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 L512 + Mini Dock vs Lenovo ThinkPad T420 Intel® Core™ i7 i7-2620M

Add a product
  • 122specifications compared
  • 46differ
  • 76identical
  • 44known 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™ i3
    • Intel® Core™ i7
  • Processor generation
    • Intel® Core™ i3
    • 2nd gen Intel® Core™ i7
  • Processor model
    • i3-380M
    • i7-2620M
  • Processor frequency
    • 2.53 GHz
    • 2.7 GHz
  • System bus rate
    • 2.5 GT/s
    • 5 GT/s
  • Processor cache
    • 3 MB
    • 4 MB

Side by side

Differences highlightedShow differences only
166 specifications
A

Lenovo

L512 + Mini DockView product
B

Lenovo

ThinkPad T420 Intel® Core™ i7 i7-2620M

Model T420

View product
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 one230 cd/m²
LED backlightKnown for oneYes
Processor12 differ
Processor familyDiffersIntel® Core™ i3Intel® Core™ i7
Processor generationDiffersIntel® Core™ i32nd gen Intel® Core™ i7
Processor modelDiffersi3-380Mi7-2620M
Processor boost frequencyKnown for one3.4 GHz
Processor frequencyDiffers2.53 GHz2.7 GHz
System bus rateDiffers2.5 GT/s5 GT/s
Processor cacheDiffers3 MB4 MB
L3 cacheKnown for one4 MB
L2 cacheKnown for one4 MB
Processor socketDiffersPGA988BGA 1023
Processor seriesDiffersIntel Core i3-300 Mobile SeriesIntel Core i7-2600 Mobile Series
Processor codenameDiffersArrandaleSandy Bridge
SteppingKnown for oneJ1
TjunctionDiffers90 °C100 °C
PCI Express configurationsDiffers1x161x16, 2x8, 1x8+2x4
CPU multiplier (bus/core ratio)Differs1927
Number of Processing Die TransistorsKnown for one382 M
Processing Die sizeKnown for one81 mm²
Memory1 differ
Internal memoryDiffers2 GB4 GB
Memory slotsKnown for one2x SO-DIMM
Internal memory typeKnown for oneDDR3-SDRAM
Storage1 differ
Total storage capacityDiffers320 GB500 GB
HDD capacityKnown for one500 GB
Number of HDDs installedKnown for one1
Graphics3 differ
On-board graphics card modelDiffersIntel® HD GraphicsIntel® HD Graphics 3000
On-board graphics card base frequencyDiffers500 MHz650 MHz
On-board graphics card dynamic frequency (max)Differs667 MHz1300 MHz
On-board graphics card IDKnown for one0x116
Maximum resolutionKnown for one2048 x 1536 pixels
Discrete graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneIntel HD
Graphics card familyKnown for oneIntel
Audioidentical
Speaker powerKnown for one1 W
Audio includedKnown for oneMute Button, Speakers (integrated)
Networkidentical
Integrated 4G WiMAXKnown for oneYes
Bluetooth versionKnown for one2.1+EDR
WWANKnown for oneInstalled
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers42
eSATA/USB 2.0 ports quantityDiffers01
eSATA ports quantityDiffers10
Docking connectorDiffersYesNo
Modem (RJ-11) portsKnown for one0
TV-in portKnown for oneNo
Performance1 differ
Motherboard chipsetDiffersIntel® HM55 ExpressIntel® QM67 Express
Keyboardidentical
Keyboard typeKnown for one7-row with Trackpoint
Processor special features16 differ
Intel® Wireless Display (Intel® WiDi)DiffersNoYes
Graphics & IMC lithographyDiffers45 nm32 nm
Intel Clear Video TechnologyDiffersYesNo
Intel Identity Protection Technology 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® Anti-Theft Technology (Intel® AT)DiffersNoYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)DiffersYesNo
Intel® Identity Protection Technology (Intel® IPT)Known for oneYes
Intel® InTru™ 3D TechnologyDiffersNoYes
Intel® Insider™DiffersNoYes
Intel® My WiFi Technology (Intel® MWT)DiffersNoYes
Intel® Quick Sync Video TechnologyDiffersNoYes
Intel® Turbo Boost TechnologyDiffersNo2.0
Processor ARK IDDiffers5017852231
Processor codeKnown for oneSR041
Processor package sizeDiffersrPGA 37.5x 37.5, BGA 34x2837.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction setsDiffersSSE4.1/4.2AVX
Physical Address Extension (PAE)Known for one36 bit
Batteryidentical
Battery life (max)Known for one9 h
Number of battery cellsKnown for one6
Poweridentical
AC adapter powerKnown for one65 W
Security1 differ
Cable lock slotDiffersYesNo
Cable lock slot typeKnown for oneKensington
Fingerprint readerKnown for oneYes
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Weight & dimensions5 differ
WeightDiffers2.61 kg2.24 kg
WidthDiffers380 mm340 mm
DepthDiffers247 mm229.8 mm
HeightKnown for one21.2 mm
Height (front)Differs3.2 cm2.99 cm
Height (rear)Differs3.6 cm3.04 cm
Hard driveidentical
Storage drive typeKnown for one500GB SATA/ 7200
Other featuresidentical
Security featuresKnown for oneClient Security Solution, Hard disk drive password, Power-on password, Security lock slot, Supervisor password Fingerprint Reader
Battery typeKnown for one6 Cell Lithium-Ion
Modem speedKnown for one56 Kbit/s
Modem typeKnown for one56K V.92
Manageability featuresKnown for oneClient Security Solution, ThinkVantage Access Connections, ThinkVantage Active Protection System, ThinkVantage Rescue and Recovery
Drive baysKnown for oneUltrabay Enhanced

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