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Product comparison · 2 laptops

Lenovo N21 Intel® Celeron® N2840 Chromebook vs Lenovo X1 Carbon (3rd Gen)

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  • 117specifications compared
  • 61differ
  • 56identical
  • 75known for one product only

Key differences

  • Product type
    • Chromebook
    • Ultrabook
  • Display diagonal
    • 29.5 cm (11.6")
    • 35.6 cm (14")
  • Display resolution
    • 1366 x 768 pixels
    • 1920 x 1080 pixels
  • Processor family
    • Intel® Celeron®
    • Intel® Core™ i5
  • Processor model
    • N2840
    • i5-5200U
  • Processor threads
    • 2
    • 4
  • Processor boost frequency
    • 2.58 GHz
    • 2.7 GHz
  • Processor frequency
    • 2.16 GHz
    • 2.2 GHz

Side by side

Differences highlightedShow differences only
192 specifications
A

Lenovo

N21 Intel® Celeron® N2840 Chromebook

Model N21

View product
B

Lenovo

X1 Carbon (3rd Gen)View product
Design1 differ
Product typeDiffersChromebookUltrabook
Housing materialKnown for oneAluminium, Carbon fibre, Glass fibre, Magnesium, Plastic
Market positioningKnown for oneBusiness
Display2 differ
Display diagonalDiffers29.5 cm (11.6")35.6 cm (14")
Display resolutionDiffers1366 x 768 pixels1920 x 1080 pixels
HD typeKnown for oneFull HD
Display brightnessKnown for one300 cd/m²
Contrast ratio (typical)Known for one700:1
Processor16 differ
Processor familyDiffersIntel® Celeron®Intel® Core™ i5
Processor generationKnown for one5th gen Intel® Core™ i5
Processor modelDiffersN2840i5-5200U
Processor threadsDiffers24
Processor boost frequencyDiffers2.58 GHz2.7 GHz
Processor frequencyDiffers2.16 GHz2.2 GHz
System bus rateKnown for one5 GT/s
Processor cacheDiffers1 MB3 MB
Processor cache typeDiffersL2Smart Cache
Processor socketDiffersBGA 1170BGA 1168
Processor lithographyDiffers22 nm14 nm
Processor seriesDiffersIntel Celeron Processor N2000 Series for MobileIntel® Core™ i5-5200 Mobile Series
Processor codenameDiffersBay TrailBroadwell
Bus typeKnown for oneDMI2
SteppingDiffersC0F0
Thermal Design Power (TDP)Differs7.5 W15 W
Configurable TDP-downKnown for one7.5 W
Configurable TDP-down frequencyKnown for one0.6 GHz
TjunctionDiffers100 °C105 °C
Maximum number of PCI Express lanesDiffers412
PCI Express configurationsDiffers1x44x1, 2x4
FSB ParityKnown for oneNo
Scenario Design Power (SDP)Known for one4.5 W
ECC supported by processorKnown for oneNo
Memory2 differ
Internal memoryDiffers2 GB8 GB
Memory clock speedKnown for one1600 MHz
Memory form factorKnown for oneOn-board
Maximum internal memoryDiffers4 GB8 GB
Maximum internal memory (64-bit)Known for one8 GB
Storage2 differ
Total storage capacityDiffers16 GB256 GB
Compatible memory cardsDiffersMMC, SDMMC, SD, SDHC, SDXC
Number of SSDs installedKnown for one1
SSD capacityKnown for one16 GB
Graphics3 differ
On-board graphics card modelDiffersIntel® HD GraphicsIntel® HD Graphics 5500
Maximum on-board graphics card memoryKnown for one16 GB
On-board graphics card base frequencyDiffers311 MHz300 MHz
On-board graphics card dynamic frequency (max)Differs792 MHz900 MHz
On-board graphics card DirectX versionKnown for one11.2
On-board graphics card IDKnown for one0x1616
Number of discrete graphics cards supportedKnown for one1
On-board graphics card burst frequencyKnown for one792 MHz
Audioidentical
Speaker powerKnown for one1 W
Cameraidentical
Front camera resolution (numeric)Known for one1 MP
Networkidentical
Mobile network connectionKnown for oneYes
Mobile network generationKnown for one4G
2G standardsKnown for oneEdge, GPRS, GSM
3G standardsKnown for oneHSPA
4G standardKnown for oneLTE
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers10
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers12
Ethernet LAN (RJ-45) portsKnown for one0
Mini DisplayPorts quantityKnown for one1
Docking connectorDiffersNoYes
USB Sleep-and-ChargeKnown for oneYes
USB Sleep-and-Charge portsKnown for one1
ExpressCard slotKnown for oneNo
SmartCard slotKnown for oneNo
Total number of SATA connectorsKnown for one2
Performanceidentical
GPS (satellite)Known for oneYes
Keyboard1 differ
Pointing deviceDiffersTouchpadThinkPad UltraNav
Keyboard backlitKnown for oneYes
Island-style keyboardKnown for oneYes
Spill-resistant keyboardKnown for oneYes
Full-size keyboardKnown for oneYes
Windows keysKnown for oneYes
Software1 differ
Operating system installedDiffersChromeOSWindows 7 Professional
Operating system architectureKnown for one64-bit
Recovery operating systemKnown for oneWindows 8.1 Pro
Processor special features21 differ
Graphics & IMC lithographyDiffers22 nm14 nm
Intel Clear Video TechnologyDiffersNoYes
Intel FDI TechnologyDiffersNoYes
Intel Fast Memory AccessDiffersNoYes
Intel Flex Memory AccessDiffersNoYes
Intel Identity Protection Technology versionKnown for one1.00
Intel Small Business Advantage (SBA) versionKnown for one1.00
Intel Smart Response Technology versionKnown for one1.00
Intel VT-x with Extended Page Tables (EPT)DiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersNoYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)DiffersNoYes
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® Identity Protection Technology (Intel® IPT)DiffersNoYes
Intel® InTru™ 3D TechnologyDiffersNoYes
Intel® Insider™DiffersNoYes
Intel® OS GuardKnown for oneYes
Intel® Small Business Advantage (Intel® SBA)DiffersNoYes
Intel® Smart Response TechnologyDiffersNoYes
Intel® Turbo Boost TechnologyDiffersNo2.0
Processor ARK IDDiffers8210385212
Processor codeDiffersSR1YJSR23Y
Processor package sizeDiffers25 x 27 mm40 x 24 x 1.3 mm
Supported instruction setsKnown for oneAVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesDiffersNoYes
Intel Demand Based SwitchingKnown for oneNo
Intel Dual Display Capable TechnologyKnown for oneNo
Intel Rapid Storage TechnologyKnown for oneNo
Intel Smart Connect TechnologyKnown for oneYes
Intel Smart Connect Technology versionKnown for one1.00
Intel Trusted Execution TechnologyKnown for oneNo
Intel® Active Management Technology (Intel® AMT)Known for oneNo
Intel® Anti-Theft Technology (Intel® AT)Known for oneNo
Intel® High Definition Audio (Intel® HD Audio)Known for oneNo
Intel® Matrix Storage Technology (Intel® MST)Known for oneNo
Intel® My WiFi Technology (Intel® MWT)Known for oneNo
Intel® Rapid Start TechnologyKnown for oneNo
Intel® Virtualization Technology (Intel® VT)Known for oneVT-x
Battery4 differ
Battery technologyDiffersLithium Polymer (LiPo)Lithium-Ion (Li-Ion)
Number of battery cellsDiffers36
Battery capacityDiffers36 Wh50 Wh
Battery life (max)Differs9.5 h10.9 h
Poweridentical
AC adapter powerKnown for one65 W
AC adapter frequencyKnown for one50 - 60 Hz
AC adapter input voltageKnown for one100 - 240 V
Securityidentical
Fingerprint readerKnown for oneYes
Password protectionKnown for oneYes
Password protection typeKnown for oneHDD, Power on
Certificatesidentical
Compliance certificatesKnown for oneRoHS
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Gold, ENERGY STAR
Weight & dimensions4 differ
WeightDiffers1.29 kg1.3 kg
WidthDiffers300 mm331 mm
DepthDiffers215 mm226.5 mm
HeightDiffers22.4 mm17.7 mm
Packaging contentidentical
AC adapter includedKnown for oneYes
ManualKnown for oneYes
Power cord includedKnown for oneYes
Other features1 differ
Intel segment taggingDiffersEducation, IndustrialHome office, Small Business

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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