Product comparison · 2 laptops

Lenovo ThinkPad 540 Intel® Core™ i7 i7-4500U vs Lenovo ThinkPad X140E AMD E E1-2500 Laptop

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  • 67specifications compared
  • 40differ
  • 27identical
  • 110known for one product only

Key differences

  • Display diagonal
    • ThinkPad 540 Intel® Core™ i7 i7-4500U:35.6 cm (14")
    • ThinkPad X140E AMD E E1-2500 Laptop:29.5 cm (11.6")
  • Display resolution
    • ThinkPad 540 Intel® Core™ i7 i7-4500U:1920 x 1080 pixels
    • ThinkPad X140E AMD E E1-2500 Laptop:1366 x 768 pixels
  • Touchscreen
    • ThinkPad 540 Intel® Core™ i7 i7-4500U:Yes
    • ThinkPad X140E AMD E E1-2500 Laptop:No
  • Processor manufacturer
    • ThinkPad 540 Intel® Core™ i7 i7-4500U:Intel
    • ThinkPad X140E AMD E E1-2500 Laptop:AMD
  • Processor family
    • ThinkPad 540 Intel® Core™ i7 i7-4500U:Intel® Core™ i7
    • ThinkPad X140E AMD E E1-2500 Laptop:AMD E
  • Processor model
    • ThinkPad 540 Intel® Core™ i7 i7-4500U:i7-4500U
    • ThinkPad X140E AMD E E1-2500 Laptop:E1-2500
  • Processor threads
    • ThinkPad 540 Intel® Core™ i7 i7-4500U:4
    • ThinkPad X140E AMD E E1-2500 Laptop:2
  • Processor frequency
    • ThinkPad 540 Intel® Core™ i7 i7-4500U:1.8 GHz
    • ThinkPad X140E AMD E E1-2500 Laptop:1.4 GHz

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Comparison of 540, X140E
177 specifications
Designidentical
Product colourBlackBlack
Form factorClamshellClamshell
Product typeKnown for oneUnknown — not stated by the sourceLaptop
Display3 differ
Display diagonalDiffers35.6 cm (14")29.5 cm (11.6")
Display resolutionDiffers1920 x 1080 pixels1366 x 768 pixels
TouchscreenDiffersYesNo
HD typeKnown for oneFull HDUnknown — not stated by the source
Touch technologyKnown for oneMulti-touchUnknown — not stated by the source
LED backlightYesYes
Native aspect ratio16:916:9
Display surfaceKnown for oneMattUnknown — not stated by the source
Contrast ratio (typical)Known for oneUnknown — not stated by the source500:1
Processor7 differ
Processor manufacturerDiffersIntelAMD
Processor familyDiffersIntel® Core™ i7AMD E
Processor generationKnown for one4th gen Intel® Core™ i7Unknown — not stated by the source
Processor modelDiffersi7-4500UE1-2500
Processor cores22
Processor threadsDiffers42
Processor boost frequencyKnown for one3 GHzUnknown — not stated by the source
Processor frequencyDiffers1.8 GHz1.4 GHz
Processor cacheDiffers4 MB1 MB
Processor cache typeDiffersSmart CacheL2
Processor socketKnown for oneBGA 1168Unknown — not stated by the source
Processor lithographyKnown for one22 nmUnknown — not stated by the source
Processor operating modesKnown for one64-bitUnknown — not stated by the source
Processor seriesKnown for oneIntel Core i7-4500 Mobile seriesUnknown — not stated by the source
Processor codenameKnown for oneHaswellUnknown — not stated by the source
Bus typeKnown for oneDMI2Unknown — not stated by the source
FSB ParityKnown for oneNoUnknown — not stated by the source
SteppingKnown for oneC0Unknown — not stated by the source
Thermal Design Power (TDP)Known for one15 WUnknown — not stated by the source
TjunctionKnown for one100 °CUnknown — not stated by the source
Maximum number of PCI Express lanesKnown for one12Unknown — not stated by the source
PCI Express configurationsKnown for one2x4Unknown — not stated by the source
PCI Express slots versionKnown for one2.0Unknown — not stated by the source
ECC supported by processorKnown for oneNoUnknown — not stated by the source
Memory2 differ
Internal memoryDiffers8 GB2 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory clock speedKnown for one1600 MHzUnknown — not stated by the source
Memory slotsDiffers1x SO-DIMM2x SO-DIMM
Maximum internal memory8 GB8 GB
Memory form factorKnown for oneUnknown — not stated by the sourceSO-DIMM
Memory layout (slots x size)Known for oneUnknown — not stated by the source1 x 2 GB
Storage2 differ
Total storage capacityDiffers256 GB320 GB
Storage mediaDiffersSSDHDD
Number of HDDs installed11
Number of SSDs installedKnown for one1Unknown — not stated by the source
Optical drive typeNoNo
Card reader integratedYesYes
HDD capacityKnown for oneUnknown — not stated by the source320 GB
HDD interfaceKnown for oneUnknown — not stated by the sourceSATA
HDD speedKnown for oneUnknown — not stated by the source7200 RPM
Compatible memory cardsKnown for oneUnknown — not stated by the sourceMMC, SD, SDHC, SDXC
Graphics2 differ
On-board graphics cardYesYes
On-board graphics card familyDiffersIntel® HD GraphicsAMD Radeon HD 8000
On-board graphics card modelDiffersIntel® HD Graphics 4400AMD Radeon HD 8240
Maximum on-board graphics card memoryKnown for one1.74 GBUnknown — not stated by the source
On-board graphics card base frequencyKnown for one200 MHzUnknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one1100 MHzUnknown — not stated by the source
On-board graphics card DirectX versionKnown for one12Unknown — not stated by the source
On-board graphics card IDKnown for one0xA16Unknown — not stated by the source
Discrete graphics cardKnown for oneUnknown — not stated by the sourceNo
Discrete graphics card modelKnown for oneUnknown — not stated by the sourceNot available
Audio1 differ
Number of built-in speakers22
Speaker powerDiffers1 W2 W
Built-in microphoneYesYes
Audio systemKnown for oneUnknown — not stated by the sourceDolby Advanced Audio v2
Cameraidentical
Front cameraYesYes
Optical driveidentical
LightScribeNoNo
Networkidentical
Wi-FiYesYes
Ethernet LANYesYes
BluetoothYesYes
WWANKnown for oneInstalledUnknown — not stated by the source
Wi-Fi standardsKnown for oneUnknown — not stated by the source802.11a, 802.11b, 802.11g
Ethernet LAN data ratesKnown for oneUnknown — not stated by the source10,100,1000 Mbit/s
Bluetooth versionKnown for oneUnknown — not stated by the source4.0
Ports & interfaces2 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
DisplayPorts quantityDiffers10
Headphone outputsKnown for one1Unknown — not stated by the source
Microphone inDiffersYesNo
Total number of SATA connectorsKnown for one4Unknown — not stated by the source
Number of SATA III connectorsKnown for one4Unknown — not stated by the source
USB 2.0 ports quantityKnown for oneUnknown — not stated by the source1
eSATA/USB 2.0 ports quantityKnown for oneUnknown — not stated by the source0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for oneUnknown — not stated by the source0
eSATA ports quantityKnown for oneUnknown — not stated by the source0
DVI portKnown for oneUnknown — not stated by the sourceNo
VGA (D-Sub) ports quantityKnown for oneUnknown — not stated by the source1
Firewire (IEEE 1394) portsKnown for oneUnknown — not stated by the source0
Thunderbolt ports quantityKnown for oneUnknown — not stated by the source0
S/PDIF out portKnown for oneUnknown — not stated by the sourceNo
Combo headphone/mic portKnown for oneUnknown — not stated by the sourceYes
Docking connectorKnown for oneUnknown — not stated by the sourceNo
ExpressCard slotKnown for oneUnknown — not stated by the sourceNo
CardBus PCMCIA slots quantityKnown for oneUnknown — not stated by the source0
CardBus PCMCIA slot typeKnown for oneUnknown — not stated by the sourceNo
SmartCard slotKnown for oneUnknown — not stated by the sourceNo
USB Sleep-and-ChargeKnown for oneUnknown — not stated by the sourceYes
USB Sleep-and-Charge portsKnown for oneUnknown — not stated by the source1
Keyboard1 differ
Pointing deviceDiffersTouchpadThinkPad UltraNav
Keyboard backlitKnown for oneYesUnknown — not stated by the source
Numeric keypadKnown for oneUnknown — not stated by the sourceNo
Spill-resistant keyboardKnown for oneUnknown — not stated by the sourceYes
Full-size keyboardKnown for oneUnknown — not stated by the sourceYes
Windows keysKnown for oneUnknown — not stated by the sourceYes
Softwareidentical
Operating system installedWindows 8Windows 8
Operating system architecture64-bit64-bit
Processor special features13 differ
Intel® Wireless Display (Intel® WiDi)DiffersYesNo
CPU configuration (max)Known for one1Unknown — not stated by the source
Embedded options availableKnown for oneNoUnknown — not stated by the source
Enhanced Intel SpeedStep TechnologyKnown for oneYesUnknown — not stated by the source
Execute Disable BitKnown for oneYesUnknown — not stated by the source
Idle StatesKnown for oneYesUnknown — not stated by the source
Intel 64Known for oneYesUnknown — not stated by the source
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingKnown for oneNoUnknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for oneNoUnknown — not stated by the source
Intel Enhanced Halt StateKnown for oneYesUnknown — not stated by the source
Intel FDI TechnologyKnown for oneYesUnknown — not stated by the source
Intel Fast Memory AccessKnown for oneNoUnknown — not stated by the source
Intel Flex Memory AccessKnown for oneNoUnknown — not stated by the source
Intel Identity Protection Technology versionKnown for one1.00Unknown — not stated by the source
Intel ME Firmware VersionKnown for one9.5Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for oneYesUnknown — not stated by the source
Intel Secure Key Technology versionKnown for one1.00Unknown — not stated by the source
Intel Smart Connect TechnologyDiffersYesNo
Intel Smart Connect Technology versionKnown for one1.00Unknown — not stated by the source
Intel TSX-NIKnown for oneNoUnknown — not stated by the source
Intel TSX-NI versionKnown for one0.00Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for oneNoUnknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for oneYesUnknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for oneYesUnknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneNoUnknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for oneYesUnknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)DiffersYesNo
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersYesNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® High Definition Audio (Intel® HD Audio)DiffersYesNo
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersYesNo
Intel® Identity Protection Technology (Intel® IPT)DiffersYesNo
Intel® InTru™ 3D TechnologyDiffersYesNo
Intel® Insider™DiffersYesNo
Intel® Matrix Storage Technology (Intel® MST)DiffersYesNo
Intel® My WiFi Technology (Intel® MWT)DiffersYesNo
Intel® Quick Sync Video TechnologyDiffersYesNo
Intel® Secure KeyKnown for oneYesUnknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers2.0No
Processor ARK IDKnown for one75460Unknown — not stated by the source
Processor codeKnown for oneSR16ZUnknown — not stated by the source
Processor package sizeKnown for one40 x 24 x 1.5 mmUnknown — not stated by the source
Supported instruction setsKnown for oneAVX 2.0, SSE4.1, SSE4.2Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for oneYesUnknown — not stated by the source
Conflict-Free processorKnown for oneYesUnknown — not stated by the source
Intel® Active Management Technology (Intel® AMT)Known for oneUnknown — not stated by the sourceNo
Intel® Rapid Start TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel® Small Business Advantage (Intel® SBA)Known for oneUnknown — not stated by the sourceNo
Intel® Smart Response TechnologyKnown for oneUnknown — not stated by the sourceNo
Battery2 differ
Battery technologyLithium-Ion (Li-Ion)Lithium-Ion (Li-Ion)
Number of battery cellsDiffers46
Battery life (max)Differs9 h8.5 h
Battery capacityKnown for oneUnknown — not stated by the source82 Wh
Poweridentical
DC-in jackYesYes
AC adapter powerKnown for oneUnknown — not stated by the source65 W
Security1 differ
Cable lock slotDiffersYesNo
Password protectionKnown for oneUnknown — not stated by the sourceYes
Password protection typeKnown for oneUnknown — not stated by the sourceHDD, Power on, Supervisor
Weight & dimensions4 differ
WeightDiffers2.36 kg1.78 kg
WidthDiffers379 mm293.4 mm
DepthDiffers252 mm216 mm
HeightDiffers22.8 mm35 mm
Other featuresidentical
3DKnown for oneNoUnknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for oneUnknown — not stated by the sourceRoHS
Sustainabilityidentical
Sustainability certificatesKnown for oneUnknown — not stated by the sourceEPEAT Gold, ENERGY STAR
Packaging contentidentical
AC adapter includedKnown for oneUnknown — not stated by the sourceYes
ManualKnown for oneUnknown — not stated by the sourceYes

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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