All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 laptops

Lenovo Flex 2 Pro vs Lenovo X240 Win8.1 US

Add a product
  • 153specifications compared
  • 44differ
  • 109identical
  • 43known for one product only

Key differences

  • Product type
    • Hybrid (2-in-1)
    • Laptop
  • Display diagonal
    • 39.6 cm (15.6")
    • 31.8 cm (12.5")
  • Touchscreen
    • Yes
    • No
  • Processor family
    • Intel® Core™ i7
    • Intel® Core™ i5
  • Processor generation
    • 4th gen Intel® Core™ i7
    • 4th gen Intel® Core™ i5
  • Processor model
    • i7-4510U
    • i5-4300U
  • Processor boost frequency
    • 3.1 GHz
    • 2.9 GHz
  • Processor frequency
    • 2 GHz
    • 1.9 GHz

Side by side

Differences highlightedShow differences only
196 specifications
A

Lenovo

Flex 2 ProView product
B

Lenovo

X240 Win8.1 USView product
Design2 differ
Product typeDiffersHybrid (2-in-1)Laptop
Form factorDiffersConvertible (Fold-back screen)Clamshell
Housing materialKnown for oneAluminium
Display2 differ
Display diagonalDiffers39.6 cm (15.6")31.8 cm (12.5")
TouchscreenDiffersYesNo
Display surfaceKnown for oneMatt
Touchscreen typeKnown for oneCapacitive
Touch technologyKnown for oneMulti-touch
Processor7 differ
Processor familyDiffersIntel® Core™ i7Intel® Core™ i5
Processor generationDiffers4th gen Intel® Core™ i74th gen Intel® Core™ i5
Processor modelDiffersi7-4510Ui5-4300U
Processor boost frequencyDiffers3.1 GHz2.9 GHz
Processor frequencyDiffers2 GHz1.9 GHz
Processor cacheDiffers4 MB3 MB
Processor seriesDiffersIntel Core i7-4500 Mobile seriesIntel Core i5-4300 Mobile series
Memory2 differ
Memory layout (slots x size)Known for one1 x 8 GB
Memory slotsDiffers2x SO-DIMM1x SO-DIMM
Maximum internal memoryDiffers16 GB8 GB
Memory form factorKnown for oneSO-DIMM
Maximum internal memory (64-bit)Known for one16 GB
Storage2 differ
Total storage capacityDiffers1 TB256 GB
Storage mediaDiffersHybrid-HDDSSD
Number of SSDs installedKnown for one1
SSD capacityKnown for one256 GB
SSD interfaceKnown for oneSATA III
Optical drive typeKnown for oneNo
HDD capacityKnown for one1 TB
HDD interfaceKnown for oneSATA
HDD speedKnown for one5400 RPM
Hybrid-HDD cache typeKnown for oneSSD
Hybrid-HDD capacityKnown for one1 TB
Hybrid-HDD cache memoryKnown for one8 GB
HDD sizeKnown for one2.5"
Graphics3 differ
Discrete graphics cardDiffersYesNo
Discrete graphics card modelDiffersNVIDIA® GeForce® GT 840MNot available
On-board graphics card DirectX versionDiffers11.2/1212
Discrete graphics card memoryKnown for one2 GB
On-board graphics card OpenGL versionKnown for one4.3
Number of discrete graphics cards installedKnown for one1
Number of discrete graphics cards supportedKnown for one1
Audio1 differ
Audio systemDiffersDolby Home TheaterHD
Number of built-in speakersKnown for one2
Optical driveidentical
LightScribeKnown for oneNo
Network1 differ
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Near Field Communication (NFC)Known for oneYes
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers20
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers12
HDMI ports quantityDiffers10
Mini DisplayPorts quantityKnown for one1
VGA (D-Sub) ports quantityDiffers01
Docking connectorDiffersNoYes
Total number of SATA connectorsKnown for one4
Performanceidentical
Motherboard chipsetKnown for oneIntel® QM87
Keyboard2 differ
Pointing deviceDiffersTouchpadThinkPad UltraNav
Numeric keypadDiffersYesNo
Keyboard layoutKnown for oneQWERTY
Keyboard languageKnown for oneEnglish
Software1 differ
Operating system installedDiffersWindows 8.1Windows 8.1 Pro
Processor special features8 differ
Embedded options availableDiffersNoYes
Intel FDI TechnologyDiffersYesNo
Intel Small Business Advantage (SBA) versionKnown for one1.00
Intel Smart Response Technology versionKnown for one1.00
Intel Stable Image Platform Program (SIPP)Known for oneYes
Intel Stable Image Platform Program (SIPP) versionKnown for one1.00
Intel Trusted Execution TechnologyDiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® Small Business Advantage (Intel® SBA)DiffersNoYes
Intel® Smart Response TechnologyDiffersNoYes
Processor ARK IDDiffers8101576308
Processor codeDiffersSR1EBSR1ED
UARTKnown for oneYes
Intel® Virtualization Technology (Intel® VT)Known for oneVT-x
Battery2 differ
Number of battery cellsDiffers43+3
Battery capacityDiffers44 Wh47 Wh
Battery life (max)Known for one8 h
Poweridentical
AC adapter powerKnown for one45 W
AC adapter frequencyKnown for one50 - 60 Hz
AC adapter input voltageKnown for one100 - 240 V
Security2 differ
Cable lock slotDiffersNoYes
Fingerprint readerDiffersNoYes
Trusted Platform Module (TPM)Known for oneYes
Weight & dimensions4 differ
WeightDiffers2.3 kg1.4 kg
WidthDiffers282 mm307 mm
DepthDiffers276 mm209 mm
HeightDiffers19.9 mm21 mm
Packaging contentidentical
Cables includedKnown for oneAC
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.

More laptop comparisons

All laptop comparisons