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Product comparison · 2 laptops

Acer Aspire E E5-571PG-78DV Intel® Core™ i7 i7-4510U Laptop vs Lenovo T440p + 70A29002E

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  • 147specifications compared
  • 49differ
  • 98identical
  • 52known for one product only

Key differences

  • Display diagonal
    • 39.6 cm (15.6")
    • 35.6 cm (14")
  • Display resolution
    • 1366 x 768 pixels
    • 1600 x 900 pixels
  • 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
  • Processor cache
    • 4 MB
    • 6 MB

Side by side

Differences highlightedShow differences only
199 specifications
A

Acer

Aspire E E5-571PG-78DV Intel® Core™ i7 i7-4510U Laptop

Model E5-571PG-78DV

View product
B

Lenovo

T440p + 70A29002EView product
Designidentical
Product typeLaptopLaptop
Product colourBlackBlack
Form factorClamshellClamshell
Housing materialKnown for oneCarbon fibre, Glass fibre, Plastic
Market positioningKnown for oneBusiness
Display2 differ
Display diagonalDiffers39.6 cm (15.6")35.6 cm (14")
Display resolutionDiffers1366 x 768 pixels1600 x 900 pixels
TouchscreenNoNo
HD typeKnown for oneHD+
LED backlightYesYes
Native aspect ratio16:916:9
Display brightnessKnown for one250 cd/m²
Processor13 differ
Processor manufacturerIntelIntel
Processor familyIntel® Core™ i7Intel® Core™ i7
Processor generation4th gen Intel® Core™ i74th gen Intel® Core™ i7
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 cache typeSmart CacheSmart Cache
Processor socketDiffersBGA 1168PGA946
Processor lithography22 nm22 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core i7-4500 Mobile seriesIntel Core i7-4700 Mobile series
Processor codenameHaswellHaswell
Bus typeDMI2DMI2
FSB ParityNoNo
SteppingDiffersD0C0
Thermal Design Power (TDP)Differs15 W47 W
Tjunction100 °C100 °C
Maximum number of PCI Express lanesDiffers1216
PCI Express configurationsDiffers4x1, 2x41x16, 2x8, 1x8+2x4
PCI Express slots versionDiffers2.03.0
ECC supported by processorNoNo
System bus rateKnown for one5 GT/s
Memoryidentical
Internal memory8 GB8 GB
Internal memory typeDDR3L-SDRAMDDR3L-SDRAM
Memory clock speedKnown for one1600 MHz
Memory form factorSO-DIMMSO-DIMM
Memory layout (slots x size)Known for one1 x 8 GB
Memory slots2x SO-DIMM2x SO-DIMM
Maximum internal memory16 GB16 GB
Maximum internal memory (64-bit)16 GB16 GB
Storage6 differ
Total storage capacityDiffers1 TB500 GB
Storage mediaHDDHDD
Number of HDDs installed11
HDD capacityDiffers1 TB500 GB
HDD interfaceDiffersSATASATA III
HDD speedDiffers5400 RPM7200 RPM
HDD size2.5"2.5"
Optical drive typeDiffersDVD Super Multi DLDVD±RW
Card reader integratedYesYes
Compatible memory cardsDiffersSDMMC, SD, SDHC, SDXC
Graphics6 differ
On-board graphics cardYesYes
Discrete graphics cardYesYes
Discrete graphics card modelDiffersNVIDIA® GeForce® 840MNVIDIA® GeForce® GT 730M
On-board graphics card familyIntel® HD GraphicsIntel® HD Graphics
On-board graphics card modelDiffersIntel® HD Graphics 4400Intel® HD Graphics 4600
Maximum on-board graphics card memory1.74 GB1.74 GB
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 installed11
Number of discrete graphics cards supported11
Maximum resolutionKnown for one3840 x 2160 pixels
Graphics card Open GL supportYesYes
Discrete graphics card memoryKnown for one2 GB
Discrete graphics memory typeKnown for oneGDDR3
On-board graphics card OpenGL versionKnown for one4.3
Audio1 differ
Audio systemDiffersHDDolby Advanced Audio v2
Number of built-in speakers22
Speaker powerKnown for one1 W
Built-in microphoneYesYes
Cameraidentical
Front cameraYesYes
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-FiYesYes
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
BluetoothYesYes
Bluetooth version4.04.0
WWANKnown for oneInstalled
Ports & interfaces4 differ
USB 2.0 ports quantity22
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers12
Ethernet LAN (RJ-45) ports11
HDMI ports quantityDiffers10
DisplayPorts quantity00
Mini DisplayPorts quantityKnown for one1
DVI portNoNo
VGA (D-Sub) ports quantity11
Thunderbolt ports quantity00
S/PDIF out portNoNo
Combo headphone/mic portYesYes
Docking connectorDiffersNoYes
ExpressCard slotNoNo
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotDiffersNoYes
USB Sleep-and-ChargeKnown for oneYes
USB Sleep-and-Charge portsKnown for one1
Headphone outputsKnown for one0
Microphone inKnown for oneNo
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
Windows keysYesYes
Full-size keyboardKnown for oneYes
Software1 differ
Operating system installedDiffersWindows 8.1Windows 7 Professional
Operating system architecture64-bit64-bit
Processor special features5 differ
Intel® Wireless Display (Intel® WiDi)YesYes
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyYesYes
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Identity Protection Technology version1.001.00
Intel Rapid Storage TechnologyDiffersYesNo
Intel Secure Key Technology version1.001.00
Intel TSX-NINoNo
Intel TSX-NI version0.000.00
Intel Trusted Execution TechnologyNoNo
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)NoNo
Intel® AES New Instructions (Intel® AES-NI)YesYes
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™YesYes
Intel® My WiFi Technology (Intel® MWT)DiffersNoYes
Intel® Quick Sync Video TechnologyYesYes
Intel® Secure KeyYesYes
Intel® Smart CacheYesYes
Intel® Turbo Boost Technology2.02.0
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
Supported instruction setsAVX 2.0, SSE4.1, SSE4.2AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorYesYes
Intel HD GraphicsKnown for oneYes
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
Battery2 differ
Battery technologyLithium-Ion (Li-Ion)Lithium-Ion (Li-Ion)
Number of battery cellsDiffers69
Battery capacityKnown for one99.9 Wh
Battery life (max)Differs7 h12.7 h
Power1 differ
AC adapter powerDiffers65 W135 W
DC-in jackYesYes
Securityidentical
Cable lock slotYesYes
Fingerprint readerKnown for oneYes
Trusted Platform Module (TPM)Known for oneYes
Password protectionYesYes
Password protection typeKnown for oneHDD, Power on, Supervisor
Cable lock slot typeKnown for oneKensington
Certificatesidentical
Compliance certificatesKnown for oneRoHS
CertificationKnown for oneGREENGUARD
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Gold, ENERGY STAR
Weight & dimensions5 differ
WeightDiffers2.5 kg2.31 kg
WidthDiffers381.6 mm335 mm
DepthDiffers256 mm229.1 mm
Height (front)Differs2.53 cm2.79 cm
Height (rear)Differs3.03 cm3 cm
Packaging contentidentical
AC adapter includedYesYes
Power cord includedYesYes
ManualKnown for oneYes
Warranty cardKnown 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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