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Product comparison · 2 laptops

Lenovo ThinkPad Edge E540 Intel® Core™ i7 i7-4702MQ Laptop vs Lenovo ThinkPad T440p Intel® Core™ i5 i5-4200M Laptop

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  • 157specifications compared
  • 41differ
  • 116identical
  • 31known for one product only

Key differences

  • Display diagonal
    • 39.6 cm (15.6")
    • 35.6 cm (14")
  • Display resolution
    • 1920 x 1080 pixels
    • 1366 x 768 pixels
  • HD type
    • Full HD
    • Not supported
  • Display brightness
    • 300 cd/m²
    • 200 cd/m²
  • Processor family
    • Intel® Core™ i7
    • Intel® Core™ i5
  • Processor generation
    • 4th gen Intel® Core™ i7
    • 4th gen Intel® Core™ i5
  • Processor model
    • i7-4702MQ
    • i5-4200M
  • Processor cores
    • 4
    • 2

Side by side

Differences highlightedShow differences only
188 specifications
A

Lenovo

ThinkPad Edge E540 Intel® Core™ i7 i7-4702MQ Laptop

Model E540

View product
B

Lenovo

ThinkPad T440p Intel® Core™ i5 i5-4200M Laptop

Model T440p

View product
Display4 differ
Display diagonalDiffers39.6 cm (15.6")35.6 cm (14")
Display resolutionDiffers1920 x 1080 pixels1366 x 768 pixels
HD typeDiffersFull HDNot supported
Display surfaceKnown for oneMatt
Display brightnessDiffers300 cd/m²200 cd/m²
Contrast ratio (typical)Known for one300:1
Processor10 differ
Processor familyDiffersIntel® Core™ i7Intel® Core™ i5
Processor generationDiffers4th gen Intel® Core™ i74th gen Intel® Core™ i5
Processor modelDiffersi7-4702MQi5-4200M
Processor coresDiffers42
Processor threadsDiffers84
Processor boost frequencyDiffers3.2 GHz3.1 GHz
Processor frequencyDiffers2.2 GHz2.5 GHz
System bus rateKnown for one5 GT/s
Processor cacheDiffers6 MB3 MB
Processor seriesDiffersIntel Core i7-4700 Mobile seriesIntel Core i5-4200 Mobile series
Bus typeDiffersDMI2DMI
Memory2 differ
Internal memoryDiffers8 GB4 GB
Memory clock speedDiffers1600 MHz1066 MHz
Memory layout (slots x size)Known for one1 x 4 GB
Maximum internal memory (64-bit)Known for one16 GB
Storage4 differ
Total storage capacityDiffers1 TB500 GB
Storage mediaDiffersHDD+SSDHDD
HDD capacityDiffers1 TB500 GB
HDD interfaceKnown for oneSATA III
HDD speedDiffers5400 RPM7200 RPM
HDD sizeKnown for one2.5"
Number of SSDs installedKnown for one1
SSD capacityKnown for one16 GB
SSD interfaceKnown for onemSATA
Graphics2 differ
Discrete graphics cardDiffersYesNo
Discrete graphics card modelDiffersNVIDIA® GeForce® GT 740MNot available
Discrete graphics card memoryKnown for one2 GB
Number of discrete graphics cards installedKnown for one1
Audio1 differ
Audio systemDiffersDolby Advanced AudioDolby Advanced Audio v2
Cameraidentical
Front camera resolutionKnown for one1280 x 720 pixels
Network2 differ
Top Wi-Fi standardDiffersWi-Fi 4 (802.11n)Wi-Fi 5 (802.11ac)
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)
Wi-Fi data rate (max)Known for one300 Mbit/s
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers12
HDMI ports quantityDiffers10
Mini DisplayPorts quantityKnown for one1
Performance1 differ
Motherboard chipsetDiffersIntel® HM87Intel® QM87
Keyboard1 differ
Keyboard backlitKnown for oneYes
Numeric keypadDiffersYesNo
Full-size keyboardKnown for oneYes
Softwareidentical
Recovery operating systemKnown for oneWindows 8.1 Pro
Processor special features6 differ
Intel Enhanced Halt StateDiffersYesNo
Intel FDI TechnologyDiffersYesNo
Intel® My WiFi Technology (Intel® MWT)DiffersYesNo
Processor ARK IDDiffers7511976348
Processor codeDiffersSR15JSR1HA
Processor package sizeDiffers37.5 x 32 x 1.6 mm37.5 x 37.5 x 4.7 mm
Battery1 differ
Battery capacityDiffers48 Wh56 Wh
Battery life (max)Known for one6 h
Power1 differ
AC adapter powerDiffers90 W65 W
AC adapter frequencyKnown for one50 - 60 Hz
AC adapter input voltageKnown for one100 - 240 V
Security1 differ
Cable lock slotDiffersYesNo
Password protectionKnown 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
WeightDiffers2.44 kg2.14 kg
WidthDiffers377 mm335 mm
DepthDiffers250 mm229.1 mm
Height (front)Known for one2.79 cm
Height (rear)Known for one3 cm
HeightKnown for one26.6 mm
Packaging contentidentical
Power cord includedKnown for oneYes
Quick start guideKnown for oneYes

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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