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Product comparison · 2 laptops

Lenovo IdeaPad U400 Intel® Core™ i5 i5-2430M vs Lenovo ThinkPad X220t Intel® Core™ i5 i5-2520M Hybrid (2-in-1)

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  • 139specifications compared
  • 44differ
  • 95identical
  • 42known for one product only

Key differences

  • Product colour
    • Grey, Silver
    • Black
  • Display diagonal
    • 35.6 cm (14")
    • 31.8 cm (12.5")
  • Processor model
    • i5-2430M
    • i5-2520M
  • Processor boost frequency
    • 3 GHz
    • 3.2 GHz
  • Processor frequency
    • 2.4 GHz
    • 2.5 GHz
  • CPU multiplier (bus/core ratio)
    • 24
    • 25
  • Internal memory
    • 8 GB
    • 4 GB
  • Total storage capacity
    • 750 GB
    • 320 GB

Side by side

Differences highlightedShow differences only
181 specifications
A

Lenovo

IdeaPad U400 Intel® Core™ i5 i5-2430M

Model U400

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B

Lenovo

ThinkPad X220t Intel® Core™ i5 i5-2520M Hybrid (2-in-1)

Model X220t

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Design1 differ
Product typeKnown for oneHybrid (2-in-1)
Product colourDiffersGrey, SilverBlack
Form factorKnown for oneConvertible (Swivel)
Display1 differ
Display diagonalDiffers35.6 cm (14")31.8 cm (12.5")
TouchscreenKnown for oneYes
HD typeKnown for oneHD
Display surfaceKnown for oneGloss
Display brightnessKnown for one200 cd/m²
Contrast ratio (typical)Known for one500:1
Processor5 differ
Processor modelDiffersi5-2430Mi5-2520M
Processor boost frequencyDiffers3 GHz3.2 GHz
Processor frequencyDiffers2.4 GHz2.5 GHz
Processor seriesDiffersIntel Core i5-2400 Mobile SeriesIntel Core i5-2500 Mobile Series
CPU multiplier (bus/core ratio)Differs2425
Memory1 differ
Internal memoryDiffers8 GB4 GB
Storage6 differ
Total storage capacityDiffers750 GB320 GB
HDD capacityDiffers750 GB320 GB
HDD interfaceDiffersSATA IISATA
HDD speedDiffers5400 RPM7200 RPM
Optical drive typeDiffersDVD Super Multi DLNo
Card reader integratedDiffersNoYes
Compatible memory cardsKnown for oneMMC, SD, SDHC, SDXC
Graphics4 differ
Discrete graphics cardDiffersYesNo
Discrete graphics card modelDiffersAMD Radeon HD 6470MNot available
Graphics card familyDiffersAMD, IntelIntel
On-board graphics card dynamic frequency (max)Differs1200 MHz1300 MHz
Number of discrete graphics cardsKnown for one1
Audio2 differ
Audio systemDiffersHDHDA
Built-in speaker(s)Known for oneYes
Speaker powerDiffers2 W1 W
Cameraidentical
Front camera resolutionKnown for one1280 x 720 pixels
Optical driveidentical
LightScribeKnown for oneNo
Network1 differ
Networking featuresDiffersGigabit EthernetGigabit Ethernet, WLAN, BT
Top Wi-Fi standardKnown for oneWi-Fi 4 (802.11n)
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
LAN controllerKnown for oneIntel® 82579V
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers23
DisplayPorts quantityDiffers01
VGA (D-Sub) ports quantityDiffers01
Combo headphone/mic portKnown for oneNo
Microphone inDiffersNoYes
ExpressCard slotDiffersNoYes
Headphone connectivityKnown for one3.5 mm
Microphone connectivityKnown for one3.5 mm
S-Video portKnown for oneNo
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one0
eSATA/USB 2.0 ports quantityKnown for one0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one0
eSATA ports quantityKnown for one0
HDMI ports quantityKnown for one1
Firewire (IEEE 1394) portsKnown for one0
Thunderbolt ports quantityKnown for one0
CardBus PCMCIA slots quantityKnown for one0
Modem (RJ-11) portsKnown for one0
Performance1 differ
Motherboard chipsetDiffersIntel® HM65 ExpressIntel® QM67 Express
Keyboard1 differ
Full-size keyboardDiffersYesNo
Software1 differ
Operating system installedDiffersWindows 7 Home PremiumWindows 7 Professional
Processor special features5 differ
Intel Trusted Execution TechnologyDiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Processor ARK IDDiffers5345052229
Processor codeDiffersSR04WSR048
Processor package sizeDiffers37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Battery3 differ
Battery technologyDiffersLithium Polymer (LiPo)Lithium-Ion (Li-Ion)
Number of battery cellsKnown for one6
Battery capacityDiffers54 Wh66 Wh
Battery life (max)Differs7 h8.8 h
Poweridentical
AC adapter frequencyKnown for one50 - 60 Hz
Power auto-sensingKnown for oneYes
Security2 differ
Cable lock slotDiffersNoYes
Cable lock slot typeKnown for oneKensington
Fingerprint readerDiffersNoYes
Weight & dimensions5 differ
WeightDiffers1.98 kg1.8 kg
WidthDiffers340 mm305 mm
DepthDiffers230 mm228.7 mm
Height (front)Known for one2.7 cm
Height (rear)Known for one3.13 cm
Width (imperial)Differs34 cm (13.4")30.5 cm (12")
Depth (imperial)Differs23.1 cm (9.1")22.9 cm (9")
Height (front) (imperial)Known for one2.79 cm (1.1")
Height (rear) (imperial)Known for one3.12 cm (1.23")
HeightKnown for one22.6 mm
Height (imperial)Known for one2.26 cm (0.89")
Other featuresidentical
Power supply typeKnown for oneAC/DC
Internal modemKnown for oneNo
Certificatesidentical
Compliance certificatesKnown for oneRoHS
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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