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Product comparison · 2 laptops

Lenovo L540 + Thinkpad Basic Dock 65W vs Lenovo ThinkPad Helix 2nd Gen

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  • 128specifications compared
  • 59differ
  • 69identical
  • 81known for one product only

Key differences

  • Product type
    • Laptop
    • Hybrid (2-in-1)
  • Form factor
    • Clamshell
    • Convertible (Detachable)
  • Display diagonal
    • 39.6 cm (15.6")
    • 29.5 cm (11.6")
  • Display resolution
    • 1366 x 768 pixels
    • 1920 x 1080 pixels
  • Touchscreen
    • No
    • Yes
  • Processor family
    • Intel® Core™ i3
    • Intel® Core™ M
  • Processor generation
    • 4th gen Intel® Core™ i3
    • Intel® Core™ m-5xxx
  • Processor model
    • i3-4100M
    • M-5Y10

Side by side

Differences highlightedShow differences only
209 specifications
A

Lenovo

L540 + Thinkpad Basic Dock 65WView product
B

Lenovo

ThinkPad Helix 2nd GenView product
Design2 differ
Product typeDiffersLaptopHybrid (2-in-1)
Form factorDiffersClamshellConvertible (Detachable)
Housing materialKnown for oneAluminium
Market positioningKnown for oneBusiness
Display3 differ
Display diagonalDiffers39.6 cm (15.6")29.5 cm (11.6")
Display resolutionDiffers1366 x 768 pixels1920 x 1080 pixels
TouchscreenDiffersNoYes
HD typeKnown for oneFull HD
Touch technologyKnown for oneMulti-touch
Panel typeKnown for oneIPS
Display surfaceKnown for oneGloss
Display brightnessKnown for one370 cd/m²
Contrast ratio (typical)Known for one800:1
Processor12 differ
Processor familyDiffersIntel® Core™ i3Intel® Core™ M
Processor generationDiffers4th gen Intel® Core™ i3Intel® Core™ m-5xxx
Processor modelDiffersi3-4100MM-5Y10
Processor boost frequencyKnown for one2 GHz
Processor frequencyDiffers2.5 GHz0.8 GHz
Processor cacheDiffers3 MB4 MB
Processor lithographyDiffers22 nm14 nm
Processor seriesDiffersIntel Core i3-4100 Mobile SeriesIntel Core M-5Y Mobile series
Processor codenameDiffersHaswellBroadwell
Thermal Design Power (TDP)Differs37 W4.5 W
TjunctionDiffers100 °C95 °C
Maximum number of PCI Express lanesDiffers1612
PCI Express configurationsDiffers1x16, 1x8+2x4, 2x81x2, 1x4
System bus rateKnown for one5 GT/s
Processor cache typeKnown for oneSmart Cache
Processor socketKnown for onePGA946
Bus typeKnown for oneDMI2
FSB ParityKnown for oneNo
SteppingKnown for oneC0
Memory4 differ
Internal memory typeDiffersDDR3L-SDRAMLPDDR3-SDRAM
Memory form factorDiffersSO-DIMMOn-board
Maximum internal memoryDiffers16 GB4 GB
Maximum internal memory (64-bit)Differs16 GB4 GB
Memory layout (slots x size)Known for one1 x 4 GB
Memory slotsKnown for one2x SO-DIMM
Storage4 differ
Total storage capacityDiffers500 GB128 GB
Storage mediaDiffersHDDSSD
Number of SSDs installedKnown for one1
SSD capacityKnown for one128 GB
SSD interfaceKnown for oneM.2
Optical drive typeDiffersDVD±RWNo
Compatible memory cardsDiffersMMC, SD, SDHC, SDXCMicroSD (TransFlash), MicroSDHC, MicroSDXC
Number of HDDs installedKnown for one1
HDD capacityKnown for one500 GB
HDD interfaceKnown for oneSATA
HDD speedKnown for one7200 RPM
HDD sizeKnown for one2.5"
Graphics4 differ
Discrete graphics cardKnown for oneNo
Discrete graphics card modelKnown for oneNot available
On-board graphics card modelDiffersIntel® HD Graphics 4600Intel® HD Graphics 5300
Maximum on-board graphics card memoryDiffers2 GB16 GB
On-board graphics card base frequencyDiffers400 MHz100 MHz
On-board graphics card dynamic frequency (max)Differs1100 MHz800 MHz
On-board graphics card IDKnown for one0x416
Audio1 differ
Audio systemDiffersDolby AdvancedDolby Home Theater v4
Speaker powerKnown for one1.4 W
Camera1 differ
Front camera resolution (numeric)Known for one2 MP
Front camera resolutionDiffers1280 x 720 pixels1920 x 1080 pixels
Rear cameraKnown for oneYes
Rear camera resolution (numeric)Known for one5 MP
Optical driveidentical
LightScribeKnown for oneNo
Network2 differ
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)Wi-Fi 5 (802.11ac)
Ethernet LANDiffersYesNo
Bluetooth versionKnown for one4.0
Mobile network connectionKnown for oneYes
Mobile network generationKnown for one3G
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Ports & interfaces3 differ
Ethernet LAN (RJ-45) portsDiffers10
Micro HDMI ports quantityKnown for one1
Headphone outputsDiffers01
ExpressCard slotDiffersYesNo
SmartCard slotKnown for oneNo
USB Sleep-and-ChargeKnown for oneYes
USB Sleep-and-Charge portsKnown for one1
USB 2.0 ports quantityKnown for one3
Mini DisplayPorts quantityKnown for one1
Performanceidentical
AccelerometerKnown for oneYes
Ambient light sensorKnown for oneYes
Keyboard2 differ
Pointing deviceDiffersTrackpadTouchpad
Keyboard backlitKnown for oneNo
Numeric keypadDiffersYesNo
Island-style keyboardKnown for oneYes
Software1 differ
Operating system installedDiffersWindows 7 ProfessionalWindows 8.1 Pro
Trial softwareKnown for oneNorton Internet Security
Bundled softwareKnown for oneLenovo Support Lenovo Companion ThinkVantage System Update Lenovo Reach Hightail - Metro Amazon Kindle Nitro Pro Evernote Skype Rara Streaming Norton Studio
Recovery operating systemKnown for oneWindows 8.1 Pro
Processor special features12 differ
Intel FDI TechnologyDiffersNoYes
Intel Fast Memory AccessDiffersNoYes
Intel Flex Memory AccessDiffersNoYes
Intel Stable Image Platform Program (SIPP)Known for oneYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® Anti-Theft Technology (Intel® AT)DiffersYesNo
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersNoYes
Intel® OS GuardKnown for oneYes
Intel® Small Business Advantage (Intel® SBA)Known for oneYes
Intel® Smart Response TechnologyDiffersNoYes
Intel® Turbo Boost TechnologyDiffersNo2.0
Intel® Virtualization Technology (Intel® VT)DiffersVT-xVT-d, VT-x
Processor ARK IDDiffers7634683610
Processor package sizeDiffers37.5 x 37.5 x 4.7 mm30 x 16.5 mm
Supported instruction setsDiffersAVX 2.0AVX 2.0, SSE4.1, SSE4.2
Intel Clear Video TechnologyKnown for oneNo
Intel Demand Based SwitchingKnown for oneNo
Intel Dual Display Capable TechnologyKnown for oneNo
Intel Enhanced Halt StateKnown for oneNo
Intel Identity Protection Technology versionKnown for one1.00
Intel Rapid Storage TechnologyKnown for oneNo
Intel Secure Key Technology versionKnown for one1.00
Intel TSX-NIKnown for oneNo
Intel TSX-NI versionKnown for one0.00
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneNo
Intel® Smart CacheKnown for oneYes
Processor codeKnown for oneSR1HB
Battery4 differ
Battery technologyDiffersLithium-Ion (Li-Ion)Lithium Polymer (LiPo)
Number of battery cellsDiffers62
Battery capacityDiffers56 Wh35 Wh
Battery life (max)Differs7 h8 h
Poweridentical
AC adapter powerKnown for one36 W
AC adapter frequencyKnown for one50 - 60 Hz
AC adapter input voltageKnown for one100 - 240 V
Securityidentical
Password protectionKnown for oneYes
Password protection typeKnown for oneHDD, Power on, Supervisor
Trusted Platform Module (TPM)Known for oneYes
Certificatesidentical
Compliance certificatesKnown for oneRoHS
Wi-Fi certifiedKnown for oneYes
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Gold, ENERGY STAR
Weight & dimensions4 differ
WeightDiffers2.58 kg1.35 kg
WidthDiffers377 mm301.1 mm
DepthDiffers247 mm215.6 mm
HeightDiffers31 mm25.4 mm
Weight (tablet mode)Known for one822 g
Width (tablet mode)Known for one30.1 cm
Depth (tablet mode)Known for one19.2 cm
Height (tablet mode)Known for one9.3 mm
Packaging contentidentical
Stylus penKnown for oneYes
Warranty cardKnown for oneYes
Other featuresidentical
3DKnown for oneNo

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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