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Product comparison · 2 laptops

Lenovo ThinkPad T440s Intel® Core™ i5 i5-4200U Laptop vs Lenovo X1 Carbon Win 8 US

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  • 125specifications compared
  • 53differ
  • 72identical
  • 71known for one product only

Key differences

  • Product type
    • Laptop
    • Ultrabook
  • Display diagonal
    • 35.8 cm (14.1")
    • 35.6 cm (14")
  • Display resolution
    • 1920 x 1080 pixels
    • 1600 x 900 pixels
  • HD type
    • Full HD
    • HD+
  • Processor family
    • Intel® Core™ i5
    • Intel® Core™ i7
  • Processor generation
    • 4th gen Intel® Core™ i5
    • 3rd gen Intel® Core™ i7
  • Processor model
    • i5-4200U
    • i7-3667U
  • Processor boost frequency
    • 2.6 GHz
    • 3.2 GHz

Side by side

Differences highlightedShow differences only
196 specifications
A

Lenovo

ThinkPad T440s Intel® Core™ i5 i5-4200U Laptop

Model T440s

View product
B

Lenovo

X1 Carbon Win 8 USView product
Design1 differ
Product typeDiffersLaptopUltrabook
Product colourBlackBlack
Form factorClamshellClamshell
Housing materialKnown for oneCarbon fibre
Display3 differ
Display diagonalDiffers35.8 cm (14.1")35.6 cm (14")
Display resolutionDiffers1920 x 1080 pixels1600 x 900 pixels
TouchscreenNoNo
HD typeDiffersFull HDHD+
LED backlightYesYes
Native aspect ratio16:916:9
Display surfaceKnown for oneMatt
Processor15 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffers4th gen Intel® Core™ i53rd gen Intel® Core™ i7
Processor modelDiffersi5-4200Ui7-3667U
Processor cores22
Processor threads44
Processor boost frequencyDiffers2.6 GHz3.2 GHz
Processor frequencyDiffers1.6 GHz2 GHz
System bus rateKnown for one5 GT/s
Processor cacheDiffers3 MB4 MB
Processor cache typeSmart CacheSmart Cache
L3 cacheKnown for one4 MB
L2 cacheKnown for one0.512 MB
Processor socketDiffersBGA 1168BGA 1023
Processor lithography22 nm22 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core i5-4200 Mobile seriesIntel Core i7-3600 Mobile series
Processor codenameDiffersHaswellIvy Bridge
Bus typeDiffersDMI2DMI
FSB ParityNoNo
SteppingDiffersC0L1
Thermal Design Power (TDP)Differs15 W17 W
TjunctionDiffers100 °C105 °C
Maximum number of PCI Express lanesDiffers1216
PCI Express configurationsDiffers1x4, 2x41x8, 1x16, 2x4, 2x8
PCI Express slots version2.02.0
CPU multiplier (bus/core ratio)Known for one20
ECC supported by processorNoNo
Memory2 differ
Internal memoryDiffers4 GB8 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory layout (slots x size)Known for one1 x 8 GB
Maximum internal memoryDiffers12 GB8 GB
Storage4 differ
Total storage capacityDiffers524 GB256 GB
Storage mediaDiffersHDD+SSDSSD
Number of SSDs installed11
SSD capacityDiffers24 GB256 GB
SSD interfaceKnown for oneSATA III
Optical drive typeNoNo
Card reader integratedYesYes
Compatible memory cardsDiffersSDMMC, SD, SDHC, SDXC
Number of HDDs installedKnown for one1
HDD capacityKnown for one500 GB
Graphics4 differ
On-board graphics cardYesYes
Discrete graphics cardNoNo
Discrete graphics card modelNot availableNot available
On-board graphics card familyIntel® HD GraphicsIntel® HD Graphics
On-board graphics card modelDiffersIntel® HD Graphics 4400Intel® HD Graphics 4000
On-board graphics card base frequencyDiffers200 MHz350 MHz
On-board graphics card dynamic frequency (max)Differs1000 MHz1150 MHz
On-board graphics card IDDiffers0xA160x166
Maximum on-board graphics card memoryKnown for one1.74 GB
On-board graphics card DirectX versionKnown for one12
Audio1 differ
Audio systemDiffersHome Theater v4Dolby Home Theater v4
Built-in speaker(s)Known for oneYes
Built-in microphoneYesYes
Cameraidentical
Front cameraYesYes
Optical driveidentical
LightScribeNoNo
Network2 differ
Mobile network connectionKnown for oneYes
Mobile network generationKnown for one4G
4G standardKnown for oneWiMAX
Wi-FiYesYes
Wi-Fi standards802.11a, 802.11b, 802.11g802.11a, 802.11b, 802.11g
Ethernet LANDiffersYesNo
BluetoothYesYes
Bluetooth versionKnown for one4.0
WWANKnown for oneNot installed
4G WiMAXDiffersNoYes
Integrated 4G WiMAXKnown for oneYes
Top Wi-Fi standardKnown for oneWi-Fi 4 (802.11n)
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Ports & interfaces5 differ
USB 2.0 ports quantityKnown for one1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers31
eSATA/USB 2.0 ports quantity00
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity00
eSATA ports quantity00
Ethernet LAN (RJ-45) portsDiffers10
HDMI ports quantity00
DisplayPorts quantityKnown for one0
Mini DisplayPorts quantity11
DVI portNoNo
VGA (D-Sub) ports quantityDiffers10
Firewire (IEEE 1394) ports00
Thunderbolt ports quantity00
Headphone outputsDiffers10
S/PDIF out portNoNo
Combo headphone/mic portKnown for oneYes
Microphone inDiffersYesNo
Docking connectorKnown for oneNo
ExpressCard slotKnown for oneNo
CardBus PCMCIA slots quantityKnown for one0
CardBus PCMCIA slot typeKnown for oneNo
SmartCard slotKnown for oneNo
Headphone connectivityKnown for one3.5 mm
Mini DisplayPort/Thunderbolt combo portKnown for oneNo
Mini HDMI ports quantityKnown for one0
Micro HDMI ports quantityKnown for one0
LAN/VGA combo portKnown for oneNo
Mini VGA ports quantityKnown for one0
Total number of SATA connectorsKnown for one4
Number of SATA III connectorsKnown for one4
USB Sleep-and-ChargeKnown for oneYes
USB Sleep-and-Charge portsKnown for one1
Performanceidentical
Motherboard chipsetKnown for oneIntel® QS77 Express
Keyboard1 differ
Pointing deviceDiffersTouchpadTouchpad + Pointing Stick
Keyboard backlitKnown for oneYes
Numeric keypadNoNo
Keyboard layoutKnown for oneQWERTY
Keyboard languageKnown for oneEnglish
Spill-resistant keyboardKnown for oneYes
Full-size keyboardKnown for oneYes
Softwareidentical
Operating system installedWindows 8 ProWindows 8 Pro
Operating system architectureKnown for one64-bit
Processor special features11 differ
Intel® Wireless Display (Intel® WiDi)YesYes
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithographyKnown for one22 nm
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyDiffersNoYes
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyDiffersNoYes
Intel Fast Memory AccessDiffersNoYes
Intel Flex Memory AccessDiffersNoYes
Intel Identity Protection Technology version1.001.00
Intel Rapid Storage TechnologyDiffersYesNo
Intel Secure Key Technology version1.001.00
Intel Trusted Execution TechnologyDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)YesYes
Intel® Anti-Theft Technology (Intel® AT)YesYes
Intel® Clear Video HD Technology (Intel® CVT HD)YesYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Identity Protection Technology (Intel® IPT)YesYes
Intel® InTru™ 3D TechnologyYesYes
Intel® Insider™YesYes
Intel® My WiFi Technology (Intel® MWT)YesYes
Intel® Quick Sync Video TechnologyYesYes
Intel® Secure KeyYesYes
Intel® Smart CacheKnown for oneYes
Intel® Turbo Boost Technology2.02.0
Processor ARK IDDiffers7545964898
Processor codeDiffersSR170SR0N5
Processor package sizeDiffers40 x 24 x 1.5 mm31 x 24 mm
Supported instruction setsDiffersAVX 2.0AVX
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorYesYes
Intel ME Firmware VersionKnown for one9.5
Intel Smart Connect TechnologyKnown for oneYes
Intel Smart Connect Technology versionKnown for one1.00
Intel TSX-NIKnown for oneNo
Intel TSX-NI versionKnown for one0.00
Intel® High Definition Audio (Intel® HD Audio)Known for oneYes
Intel® Matrix Storage Technology (Intel® MST)Known for oneNo
Batteryidentical
Battery technologyLithium Polymer (LiPo)Lithium Polymer (LiPo)
Number of battery cellsKnown for one4
Battery capacityKnown for one46 Wh
Poweridentical
AC adapter powerKnown for one90 W
DC-in jackYesYes
AC adapter frequencyKnown for one50 - 60 Hz
AC adapter input voltageKnown for one100 - 240 V
Security1 differ
Cable lock slotDiffersNoYes
Fingerprint readerYesYes
Operational conditionsidentical
Operating temperature (T-T)Known for one5 - 35 °C
Storage temperature (T-T)Known for one-15 - 60 °C
Operating relative humidity (H-H)Known for one15 - 80%
Storage relative humidity (H-H)Known for one10 - 90%
Certificatesidentical
Compliance certificatesKnown for oneRoHS
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Gold, ENERGY STAR
Weight & dimensions2 differ
WeightDiffers1.59 kg1.35 kg
WidthDiffers331 mm311 mm
Depth226 mm226 mm
Height (front)Known for one1.6 cm
Height (rear)Known for one2.1 cm
HeightKnown for one20.4 mm
Other features1 differ
TV tuner integratedNoNo
Power adapter weightKnown for one370 g
Intel segment taggingDiffersHome office, Small BusinessEnterprise, Small Business
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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