All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 laptops

Lenovo ThinkPad E440 vs Lenovo X240 DOS CH

Add a product
  • 144specifications compared
  • 52differ
  • 92identical
  • 57known for one product only

Key differences

  • Display diagonal
    • 35.6 cm (14")
    • 31.8 cm (12.5")
  • Display resolution
    • 1366 x 768 pixels
    • 1920 x 1080 pixels
  • Touchscreen
    • Yes
    • No
  • Processor family
    • Intel® Core™ i3
    • Intel® Core™ i5
  • Processor generation
    • 4th gen Intel® Core™ i3
    • 4th gen Intel® Core™ i5
  • Processor model
    • i3-4000M
    • i5-4300U
  • Processor boost frequency
    • 3.2 GHz
    • 2.9 GHz
  • Processor frequency
    • 2.4 GHz
    • 1.9 GHz

Side by side

Differences highlightedShow differences only
201 specifications
A

Lenovo

ThinkPad E440View product
B

Lenovo

X240 DOS CHView product
Designidentical
Housing materialKnown for onePlastic
Market positioningKnown for oneBusiness
Display3 differ
Display diagonalDiffers35.6 cm (14")31.8 cm (12.5")
Display resolutionDiffers1366 x 768 pixels1920 x 1080 pixels
TouchscreenDiffersYesNo
HD typeKnown for oneFull HD
Display surfaceKnown for oneMatt
Touchscreen typeKnown for oneCapacitive
Touch technologyKnown for oneMulti-touch
Processor12 differ
Processor familyDiffersIntel® Core™ i3Intel® Core™ i5
Processor generationDiffers4th gen Intel® Core™ i34th gen Intel® Core™ i5
Processor modelDiffersi3-4000Mi5-4300U
Processor boost frequencyDiffers3.2 GHz2.9 GHz
Processor frequencyDiffers2.4 GHz1.9 GHz
Processor socketDiffersPGA946BGA 1168
Processor seriesDiffersIntel® Core™ i3-4000 Mobile SeriesIntel Core i5-4300 Mobile series
Bus typeDiffersDMIDMI2
SteppingDiffersC0D0
Thermal Design Power (TDP)Differs37 W15 W
Maximum number of PCI Express lanesDiffers1612
PCI Express configurationsDiffers1x16, 2x8, 1x8+2x44x1, 2x4
L3 cacheKnown for one3 MB
Memory4 differ
Internal memoryDiffers4 GB8 GB
Memory layout (slots x size)Differs1 x 4 GB1 x 8 GB
Memory slotsDiffers2x SO-DIMM1x SO-DIMM
Maximum internal memoryDiffers16 GB8 GB
Memory form factorKnown for oneSO-DIMM
Storage3 differ
Total storage capacityDiffers500 GB256 GB
Storage mediaDiffersHDDSSD
HDD sizeKnown for one2.5"
Number of SSDs installedKnown for one1
SSD capacityKnown for one256 GB
SSD interfaceKnown for oneSATA III
Optical drive typeDiffersDVD±RWNo
Number of HDDs installedKnown for one1
HDD capacityKnown for one500 GB
HDD interfaceKnown for oneSATA
HDD speedKnown for one7200 RPM
Graphics5 differ
On-board graphics card modelDiffersIntel® HD Graphics 4600Intel® HD Graphics 4400
Maximum on-board graphics card memoryDiffers2 GB1.74 GB
On-board graphics card base frequencyDiffers400 MHz200 MHz
On-board graphics card DirectX versionDiffers11.112
On-board graphics card IDDiffers0x4160xA16
Audio1 differ
Audio systemDiffersDolby Advanced Audio v2HD
Number of built-in speakersKnown for one2
Cameraidentical
Front camera resolutionKnown for one1280 x 720 pixels
Network1 differ
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)Wi-Fi 5 (802.11ac)
Near Field Communication (NFC)Known for oneYes
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers10
HDMI ports quantityDiffers10
Mini DisplayPorts quantityKnown for one1
Docking connectorDiffersNoYes
Total number of SATA connectorsKnown for one4
Number of SATA III connectorsKnown for one4
USB Sleep-and-ChargeKnown for oneYes
USB Sleep-and-Charge portsKnown for one1
Performance1 differ
Motherboard chipsetDiffersIntel® HM87Intel® QM87
Keyboardidentical
Keyboard backlitKnown for oneYes
Keyboard layoutKnown for oneQWERTZ
Spill-resistant keyboardKnown for oneYes
Full-size keyboardKnown for oneYes
Software1 differ
Operating system installedDiffersWindows 8.1 ProFreeDOS
Operating system architectureKnown for one64-bit
Processor special features11 differ
Embedded options availableDiffersNoYes
Intel Enhanced Halt StateDiffersNoYes
Intel ME Firmware VersionKnown for one9.5
Intel Rapid Storage TechnologyDiffersNoYes
Intel Small Business Advantage (SBA) versionKnown for one1.00
Intel Smart Connect TechnologyKnown for oneYes
Intel Smart Connect Technology versionKnown for one1.00
Intel Smart Response Technology versionKnown for one1.00
Intel Stable Image Platform Program (SIPP)Known for oneYes
Intel Stable Image Platform Program (SIPP) versionKnown for one1.00
Intel Trusted Execution TechnologyDiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Active Management Technology (Intel® AMT)Known for oneNo
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersNoYes
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® Smart Response TechnologyKnown for oneYes
Intel® Turbo Boost TechnologyDiffersNo2.0
Processor ARK IDDiffers7510476308
Processor codeDiffersSR1HCSR1ED
Processor package sizeDiffers37.5 x 37.5 x 4.7 mm40 x 24 x 1.5 mm
UARTKnown for oneYes
Battery3 differ
Battery technologyDiffersLithium-Ion (Li-Ion)Lithium Polymer (LiPo)
Number of battery cellsDiffers63+3
Battery capacityDiffers48 Wh47 Wh
Battery life (max)Known for one6 h
Power1 differ
AC adapter powerDiffers65 W45 W
AC adapter frequencyKnown for one50 - 60 Hz
AC adapter input voltageKnown for one100 - 240 V
Securityidentical
Fingerprint readerKnown for oneYes
Trusted Platform Module (TPM)Known for oneYes
Password protectionKnown for oneYes
Password protection typeKnown for oneHDD, Power on, Supervisor
Weight & dimensions3 differ
WeightDiffers2.43 kg1.42 kg
WidthDiffers344 mm305.5 mm
DepthDiffers239 mm208.5 mm
HeightKnown for one19.9 mm
Height (front)Known for one2.97 cm
Height (rear)Known for one3.23 cm
Packaging contentidentical
Power cord includedKnown for oneYes
Certificatesidentical
Compliance certificatesKnown for oneRoHS
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Gold, ENERGY STAR
Other featuresidentical
64-bit computingKnown for oneYes
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.

More laptop comparisons

All laptop comparisons