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 L520 + 45N6681 vs Lenovo T420s + 45N6681

Add a product
  • 124specifications compared
  • 37differ
  • 87identical
  • 41known 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
    • i5-2410M
    • i7-2620M
  • Processor boost frequency
    • 2.9 GHz
    • 3.4 GHz
  • Processor frequency
    • 2.3 GHz
    • 2.7 GHz
  • Processor cache
    • 3 MB
    • 4 MB

Side by side

Differences highlightedShow differences only
165 specifications
A

Lenovo

L520 + 45N6681View product
B

Lenovo

T420s + 45N6681View 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
HD typeKnown for oneHD+
Display brightnessKnown for one220 cd/m²
Contrast ratio (typical)Known for one500:1
Processor9 differ
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffers2nd gen Intel® Core™ i52nd gen Intel® Core™ i7
Processor modelDiffersi5-2410Mi7-2620M
Processor boost frequencyDiffers2.9 GHz3.4 GHz
Processor frequencyDiffers2.3 GHz2.7 GHz
Processor cacheDiffers3 MB4 MB
L3 cacheKnown for one3 MB
L2 cacheKnown for one4 MB
Processor seriesDiffersIntel Core i5-2400 Mobile SeriesIntel Core i7-2600 Mobile Series
PCI Express configurationsDiffers1x8, 1x16, 2x4, 2x81x16, 2x8, 1x8+2x4
CPU multiplier (bus/core ratio)Differs2327
Storage2 differ
Total storage capacityDiffers320 GB160 GB
HDD capacityKnown for one160 GB
Optical drive typeDiffersDVD±RWDVD-RW
HDD speedKnown for one5400 RPM
Compatible memory cardsKnown for oneMMC, SD, SDHC, SDXC
Graphics4 differ
Discrete graphics cardDiffersNoYes
Discrete graphics card modelDiffersNot availableNVIDIA® Quadro® NVS 4200M
Graphics card familyDiffersIntelNVIDIA
Discrete graphics memory typeKnown for oneGDDR3
On-board graphics card dynamic frequency (max)Differs1200 MHz1300 MHz
Maximum graphics card memoryKnown for one1.024 GB
Maximum resolutionKnown for one1600 x 900 pixels
Audio2 differ
Audio systemDiffersHigh Definition AudioHD
Speaker powerDiffers1.5 W1 W
Built-in microphoneKnown for oneYes
Network1 differ
Networking featuresKnown for oneGigabit Ethernet
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, 802.11g, Wi-Fi 4 (802.11n)
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers32
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one1
eSATA/USB 2.0 ports quantityDiffers10
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one0
eSATA ports quantityKnown for one0
HDMI ports quantityKnown for one0
Thunderbolt ports quantityKnown for one0
Docking connectorDiffersYesNo
Modem (RJ-11) portsKnown for one0
TV-in portKnown for oneNo
PS/2 ports quantityKnown for one0
Parallel ports quantityKnown for one0
Serial ports quantityKnown for one0
ExpressCard slotKnown for oneYes
SmartCard slotKnown for oneYes
Performance1 differ
Motherboard chipsetDiffersIntel® HM65 ExpressIntel® QM67 Express
Keyboard1 differ
Pointing deviceDiffersThinkPad UltraNavTouchpad
Full-size keyboardKnown for oneNo
Numeric keypadKnown for oneNo
Keyboard layoutKnown for oneQWERTY
Processor special features6 differ
CPU configuration (max)Known for one1
Intel Trusted Execution TechnologyDiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Insider™DiffersNoYes
Processor ARK IDDiffers5222452231
Processor codeKnown for oneSR041
Processor package sizeDiffers37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Intel® Smart CacheKnown for oneYes
Batteryidentical
Battery technologyKnown for oneLithium-Ion (Li-Ion)
Battery life (max)Known for one6.6 h
Poweridentical
AC adapter powerKnown for one90 W
Security1 differ
Cable lock slotDiffersYesNo
Cable lock slot typeKnown for oneIBM
Certificatesidentical
Wi-Fi certifiedKnown for oneYes
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Weight & dimensions5 differ
WeightDiffers2.61 kg1.67 kg
WidthDiffers380 mm343 mm
DepthDiffers247 mm230.1 mm
Height (front)Differs3.2 cm2.12 cm
Height (rear)Differs3.6 cm2.6 cm
Other featuresidentical
Video inKnown for one0
Supplied AC adapter typeKnown for oneAC

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