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Product comparison · 2 laptops

Lenovo G400s Touch vs Lenovo ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop

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  • 135specifications compared
  • 51differ
  • 84identical
  • 47known for one product only

Key differences

  • Display diagonal
    • 35.6 cm (14")
    • 39.6 cm (15.6")
  • Display resolution
    • 1366 x 768 pixels
    • 1920 x 1080 pixels
  • HD type
    • Not supported
    • Full HD
  • Processor family
    • Intel® Core™ i5
    • Intel® Core™ i7
  • Processor generation
    • 3rd gen Intel® Core™ i5
    • 4th gen Intel® Core™ i7
  • Processor model
    • i5-3230M
    • i7-4500U
  • Processor boost frequency
    • 3.2 GHz
    • 3 GHz
  • Processor frequency
    • 2.6 GHz
    • 1.8 GHz

Side by side

Differences highlightedShow differences only
182 specifications
A

Lenovo

G400s TouchView product
B

Lenovo

ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop

Model S540T

View product
Display3 differ
Display diagonalDiffers35.6 cm (14")39.6 cm (15.6")
Display resolutionDiffers1366 x 768 pixels1920 x 1080 pixels
HD typeDiffersNot supportedFull HD
Display brightnessKnown for one300 cd/m²
Touch technologyKnown for oneMulti-touch
Dual-screenKnown for oneNo
Processor16 differ
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffers3rd gen Intel® Core™ i54th gen Intel® Core™ i7
Processor modelDiffersi5-3230Mi7-4500U
Processor boost frequencyDiffers3.2 GHz3 GHz
Processor frequencyDiffers2.6 GHz1.8 GHz
Processor cacheDiffers3 MB4 MB
Processor socketDiffersBGA 1023BGA 1168
Processor seriesDiffersIntel Core i5-3200 Mobile seriesIntel Core i7-4500 Mobile series
Processor codenameDiffersIvy BridgeHaswell
Bus typeDiffersDMIDMI2
SteppingDiffersL1C0
Thermal Design Power (TDP)Differs35 W15 W
TjunctionDiffers105 °C100 °C
Maximum number of PCI Express lanesDiffers1612
PCI Express configurationsDiffers1x16, 2x8, 1x8+2x42x4
PCI Express slots versionDiffers3.02.0
System bus rateKnown for one5 GT/s
CPU multiplier (bus/core ratio)Known for one26
Memory2 differ
Internal memoryDiffers4 GB8 GB
Memory layout (slots x size)Differs1 x 4 GB1 x 8 GB
Memory slotsKnown for one2x SO-DIMM
Maximum internal memoryKnown for one16 GB
Storage4 differ
Total storage capacityDiffers1 TB256 GB
Storage mediaDiffersHDDSSD
Number of SSDs installedKnown for one1
SSD capacityKnown for one256 GB
Optical drive typeDiffersDVD±RWNo
Compatible memory cardsDiffersMMC, SDMMC, SD, SDHC, SDXC
Number of HDDs installedKnown for one1
HDD capacityKnown for one1 TB
HDD interfaceKnown for oneSATA
HDD speedKnown for one5400 RPM
Graphics3 differ
Discrete graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneAMD Radeon HD 8670M
Discrete graphics card memoryKnown for one2 GB
On-board graphics card modelDiffersIntel® HD Graphics 4000Intel® HD Graphics 4400
Maximum on-board graphics card memoryKnown for one1.74 GB
On-board graphics card base frequencyDiffers650 MHz200 MHz
On-board graphics card DirectX versionKnown for one12
On-board graphics card IDDiffers0x1660xA16
Audio1 differ
Audio systemDiffersDolby Advanced AudioDolby Home Theater v4
Optical driveidentical
LightScribeKnown for oneNo
Network2 differ
Ethernet LAN data ratesDiffers10,100 Mbit/s10,100,1000 Mbit/s
BluetoothDiffersNoYes
Bluetooth versionKnown for one4.0
Networking standardsKnown for oneIEEE 802.11b, IEEE 802.11g, IEEE 802.11n
Integrated 4G WiMAXKnown for oneYes
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers10
VGA (D-Sub) ports quantityDiffers10
Headphone outputsDiffers10
Microphone inDiffersYesNo
Docking connectorKnown for oneNo
Total number of SATA connectorsKnown for one4
Number of SATA III connectorsKnown for one4
Thunderbolt 2 ports quantityKnown for one0
Keyboard2 differ
Pointing deviceDiffersTouchpadThinkPad UltraNav
Keyboard backlitKnown for oneYes
Numeric keypadDiffersNoYes
Full-size keyboardKnown for oneYes
Island-style keyboardKnown for oneYes
Software1 differ
Operating system installedDiffersWindows 8Windows 8 Pro
Processor special features8 differ
Intel Dual Display Capable TechnologyDiffersYesNo
Intel Fast Memory AccessDiffersYesNo
Intel Flex Memory AccessDiffersYesNo
Intel ME Firmware VersionKnown for one9.5
Intel Rapid Storage TechnologyDiffersNoYes
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® Active Management Technology (Intel® AMT)Known for oneNo
Intel® High Definition Audio (Intel® HD Audio)Known for oneYes
Intel® Matrix Storage Technology (Intel® MST)Known for oneYes
Intel® Rapid Start TechnologyKnown for oneNo
Intel® Small Business Advantage (Intel® SBA)Known for oneNo
Intel® Smart Response TechnologyKnown for oneNo
Processor ARK IDDiffers7205675460
Processor codeDiffersSR0WXSR16Z
Processor package sizeDiffers31 x 24 (BGA1023)40 x 24 x 1.5 mm
Supported instruction setsDiffersAVXAVX 2.0, SSE4.1, SSE4.2
Graphics & IMC lithographyKnown for one22 nm
Intel® Smart CacheKnown for oneYes
Battery1 differ
Battery technologyKnown for oneLithium Polymer (LiPo)
Battery life (max)Differs4 h9 h
Battery capacityKnown for one41 Wh
Securityidentical
Fingerprint readerKnown for oneYes
Weight & dimensions4 differ
WeightDiffers2.5 kg2.11 kg
WidthDiffers349 mm379 mm
DepthDiffers244 mm253 mm
HeightDiffers26.9 mm22.7 mm
Packaging contentidentical
ManualKnown for oneYes
Quick start guideKnown 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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