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Product comparison · 2 laptops

Lenovo Edge 520 vs Lenovo T420s Win8 CH

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  • 126specifications compared
  • 42differ
  • 84identical
  • 39known 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 family
    • Intel® Core™ i5
    • Intel® Core™ i7
  • Processor generation
    • 2nd gen Intel® Core™ i5
    • 2nd gen Intel® Core™ i7
  • Processor model
    • i5-2450M
    • i7-2640M
  • Processor boost frequency
    • 3.1 GHz
    • 3.5 GHz
  • Processor frequency
    • 2.5 GHz
    • 2.8 GHz
  • Processor cache
    • 3 MB
    • 4 MB

Side by side

Differences highlightedShow differences only
165 specifications
A

Lenovo

Edge 520View product
B

Lenovo

T420s Win8 CHView product
Designidentical
Product colourKnown for oneBlack
Form factorKnown for oneClamshell
Display2 differ
Display diagonalDiffers39.6 cm (15.6")35.6 cm (14")
Display resolutionDiffers1366 x 768 pixels1600 x 900 pixels
TouchscreenKnown for oneNo
HD typeKnown for oneHD+
Display surfaceKnown for oneMatt
Processor10 differ
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffers2nd gen Intel® Core™ i52nd gen Intel® Core™ i7
Processor modelDiffersi5-2450Mi7-2640M
Processor boost frequencyDiffers3.1 GHz3.5 GHz
Processor frequencyDiffers2.5 GHz2.8 GHz
Processor cacheDiffers3 MB4 MB
L3 cacheKnown for one4 MB
L2 cacheKnown for one0.512 MB
Processor seriesDiffersIntel Core i5-2400 Mobile SeriesIntel Core i7-2600 Mobile Series
TjunctionDiffers100 °C100 C
PCI Express configurationsDiffers1x16, 2x8, 1x8+2x41x16, 2x8
CPU multiplier (bus/core ratio)Differs2528
Memory1 differ
Memory slotsKnown for one2x SO-DIMM
Maximum internal memoryDiffers8 GB16 GB
Storage4 differ
Total storage capacityDiffers500 GB160 GB
Storage mediaDiffersHDDSSD
SSD capacityKnown for one160 GB
SSD interfaceKnown for oneSATA II
Optical drive typeDiffersDVD-RWDVD±RW
Compatible memory cardsDiffersMemory Stick (MS), MMC, MS PRO, SD, SDHC, xDMMC, SD, SDHC, SDXC
HDD interfaceKnown for oneSATA
HDD speedKnown for one7200 RPM
Graphics3 differ
Discrete graphics cardDiffersNoYes
Discrete graphics card modelDiffersNot availableNVIDIA® NVS™ 4200M
Graphics card familyDiffersIntelIntel, NVIDIA
Discrete graphics memory typeKnown for oneGDDR3
Number of discrete graphics cardsKnown for one1
Audioidentical
Number of built-in speakersKnown for one2
Network1 differ
Mobile network connectionKnown for oneYes
Mobile network generationKnown for one3G
Wi-Fi standardsKnown for one802.11a, 802.11b, 802.11g
BluetoothDiffersNoYes
Bluetooth versionKnown for one3.0+HS
WWANKnown for oneInstalled
Cabling technologyKnown for one10/100/1000Base-T(X)
LAN controllerKnown for oneIntel® 82579LM
Ports & interfaces8 differ
USB 2.0 ports quantityDiffers42
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers01
eSATA/USB 2.0 ports quantityDiffers10
Ethernet LAN (RJ-45) portsKnown for one1
HDMI ports quantityDiffers10
DisplayPorts quantityDiffers01
Headphone outputsDiffers10
Microphone inDiffersYesNo
Docking connectorKnown for oneYes
ExpressCard slotDiffersYesNo
Modem (RJ-11) portsKnown for one0
TV-outKnown for oneNo
Performance1 differ
Motherboard chipsetDiffersIntel QM65Intel® QM67 Express
Keyboard1 differ
Pointing deviceKnown for oneTouchpad
Numeric keypadDiffersYesNo
Keyboard layoutKnown for oneQWERTZ
Keyboard languageKnown for oneGerman
Full-size keyboardKnown for oneYes
Software1 differ
Operating system installedDiffersWindows 7 ProfessionalWindows 8 Pro
Operating system architectureKnown for one64-bit
Processor special features5 differ
Intel Trusted Execution TechnologyDiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Processor ARK IDDiffers5345253464
Processor codeDiffersSR04ZSR03R
Processor package sizeDiffers37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Batteryidentical
Number of battery cellsKnown for one6
Battery capacityKnown for one44 Wh
Battery life (max)Known for one4.7 h
Poweridentical
AC adapter powerKnown for one90 W
Securityidentical
Fingerprint readerKnown for oneYes
Trusted Platform Module (TPM)Known for oneYes
Weight & dimensions5 differ
WeightDiffers2.36 kg1.75 kg
WidthDiffers375 mm343 mm
DepthDiffers245 mm231 mm
Height (front)Differs2.8 cm2.2 cm
Height (rear)Differs3.3 cm2.6 cm
Other featuresidentical
Internal modemKnown for oneNo
Cameraidentical
Front camera resolutionKnown for one1280 x 720 pixels

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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