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Product comparison · 2 laptops

Acer Aspire 572-74508G1TDnkk Intel® Core™ i7 i7-4500U Laptop vs Lenovo ThinkPad E440 Intel® Core™ i3 i3-4000M Laptop

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  • 115specifications compared
  • 44differ
  • 71identical
  • 75known for one product only

Key differences

  • Display diagonal
    • 39.6 cm (15.6")
    • 35.6 cm (14")
  • Processor family
    • Intel® Core™ i7
    • Intel® Core™ i3
  • Processor generation
    • 4th gen Intel® Core™ i7
    • 4th gen Intel® Core™ i3
  • Processor model
    • i7-4500U
    • i3-4000M
  • Processor frequency
    • 1.8 GHz
    • 2.4 GHz
  • Processor cache
    • 4 MB
    • 3 MB
  • Processor socket
    • BGA 1168
    • PGA946
  • Bus type
    • DMI2
    • DMI

Side by side

Differences highlightedShow differences only
190 specifications
A

Acer

Aspire 572-74508G1TDnkk Intel® Core™ i7 i7-4500U Laptop

Model 572-74508G1TDnkk

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B

Lenovo

ThinkPad E440 Intel® Core™ i3 i3-4000M Laptop

Model E440

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Designidentical
Housing materialKnown for oneAcrylonitrile butadiene styrene (ABS), Plastic
Market positioningKnown for oneBusiness
Display1 differ
Display diagonalDiffers39.6 cm (15.6")35.6 cm (14")
HD typeKnown for oneHD
Display surfaceKnown for oneMatt
Display brightnessKnown for one200 cd/m²
Processor11 differ
Processor familyDiffersIntel® Core™ i7Intel® Core™ i3
Processor generationDiffers4th gen Intel® Core™ i74th gen Intel® Core™ i3
Processor modelDiffersi7-4500Ui3-4000M
Processor frequencyDiffers1.8 GHz2.4 GHz
System bus rateKnown for one5 GT/s
Processor cacheDiffers4 MB3 MB
Processor socketDiffersBGA 1168PGA946
Processor seriesDiffersIntel Core i7-4500 Mobile seriesIntel® Core™ i3-4000 Mobile Series
Bus typeDiffersDMI2DMI
Thermal Design Power (TDP)Differs15 W37 W
Maximum number of PCI Express lanesDiffers1216
PCI Express configurationsDiffers2x41x16, 2x8, 1x8+2x4
Processor boost frequencyKnown for one3 GHz
FSB ParityKnown for oneNo
Memory3 differ
Internal memoryDiffers8 GB4 GB
Internal memory typeDiffersDDR3-SDRAMDDR3L-SDRAM
Memory clock speedKnown for one1600 MHz
Memory form factorKnown for oneSO-DIMM
Memory layout (slots x size)Known for one1 x 4 GB
Maximum internal memoryDiffers8 GB16 GB
Maximum internal memory (64-bit)Known for one16 GB
Storage5 differ
Total storage capacityDiffers1 TB500 GB
HDD capacityDiffers1 TB500 GB
HDD interfaceDiffersSATASATA II
HDD speedKnown for one7200 RPM
HDD sizeKnown for one2.5"
Optical drive typeDiffersNoDVD±RW
Compatible memory cardsDiffersSDMMC, SD, SDHC, SDXC
Graphics5 differ
On-board graphics card modelDiffersIntel® HD Graphics 4400Intel® HD Graphics 4600
Maximum on-board graphics card memoryDiffers1.74 GB2 GB
On-board graphics card base frequencyDiffers200 MHz400 MHz
On-board graphics card DirectX versionDiffers1211.1
On-board graphics card IDDiffers0xA160x416
Audioidentical
Audio systemKnown for oneHD
Cameraidentical
Front camera resolution (numeric)Known for one1 MP
Front camera HD typeKnown for oneHD
Front camera resolutionKnown for one1280 x 720 pixels
Front camera signal formatKnown for one720p
Network1 differ
BluetoothDiffersNoYes
Bluetooth versionKnown for one4.0
Top Wi-Fi standardKnown for oneWi-Fi 4 (802.11n)
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers21
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers12
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one0
Thunderbolt 3 ports quantityKnown for one0
Docking connectorDiffersNoYes
eSATA/USB 2.0 ports quantityKnown for one0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one0
eSATA ports quantityKnown for one0
DVI portKnown for oneNo
Firewire (IEEE 1394) portsKnown for one0
Thunderbolt ports quantityKnown for one0
Headphone outputsKnown for one0
S/PDIF out portKnown for oneNo
Microphone inKnown for oneNo
ExpressCard slotKnown for oneNo
CardBus PCMCIA slots quantityKnown for one0
CardBus PCMCIA slot typeKnown for oneNo
SmartCard slotKnown for oneNo
Total number of SATA connectorsKnown for one4
Number of SATA III connectorsKnown for one4
Performanceidentical
Motherboard chipsetKnown for oneIntel® HM87
Keyboard1 differ
Keyboard backlitKnown for oneYes
Numeric keypadDiffersYesNo
Spill-resistant keyboardKnown for oneYes
Windows keysKnown for oneYes
Keyboard layoutKnown for oneQWERTY
Software1 differ
Operating system installedDiffersWindows 8.1Windows 7 Professional
Recovery operating systemKnown for oneWindows 8 Pro
Processor special features5 differ
Intel® AES New Instructions (Intel® AES-NI)DiffersYesNo
Intel® Smart CacheKnown for oneYes
Intel® Turbo Boost TechnologyDiffers2.0No
Processor ARK IDDiffers7546075104
Processor codeDiffersSR16ZSR1HC
Processor package sizeDiffers40 x 24 x 1.5 mm37.5 x 37.5 x 4.7 mm
Intel Clear Video TechnologyKnown for oneNo
Intel Demand Based SwitchingKnown for oneNo
Intel Dual Display Capable TechnologyKnown for oneNo
Intel Enhanced Halt StateKnown for oneYes
Intel FDI TechnologyKnown for oneYes
Intel Fast Memory AccessKnown for oneNo
Intel Flex Memory AccessKnown for oneNo
Intel ME Firmware VersionKnown for one9.5
Intel Rapid Storage TechnologyKnown for oneYes
Intel Smart Connect TechnologyKnown for oneYes
Intel Smart Connect Technology versionKnown for one1.00
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneNo
Intel® High Definition Audio (Intel® HD Audio)Known for oneYes
Intel® Matrix Storage Technology (Intel® MST)Known for oneYes
Intel® My WiFi Technology (Intel® MWT)Known for oneYes
Battery2 differ
Number of battery cellsDiffers46
Battery capacityKnown for one48 Wh
Battery life (max)Differs4.5 h6.3 h
Poweridentical
AC adapter frequencyKnown for one50 - 60 Hz
AC adapter input voltageKnown for one100 - 240 V
Security1 differ
Fingerprint readerKnown for oneYes
Trusted Platform Module (TPM)Known for oneYes
Password protectionKnown for oneYes
Password protection typeDiffersBIOS, HDD, SupervisorHDD, Power on, Supervisor
Certificatesidentical
Compliance certificatesKnown for oneRoHS
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Gold, ENERGY STAR
Weight & dimensions5 differ
WeightDiffers2.35 kg2.43 kg
WidthDiffers381.6 mm344 mm
DepthDiffers256 mm239 mm
Height (front)Differs1.21 cm2.97 cm
Height (rear)Differs2.53 cm3.23 cm
Packaging contentidentical
ManualKnown for oneYes
Power cord includedKnown for oneYes
Cables includedKnown for oneAC
Other featuresidentical
Intel segment taggingKnown for oneSmall 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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