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Product comparison · 2 laptops

Lenovo ThinkPad S540 Intel® Core™ i5 i5-4200U Laptop vs Lenovo ThinkPad T540p Intel® Core™ i5 i5-4200M Laptop

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  • 150specifications compared
  • 42differ
  • 108identical
  • 43known for one product only

Key differences

  • Processor model
    • i5-4200U
    • i5-4200M
  • Processor boost frequency
    • 2.6 GHz
    • 3.1 GHz
  • Processor frequency
    • 1.6 GHz
    • 2.5 GHz
  • Processor socket
    • BGA 1168
    • PGA946
  • Bus type
    • DMI2
    • DMI
  • Thermal Design Power (TDP)
    • 15 W
    • 37 W
  • Maximum number of PCI Express lanes
    • 12
    • 16
  • PCI Express configurations
    • 1x4, 2x4
    • 1x16, 2x8, 1x8+2x4

Side by side

Differences highlightedShow differences only
193 specifications
A

Lenovo

ThinkPad S540 Intel® Core™ i5 i5-4200U Laptop

Model S540

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B

Lenovo

ThinkPad T540p Intel® Core™ i5 i5-4200M Laptop

Model T540p

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Designidentical
Market positioningKnown for oneBusiness
Displayidentical
Display resolutionKnown for one1366 x 768 pixels
TouchscreenKnown for oneNo
HD typeKnown for oneNot supported
Native aspect ratioKnown for one16:9
Display brightnessKnown for one220 cd/m²
Dual-screenKnown for oneNo
Contrast ratio (typical)Known for one400:1
Processor9 differ
Processor modelDiffersi5-4200Ui5-4200M
Processor boost frequencyDiffers2.6 GHz3.1 GHz
Processor frequencyDiffers1.6 GHz2.5 GHz
System bus rateKnown for one5 GT/s
Processor socketDiffersBGA 1168PGA946
Bus typeDiffersDMI2DMI
Thermal Design Power (TDP)Differs15 W37 W
Maximum number of PCI Express lanesDiffers1216
PCI Express configurationsDiffers1x4, 2x41x16, 2x8, 1x8+2x4
PCI Express slots versionDiffers2.03.0
Memory1 differ
Internal memoryDiffers8 GB4 GB
Memory layout (slots x size)Known for one1 x 4 GB
Maximum internal memory (64-bit)Known for one16 GB
Storage4 differ
Total storage capacityDiffers1 TB500 GB
HDD capacityDiffers1 TB500 GB
HDD interfaceKnown for oneSATA II
HDD speedKnown for one7200 RPM
Optical drive typeDiffersNoDVD±RW
Compatible memory cardsDiffersMMC, SD, SDHC, SDXCMMC, RS-MMC, SD, SDIO
Graphics7 differ
Discrete graphics cardDiffersYesNo
Discrete graphics card modelDiffersAMD Radeon HD 8670MNot available
On-board graphics card modelDiffersIntel® HD Graphics 4400Intel® HD Graphics 4600
On-board graphics card base frequencyDiffers200 MHz400 MHz
On-board graphics card dynamic frequency (max)Differs1000 MHz1150 MHz
On-board graphics card DirectX versionDiffers1211.1
On-board graphics card IDDiffers0xA160x416
Discrete graphics card memoryKnown for one2 GB
Discrete graphics memory typeKnown for oneGDDR5
Number of discrete graphics cards installedKnown for one1
Number of discrete graphics cards supportedKnown for one1
Audio1 differ
Audio systemDiffersDolby Home Theater v4Dolby Advanced Audio v2
Speaker powerKnown for one2 W
Networkidentical
Wi-Fi data rate (max)Known for one300 Mbit/s
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers02
HDMI ports quantityDiffers10
Mini DisplayPorts quantityKnown for one1
VGA (D-Sub) ports quantityDiffers01
Headphone outputsDiffers01
Microphone inDiffersNoYes
ExpressCard slotDiffersNoYes
Total number of SATA connectorsKnown for one4
Number of SATA III connectorsKnown for one4
Performanceidentical
Motherboard chipsetKnown for oneIntel® QM87
Keyboardidentical
Pointing deviceKnown for oneTouchpad
Keyboard backlitKnown for oneYes
Softwareidentical
Recovery operating systemKnown for oneWindows 8 Pro
Processor special features7 differ
Intel Enhanced Halt StateDiffersYesNo
Intel Rapid Storage TechnologyDiffersYesNo
Intel® My WiFi Technology (Intel® MWT)DiffersYesNo
Intel® Smart CacheKnown for oneYes
Processor ARK IDDiffers7545976348
Processor codeDiffersSR170SR1HA
Processor package sizeDiffers40 x 24 x 1.5 mm37.5 x 37.5 x 4.7 mm
Supported instruction setsDiffersAVX 2.0AVX 2.0, SSE4.1, SSE4.2
Intel ME Firmware VersionKnown for one9.5
Intel Smart Connect TechnologyKnown for oneYes
Intel Smart Connect Technology versionKnown for one1.00
Intel® High Definition Audio (Intel® HD Audio)Known for oneYes
Intel® Matrix Storage Technology (Intel® MST)Known for oneNo
Battery4 differ
Battery technologyDiffersLithium Polymer (LiPo)Lithium-Ion (Li-Ion)
Number of battery cellsDiffers46
Battery capacityDiffers62.8 Wh56 Wh
Battery life (max)Differs9 h7 h
Poweridentical
AC adapter powerKnown for one65 W
Security1 differ
Cable lock slotDiffersYesNo
Trusted Platform Module (TPM)Known for oneYes
Password protectionKnown for oneYes
Password protection typeKnown for oneHDD, Power on, Supervisor
Certificatesidentical
Compliance certificatesKnown for oneRoHS
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Gold, ENERGY STAR
Weight & dimensions2 differ
WeightKnown for one2.41 kg
WidthDiffers379 mm376.6 mm
DepthDiffers253 mm248.1 mm
Height (front)Known for one2.99 cm
Height (rear)Known for one3.39 cm
Other featuresidentical
Intel segment taggingKnown for oneHome office, Small Business
Optical driveidentical
LightScribeKnown 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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