
  • Processor boost frequency
    • 3.1 GHz
    • 3.4 GHz
  • Processor frequency
    • 2 GHz
    • 2.4 GHz

Side by side

Differences highlightedShow differences only
200 specifications
A

Acer

Aspire E E5-771G-71WU Intel® Core™ i7 i7-4510U Laptop

Model E5-771G-71WU

View product
B

Lenovo

T440p + 70A29002EView product
Design1 differ
Product colourDiffersAnthracite, SilverBlack
Housing materialKnown for oneCarbon fibre, Glass fibre, Plastic
Market positioningKnown for oneBusiness
Display2 differ
Display diagonalDiffers43.9 cm (17.3")35.6 cm (14")
Display brightnessDiffers200 cd/m²250 cd/m²
Processor13 differ
Processor modelDiffersi7-4510Ui7-4700MQ
Processor coresDiffers24
Processor threadsDiffers48
Processor boost frequencyDiffers3.1 GHz3.4 GHz
Processor frequencyDiffers2 GHz2.4 GHz
Processor cacheDiffers4 MB6 MB
Processor socketDiffersBGA 1168PGA946
Processor seriesDiffersIntel Core i7-4500 Mobile seriesIntel Core i7-4700 Mobile series
SteppingDiffersD0C0
Thermal Design Power (TDP)Differs15 W47 W
Maximum number of PCI Express lanesDiffers1216
PCI Express configurationsDiffers4x1, 2x41x16, 2x8, 1x8+2x4
PCI Express slots versionDiffers2.03.0
System bus rateKnown for one5 GT/s
Memoryidentical
Memory clock speedKnown for one1600 MHz
Memory layout (slots x size)Known for one1 x 8 GB
Storage6 differ
Total storage capacityDiffers1 TB500 GB
HDD capacityDiffers1 TB500 GB
HDD interfaceDiffersSATASATA III
HDD speedDiffers5400 RPM7200 RPM
Optical drive typeDiffersDVD Super Multi DLDVD±RW
Compatible memory cardsDiffersSDMMC, SD, SDHC, SDXC
Number of SSDs installedKnown for one0
Graphics6 differ
Discrete graphics card modelDiffersNVIDIA® GeForce® 820MNVIDIA® GeForce® GT 730M
On-board graphics card modelDiffersIntel® HD Graphics 4400Intel® HD Graphics 4600
On-board graphics card base frequencyDiffers200 MHz400 MHz
On-board graphics card dynamic frequency (max)Differs1100 MHz1150 MHz
On-board graphics card DirectX versionDiffers11.2/1211.1
On-board graphics card IDDiffers0xA160x416
Number of discrete graphics cards supportedKnown for one1
Maximum resolutionKnown for one3840 x 2160 pixels
Graphics card Open GL supportKnown for oneYes
Discrete graphics card memoryKnown for one2 GB
On-board graphics card OpenGL versionKnown for one4.3
Audioidentical
Audio systemKnown for oneDolby Advanced Audio v2
Speaker powerKnown for one1 W
Cameraidentical
Front camera resolutionKnown for one1280 x 720 pixels
Network1 differ
Mobile network connectionKnown for oneYes
Mobile network generationKnown for one3G
2G standardsKnown for oneEdge, GPRS, GSM
3G standardsKnown for oneHSPA+
Wi-Fi standardsDiffers802.11a, 802.11b, 802.11g802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
WWANKnown for oneInstalled
Ports & interfaces3 differ
HDMI ports quantityDiffers10
Mini DisplayPorts quantityKnown for one1
Docking connectorDiffersNoYes
SmartCard slotDiffersNoYes
USB Sleep-and-ChargeKnown for oneYes
USB Sleep-and-Charge portsKnown for one1
Headphone outputsKnown for one0
Microphone inKnown for oneNo
Total number of SATA connectorsKnown for one4
Number of SATA III connectorsKnown for one4
Performanceidentical
Motherboard chipsetKnown for oneIntel® QM87
GPS (satellite)Known for oneYes
Keyboard2 differ
Pointing deviceDiffersTouchpadThinkPad UltraNav
Keyboard backlitKnown for oneYes
Numeric keypadDiffersYesNo
Island-style keyboardKnown for oneYes
Spill-resistant keyboardKnown for oneYes
Software1 differ
Operating system installedDiffersWindows 8.1Windows 7 Professional
Trial softwareKnown for oneMcAfee Internet Security Suite, Microsoft Office 2013
Processor special features5 differ
Intel Rapid Storage TechnologyDiffersYesNo
Intel® My WiFi Technology (Intel® MWT)DiffersNoYes
Intel® Virtualization Technology (Intel® VT)Known for oneVT-x
Processor ARK IDDiffers8101575117
Processor codeDiffersSR1EBSR15H
Processor package sizeDiffers40 x 24 x 1.5 mm37.5 x 32 x 1.6 mm
Intel ME Firmware VersionKnown for one9.5
Intel Smart Connect TechnologyKnown for oneYes
Intel Smart Connect Technology versionKnown for one1.00
Intel® Active Management Technology (Intel® AMT)Known for oneNo
Intel® High Definition Audio (Intel® HD Audio)Known for oneYes
Intel® Matrix Storage Technology (Intel® MST)Known for oneNo
Intel® Rapid Start TechnologyKnown for oneNo
Intel® Small Business Advantage (Intel® SBA)Known for oneNo
Intel® Smart Response TechnologyKnown for oneNo
Battery3 differ
Battery technologyDiffersLithium Polymer (LiPo)Lithium-Ion (Li-Ion)
Number of battery cellsDiffers49
Battery capacityKnown for one99.9 Wh
Battery life (max)Differs4 h12.7 h
Power1 differ
AC adapter powerDiffers90 W135 W
Security1 differ
Cable lock slotDiffersNoYes
Fingerprint readerKnown for oneYes
Trusted Platform Module (TPM)Known for oneYes
Password protection typeKnown for oneHDD, Power on, Supervisor
Certificatesidentical
Compliance certificatesKnown for oneRoHS
CertificationKnown for oneGREENGUARD
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Gold, ENERGY STAR
Weight & dimensions3 differ
WeightDiffers3 kg2.31 kg
WidthDiffers423.3 mm335 mm
DepthDiffers289.9 mm229.1 mm
Height (front)Known for one2.79 cm
Height (rear)Known for one3 cm
HeightKnown for one28 mm
Packaging contentidentical
Mouse includedKnown for oneYes
Bag includedKnown for oneYes
ManualKnown for oneYes
Other featuresidentical
Intel segment taggingKnown for oneHome office, Small Business

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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