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Product comparison · 2 laptops

Lenovo W540 DOS CH vs Lenovo X240 Win7/Win8 CH

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  • 158specifications compared
  • 55differ
  • 103identical
  • 33known for one product only

Key differences

  • Product type
    • Mobile workstation
    • Laptop
  • Display diagonal
    • 39.6 cm (15.6")
    • 31.8 cm (12.5")
  • Display resolution
    • 2880 x 1620 pixels
    • 1920 x 1080 pixels
  • Processor family
    • Intel® Core™ i7
    • Intel® Core™ i5
  • Processor generation
    • 4th gen Intel® Core™ i7
    • 4th gen Intel® Core™ i5
  • Processor model
    • i7-4800MQ
    • i5-4300U
  • Processor cores
    • 4
    • 2
  • Processor threads
    • 8
    • 4

Side by side

Differences highlightedShow differences only
191 specifications
A

Lenovo

W540 DOS CHView product
B

Lenovo

X240 Win7/Win8 CHView product
Design1 differ
Product typeDiffersMobile workstationLaptop
Display2 differ
Display diagonalDiffers39.6 cm (15.6")31.8 cm (12.5")
Display resolutionDiffers2880 x 1620 pixels1920 x 1080 pixels
HD typeKnown for oneFull HD
Display surfaceKnown for oneMatt
Panel typeKnown for oneIPS
Display brightnessKnown for one300 cd/m²
Processor15 differ
Processor familyDiffersIntel® Core™ i7Intel® Core™ i5
Processor generationDiffers4th gen Intel® Core™ i74th gen Intel® Core™ i5
Processor modelDiffersi7-4800MQi5-4300U
Processor coresDiffers42
Processor threadsDiffers84
Processor boost frequencyDiffers3.7 GHz2.9 GHz
Processor frequencyDiffers2.7 GHz1.9 GHz
System bus rateKnown for one5 GT/s
Processor cacheDiffers6 MB3 MB
Processor socketDiffersPGA946BGA 1168
Processor seriesDiffersIntel Core i7-4800 Mobile seriesIntel Core i5-4300 Mobile series
SteppingDiffersC0D0
Thermal Design Power (TDP)Differs47 W15 W
Maximum number of PCI Express lanesDiffers1612
PCI Express configurationsDiffers1x16, 2x8, 1x8+2x44x1, 2x4
PCI Express slots versionDiffers3.02.0
Memory4 differ
Internal memoryDiffers16 GB8 GB
Memory layout (slots x size)Differs2 x 8 GB1 x 8 GB
Memory slotsDiffers4x SO-DIMM1x SO-DIMM
Maximum internal memoryDiffers32 GB8 GB
Storage3 differ
Total storage capacityDiffers512 GB256 GB
SSD capacityDiffers512 GB256 GB
Optical drive typeDiffersDVD Super Multi DLNo
Graphics7 differ
Discrete graphics cardDiffersYesNo
Discrete graphics card modelDiffersNVIDIA® Quadro® K2100MNot available
On-board graphics card modelDiffersIntel® HD Graphics 4600Intel® HD Graphics 4400
On-board graphics card base frequencyDiffers400 MHz200 MHz
On-board graphics card dynamic frequency (max)Differs1300 MHz1100 MHz
On-board graphics card DirectX versionDiffers11.112
On-board graphics card IDDiffers0x4160xA16
Discrete graphics card memoryKnown for one2 GB
Discrete graphics memory typeKnown for oneGDDR5
Number of discrete graphics cards installedKnown for one1
Audio1 differ
Audio systemDiffersDolby Home Theater v4HD
Number of built-in speakersKnown for one2
Network1 differ
Wi-Fi standardsDiffers802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)Wi-Fi 5 (802.11ac)
Near Field Communication (NFC)Known for oneYes
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers20
Mini DisplayPorts quantityKnown for one1
Thunderbolt ports quantityDiffers10
Total number of SATA connectorsKnown for one4
Number of SATA III connectorsKnown for one4
Keyboard1 differ
Keyboard backlitKnown for oneYes
Numeric keypadDiffersYesNo
Spill-resistant keyboardKnown for oneYes
Full-size keyboardKnown for oneYes
Software1 differ
Operating system installedDiffersFreeDOSWindows 7 Professional
Operating system architectureKnown for one64-bit
Recovery operating systemKnown for oneWindows 8 Pro
Processor special features10 differ
Embedded options availableDiffersNoYes
Intel FDI TechnologyDiffersYesNo
Intel ME Firmware VersionKnown for one9.5
Intel Rapid Storage TechnologyDiffersNoYes
Intel Small Business Advantage (SBA) versionKnown for one1.00
Intel Smart Connect TechnologyDiffersNoYes
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® High Definition Audio (Intel® HD Audio)DiffersNoYes
Intel® My WiFi Technology (Intel® MWT)DiffersYesNo
Intel® Small Business Advantage (Intel® SBA)Known for oneYes
Intel® Smart Response TechnologyDiffersNoYes
Processor ARK IDDiffers7512876308
Processor codeDiffersSR15LSR1ED
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 cellsDiffers93+3
Battery capacityDiffers99.9 Wh47 Wh
Battery life (max)Known for one6 h
Power1 differ
AC adapter powerDiffers170 W45 W
Securityidentical
Cable lock slot typeKnown for oneKensington
Weight & dimensions3 differ
WeightDiffers2.6 kg1.42 kg
WidthDiffers379 mm305.5 mm
DepthDiffers273 mm208.5 mm
HeightKnown for one19.9 mm
Height (front)Known for one2.8 cm
Height (rear)Known for one3.5 cm
Packaging contentidentical
Power cord includedKnown for oneYes
Other featuresidentical
Intel segment taggingKnown for oneProfessional

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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