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Product comparison · 2 laptops

Lenovo T420s + 45N6681 vs Lenovo X220 + ThinkPad Mini Dock Series 3

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  • 129specifications compared
  • 34differ
  • 95identical
  • 41known for one product only

Key differences

  • Display diagonal
    • 35.6 cm (14")
    • 31.8 cm (12.5")
  • Display resolution
    • 1600 x 900 pixels
    • 1366 x 768 pixels
  • Processor family
    • Intel® Core™ i7
    • Intel® Core™ i3
  • Processor generation
    • 2nd gen Intel® Core™ i7
    • 2nd gen Intel® Core™ i3
  • Processor model
    • i7-2620M
    • i3-2350M
  • Processor frequency
    • 2.7 GHz
    • 2.3 GHz
  • Processor cache
    • 4 MB
    • 3 MB
  • Processor socket
    • BGA 1023
    • Socket 988

Side by side

Differences highlightedShow differences only
170 specifications
A

Lenovo

T420s + 45N6681View product
B

Lenovo

X220 + ThinkPad Mini Dock Series 3View product
Display2 differ
Display diagonalDiffers35.6 cm (14")31.8 cm (12.5")
Display resolutionDiffers1600 x 900 pixels1366 x 768 pixels
HD typeKnown for oneHD+
Processor9 differ
Processor familyDiffersIntel® Core™ i7Intel® Core™ i3
Processor generationDiffers2nd gen Intel® Core™ i72nd gen Intel® Core™ i3
Processor modelDiffersi7-2620Mi3-2350M
Processor boost frequencyKnown for one3.4 GHz
Processor frequencyDiffers2.7 GHz2.3 GHz
Processor cacheDiffers4 MB3 MB
L3 cacheKnown for one3 MB
L2 cacheKnown for one4 MB
Processor socketDiffersBGA 1023Socket 988
Processor seriesDiffersIntel Core i7-2600 Mobile SeriesIntel Core i3-2300 Mobile Series
TjunctionDiffers100 °C85 °C
CPU multiplier (bus/core ratio)Differs2723
Memoryidentical
Memory slots (available)Known for one1
Storage3 differ
Total storage capacityDiffers160 GB320 GB
HDD capacityDiffers160 GB320 GB
Optical drive typeDiffersDVD-RWNo
HDD speedKnown for one5400 RPM
Compatible memory cardsKnown for oneSD
Graphics2 differ
Discrete graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneNVIDIA® Quadro® NVS 4200M
Graphics card familyDiffersNVIDIAIntel
Discrete graphics memory typeKnown for oneGDDR3
On-board graphics card dynamic frequency (max)Differs1300 MHz1150 MHz
Maximum graphics card memoryKnown for one1.024 GB
Maximum resolutionKnown for one1600 x 900 pixels
Audio2 differ
Audio systemDiffersHDHDA
Speaker powerDiffers1 W2 W
Built-in microphoneKnown for oneYes
Network2 differ
Networking featuresKnown for oneGigabit Ethernet
Wi-Fi standardsDiffers802.11a, 802.11g, Wi-Fi 4 (802.11n)802.11b, 802.11g, Wi-Fi 4 (802.11n)
BluetoothDiffersYesNo
Bluetooth versionKnown for one3.0+HS
Cabling technologyKnown for one10/100/1000Base-T(X)
Wireless technologyKnown for oneWi-Fi
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers23
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one1
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
Firewire (IEEE 1394) portsKnown for one0
ExpressCard slotKnown for oneYes
SmartCard slotKnown for oneNo
Performanceidentical
Motherboard chipsetKnown for oneIntel® QM67 Express
Keyboard1 differ
Pointing deviceDiffersTouchpadTrackpad
Full-size keyboardKnown for oneNo
Numeric keypadKnown for oneNo
Windows keysKnown for oneYes
Processor special features6 differ
Intel Trusted Execution TechnologyDiffersYesNo
Intel Virtualization Technology for Directed I/O (VT-d)DiffersYesNo
Intel® AES New Instructions (Intel® AES-NI)DiffersYesNo
Intel® Turbo Boost TechnologyDiffers2.0No
Processor ARK IDDiffers5223153438
Processor codeDiffersSR041SR0DN
Intel® Smart CacheKnown for oneYes
Batteryidentical
Battery technologyKnown for oneLithium-Ion (Li-Ion)
Poweridentical
AC adapter frequencyKnown for one50 - 60 Hz
AC adapter input voltageKnown for one100 - 240 V
Security1 differ
Cable lock slotDiffersNoYes
Cable lock slot typeKnown for oneKensington
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Weight & dimensions5 differ
WeightDiffers1.67 kg1.3 kg
WidthDiffers343 mm305 mm
DepthDiffers230.1 mm206.5 mm
Height (front)Differs2.12 cm1.9 cm
Height (rear)Differs2.6 cm3.46 cm
Other featuresidentical
Video inKnown for one0
Intel segment taggingKnown for oneHome office, Small Business
Power supply typeKnown for oneAC/DC
Optical driveidentical
LightScribeKnown for oneNo
Packaging contentidentical
AC adapter includedKnown 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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