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Product comparison · 2 tablets

Lenovo IdeaPad K1 NVIDIA Tegra vs Lenovo ThinkPad X220 Intel® Core™ i5

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  • 39specifications compared
  • 24differ
  • 15identical
  • 95known for one product only

Key differences

  • Display diagonal
    • 25.6 cm (10.1")
    • 31.8 cm (12.5")
  • Display resolution
    • 1280 x 800 pixels
    • 1366 x 768 pixels
  • Native aspect ratio
    • 16:10
    • 16:9
  • Processor family
    • NVIDIA Tegra
    • Intel® Core™ i5
  • Processor frequency
    • 1 GHz
    • 2.5 GHz
  • Internal memory
    • 1 GB
    • 4 GB
  • Maximum internal memory
    • 1 GB
    • 8 GB
  • Internal storage capacity
    • 32 GB
    • 160 GB

Side by side

Differences highlightedShow differences only
134 specifications
A

Lenovo

IdeaPad K1 NVIDIA Tegra

Model K1

View product
B

Lenovo

ThinkPad X220 Intel® Core™ i5

Model X220

View product
Display3 differ
Display diagonalDiffers25.6 cm (10.1")31.8 cm (12.5")
Display resolutionDiffers1280 x 800 pixels1366 x 768 pixels
LED backlightYesYes
Display brightnessKnown for one300 cd/m²
Touch technologyMulti-touchMulti-touch
Native aspect ratioDiffers16:1016:9
Processor2 differ
Processor manufacturerKnown for oneIntel
Processor familyDiffersNVIDIA TegraIntel® Core™ i5
Processor generationKnown for one2nd gen Intel® Core™ i5
Processor modelKnown for onei5-2520M
Processor coresKnown for one2
Processor threadsKnown for one4
Processor boost frequencyKnown for one3.2 GHz
Processor frequencyDiffers1 GHz2.5 GHz
Processor cacheKnown for one3 MB
Processor cache typeKnown for oneSmart Cache
Motherboard chipsetKnown for oneIntel QM67
Bus typeKnown for oneDMI
CPU multiplier (bus/core ratio)Known for one25
Conflict-Free processorKnown for oneNo
Graphics & IMC lithographyKnown for one32 nm
Integrated 4G WiMAXKnown for oneYes
PCI Express configurationsKnown for one1x16, 2x8, 1x8+2x4
Processor codeKnown for oneSR048
Processor codenameKnown for oneSandy Bridge
Processor lithographyKnown for one32 nm
Processor operating modesKnown for one64-bit
Processor package sizeKnown for one37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
SteppingKnown for oneJ1
Supported instruction setsKnown for oneAVX
System bus rateKnown for one5 GT/s
Thermal Design Power (TDP)Known for one35 W
Thermal Monitoring TechnologiesKnown for oneYes
TjunctionKnown for one100 °C
Memory2 differ
Internal memoryDiffers1 GB4 GB
Internal memory typeKnown for oneDDR3-SDRAM
Maximum internal memoryDiffers1 GB8 GB
Memory clock speedKnown for one1333 MHz
Storage1 differ
Internal storage capacityDiffers32 GB160 GB
Storage mediaSSDSSD
Card reader integratedYesYes
Compatible memory cardsKnown for oneMMC, SD, SDHC, SDXC
Graphics2 differ
Graphics card familyDiffersNVIDIAIntel
Graphics cardDiffersGeForce GraphicsHD Graphics 3000
Audioidentical
Built-in microphoneYesYes
Number of built-in speakers22
Built-in speaker(s)Known for oneYes
Camera1 differ
Built-in cameraYesYes
Video recordingKnown for oneNo
Second cameraDiffersYesNo
Main camera resolution (numeric)Known for one2 MP
Second camera resolutionKnown for one5 MP
Networkidentical
BluetoothYesYes
Bluetooth versionKnown for one3.0+HS
Data networkKnown for oneNot supported
Top Wi-Fi standardKnown for oneWi-Fi 4 (802.11n)
Wi-Fi standardsKnown for one802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANKnown for oneYes
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers03
Ethernet LAN (RJ-45) ports11
Microphone inDiffersNoYes
Headphone outYesYes
DC-in jackYesYes
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one0
HDMI ports quantityKnown for one0
Mini HDMI ports quantityKnown for one1
Design1 differ
Product colourDiffersBlack, WhiteBlack
Device typeKnown for oneTablet PC
Form factorKnown for oneSlate
Performanceidentical
Position locationNoNo
GPS (satellite)NoNo
Trusted Platform Module (TPM)Known for oneYes
Securityidentical
Fingerprint readerKnown for oneYes
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Software2 differ
PlatformDiffersAndroidWindows
Operating system installedDiffersAndroidWindows 7 Professional
Operating system architectureKnown for one64-bit
Operating system versionKnown for oneProfessional
Processor special featuresidentical
Embedded options availableKnown for oneNo
Enhanced Intel SpeedStep TechnologyKnown for oneYes
Execute Disable BitKnown for oneYes
Idle StatesKnown for oneYes
Intel 64Known for oneYes
Intel Demand Based SwitchingKnown for oneNo
Intel Dual Display Capable TechnologyKnown for oneYes
Intel Enhanced Halt StateKnown for oneYes
Intel FDI TechnologyKnown for oneYes
Intel Fast Memory AccessKnown for oneYes
Intel Flex Memory AccessKnown for oneYes
Intel Identity Protection Technology versionKnown for one1.00
Intel Trusted Execution TechnologyKnown for oneYes
Intel VT-x with Extended Page Tables (EPT)Known for oneYes
Intel Virtualization Technology (VT-x)Known for oneYes
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneYes
Intel® AES New Instructions (Intel® AES-NI)Known for oneYes
Intel® Anti-Theft Technology (Intel® AT)Known for oneYes
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneYes
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneYes
Intel® Identity Protection Technology (Intel® IPT)Known for oneYes
Intel® InTru™ 3D TechnologyKnown for oneYes
Intel® My WiFi Technology (Intel® MWT)Known for oneYes
Intel® Quick Sync Video TechnologyKnown for oneYes
Intel® Smart CacheKnown for oneYes
Intel® Turbo Boost TechnologyKnown for one2.0
Intel® Wireless Display (Intel® WiDi)Known for oneYes
Battery2 differ
Battery technologyLithium-Ion (Li-Ion)Lithium-Ion (Li-Ion)
Number of battery cellsDiffers26
Battery life (max)Differs10 h8.8 h
Weight & dimensions4 differ
WidthDiffers264 mm305 mm
DepthDiffers189 mm228.7 mm
HeightDiffers13.3 mm31.3 mm
WeightDiffers750 g1.8 kg
Other features2 differ
Height (front)Known for one2.7 cm
Height (rear)Known for one3.13 cm
Contrast ratio (typical)Known for one500:1
DisplayPorts quantityKnown for one1
ExpressCard slotKnown for oneYes
HDD user passwordKnown for oneYes
Memory slotsKnown for one2 SODIMM
Networking featuresDiffersFast EthernetGigabit Ethernet
Processor socketKnown for oneSocket 988
SSD capacityDiffers32 GB160 GB
VGA (D-Sub) ports quantityKnown for one1
Wi-FiYesYes
Processor ARK IDKnown for one52229
Cabling technologyKnown for one10/100Base-T(X)
Docking connectorKnown for oneNo
Ethernet LAN data ratesKnown for one10,100 Mbit/s
Full HDKnown for oneNo
HD-ReadyKnown for oneYes
Memory layout (slots x size)Known for one1 x 1 GB
Power supply typeKnown for oneAC/DC
Packaging contentidentical
ManualKnown 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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