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Product comparison · 2 laptops

Lenovo ThinkPad T440p Win CH vs Lenovo X1 Carbon Touch Win8.1 US

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  • 164specifications compared
  • 57differ
  • 107identical
  • 31known for one product only

Key differences

  • Product type
    • Laptop
    • Ultrabook
  • Display resolution
    • 1920 x 1080 pixels
    • 2560 x 1440 pixels
  • Touchscreen
    • No
    • Yes
  • Display surface
    • Matt
    • Gloss
  • Processor model
    • i7-4710MQ
    • i7-4600U
  • Processor cores
    • 4
    • 2
  • Processor threads
    • 8
    • 4
  • Processor boost frequency
    • 3.5 GHz
    • 3.3 GHz

Side by side

Differences highlightedShow differences only
195 specifications
A

Lenovo

ThinkPad T440p Win CHView product
B

Lenovo

X1 Carbon Touch Win8.1 USView product
Design1 differ
Product typeDiffersLaptopUltrabook
Display3 differ
Display resolutionDiffers1920 x 1080 pixels2560 x 1440 pixels
TouchscreenDiffersNoYes
Touch technologyKnown for oneMulti-touch
Panel typeKnown for oneIPS
Display surfaceDiffersMattGloss
Display brightnessKnown for one300 cd/m²
HD typeKnown for oneFull HD
Processor14 differ
Processor modelDiffersi7-4710MQi7-4600U
Processor coresDiffers42
Processor threadsDiffers84
Processor boost frequencyDiffers3.5 GHz3.3 GHz
Processor frequencyDiffers2.5 GHz2.1 GHz
Processor cacheDiffers6 MB4 MB
Processor socketDiffersPGA946BGA 1168
Processor seriesDiffersIntel Core i7-4700 Mobile seriesIntel Core i7-4600 Mobile series
Bus typeDiffersDMIDMI2
SteppingDiffersC0D0
Thermal Design Power (TDP)Differs47 W15 W
Maximum number of PCI Express lanesDiffers1612
PCI Express configurationsDiffers1x16, 2x8, 1x8+2x44x1, 2x4
PCI Express slots versionDiffers3.02.0
Memory3 differ
Memory form factorDiffersSO-DIMMOn-board
Maximum internal memoryDiffers16 GB8 GB
Maximum internal memory (64-bit)Differs16 GB8 GB
Memory slotsKnown for one2x SO-DIMM
Storage2 differ
Optical drive typeDiffersDVD Super Multi DLNo
Card reader integratedDiffersYesNo
SSD interfaceKnown for oneSATA III
Compatible memory cardsKnown for oneMMC, SD, SDHC, SDXC
Graphics6 differ
Discrete graphics cardDiffersYesNo
Discrete graphics card modelDiffersNVIDIA® GeForce® GT 730MNot available
On-board graphics card modelDiffersIntel® HD Graphics 4600Intel® HD Graphics 4400
On-board graphics card base frequencyDiffers400 MHz200 MHz
On-board graphics card dynamic frequency (max)Differs1150 MHz1100 MHz
On-board graphics card OpenGL versionKnown for one4.3
On-board graphics card IDDiffers0x4160xA16
Discrete graphics memory typeKnown for oneGDDR3
Number of discrete graphics cards installedKnown for one1
Number of discrete graphics cards supportedKnown for one1
Audioidentical
Speaker powerKnown for one2 W
Cameraidentical
Front camera resolution (numeric)Known for one1.3 MP
Optical driveidentical
LightScribeKnown for oneNo
Networkidentical
Top Wi-Fi standardKnown for oneWi-Fi 5 (802.11ac)
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Near Field Communication (NFC)Known for oneYes
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers20
Ethernet LAN (RJ-45) portsDiffers10
HDMI ports quantityDiffers01
VGA (D-Sub) ports quantityDiffers10
Number of SATA III connectorsKnown for one4
Performance1 differ
Motherboard chipsetDiffersIntel® QM87Intel® QS77 Express
Keyboard2 differ
Pointing deviceDiffersClickpadThinkPad UltraNav
Island-style keyboardKnown for oneYes
Keyboard layoutDiffersQWERTZQWERTY
Full-size keyboardKnown for oneYes
Keyboard languageKnown for oneSwiss
Software1 differ
Operating system installedDiffersWindows 7 ProfessionalWindows 8.1 Pro
Recovery operating systemKnown for oneWindows 8.1 Pro
Processor special features9 differ
Intel ME Firmware VersionKnown for one9.5
Intel Rapid Storage TechnologyDiffersNoYes
Intel Small Business Advantage (SBA) versionKnown for one1.00
Intel Smart Connect TechnologyDiffersNoYes
Intel Smart Connect Technology 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® High Definition Audio (Intel® HD Audio)DiffersNoYes
Intel® Small Business Advantage (Intel® SBA)Known for oneYes
Intel® Smart Response TechnologyDiffersNoYes
Processor ARK IDDiffers7893176616
Processor codeDiffersSR1PQSR1EA
Processor package sizeDiffers37.5 x 32 x 1.6 mm40 x 24 x 1.5 mm
Battery4 differ
Battery technologyDiffersLithium-Ion (Li-Ion)Lithium Polymer (LiPo)
Number of battery cellsDiffers98
Battery capacityDiffers99.9 Wh45 Wh
Battery life (max)Differs9 h8.6 h
Power1 differ
AC adapter powerDiffers135 W65 W
Weight & dimensions5 differ
WeightDiffers2.1 kg1.3 kg
WidthDiffers337 mm331 mm
DepthDiffers253 mm227 mm
Height (front)Differs2.9 cm1.7 cm
Height (rear)Differs3.5 cm2.2 cm
Other features1 differ
Intel segment taggingDiffersHome office, Small BusinessEnterprise, Small Business
Certificatesidentical
Compliance certificatesKnown for oneRoHS
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Gold, ENERGY STAR

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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