Product comparison · 2 laptops

ASUSPRO BU400A-W3100X laptop Intel® Core™ i3 i3-3217U vs Lenovo ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop

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  • 135specifications compared
  • 51differ
  • 84identical
  • 56known for one product only

Key differences

  • Display diagonal
    • ASUSPRO BU400A-W3100X laptop Intel® Core™ i3 i3-3217U:35.6 cm (14")
    • ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop:39.6 cm (15.6")
  • Display resolution
    • ASUSPRO BU400A-W3100X laptop Intel® Core™ i3 i3-3217U:1366 x 768 pixels
    • ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop:1920 x 1080 pixels
  • Touchscreen
    • ASUSPRO BU400A-W3100X laptop Intel® Core™ i3 i3-3217U:No
    • ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop:Yes
  • HD type
    • ASUSPRO BU400A-W3100X laptop Intel® Core™ i3 i3-3217U:Not supported
    • ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop:Full HD
  • Processor family
    • ASUSPRO BU400A-W3100X laptop Intel® Core™ i3 i3-3217U:Intel® Core™ i3
    • ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop:Intel® Core™ i7
  • Processor generation
    • ASUSPRO BU400A-W3100X laptop Intel® Core™ i3 i3-3217U:3rd gen Intel® Core™ i3
    • ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop:4th gen Intel® Core™ i7
  • Processor model
    • ASUSPRO BU400A-W3100X laptop Intel® Core™ i3 i3-3217U:i3-3217U
    • ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop:i7-4500U
  • Processor cache
    • ASUSPRO BU400A-W3100X laptop Intel® Core™ i3 i3-3217U:3 MB
    • ThinkPad S540T Intel® Core™ i7 i7-4500U Laptop:4 MB

Side by side

Differences highlightedShow differences only (on)
Comparison of BU400A-W3100X, S540T
191 specifications
Designidentical
Market positioningKnown for oneBusinessUnknown — not stated by the source
Display4 differ
Display diagonalDiffers35.6 cm (14")39.6 cm (15.6")
Display resolutionDiffers1366 x 768 pixels1920 x 1080 pixels
TouchscreenDiffersNoYes
HD typeDiffersNot supportedFull HD
Display brightnessKnown for oneUnknown — not stated by the source300 cd/m²
Processor13 differ
Processor familyDiffersIntel® Core™ i3Intel® Core™ i7
Processor generationDiffers3rd gen Intel® Core™ i34th gen Intel® Core™ i7
Processor modelDiffersi3-3217Ui7-4500U
Processor boost frequencyKnown for oneUnknown — not stated by the source3 GHz
Processor cacheDiffers3 MB4 MB
Processor socketDiffersBGA 1023BGA 1168
Processor seriesDiffersIntel Core i3-3200 Mobile SeriesIntel Core i7-4500 Mobile series
Processor codenameDiffersIvy BridgeHaswell
Bus typeDiffersDMIDMI2
SteppingDiffersL1C0
Thermal Design Power (TDP)Differs17 W15 W
TjunctionDiffers105 °C100 °C
Maximum number of PCI Express lanesDiffers1612
PCI Express configurationsDiffers1x16, 2x8, 1x8+2x42x4
System bus rateKnown for one5 GT/sUnknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one18Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers4 GB8 GB
Memory layout (slots x size)Known for oneUnknown — not stated by the source1 x 8 GB
Memory slotsDiffers1x SO-DIMM2x SO-DIMM
Maximum internal memoryDiffers12 GB16 GB
Memory form factorKnown for oneOn-board + SO-DIMMUnknown — not stated by the source
Storage4 differ
Total storage capacityDiffers320 GB256 GB
Storage mediaDiffersHDD+SSDSSD
SSD capacityDiffers32 GB256 GB
Compatible memory cardsDiffersMMC, SDMMC, SD, SDHC, SDXC
Number of HDDs installedKnown for one1Unknown — not stated by the source
HDD capacityKnown for one320 GBUnknown — not stated by the source
HDD interfaceKnown for oneSATA IIIUnknown — not stated by the source
HDD speedKnown for one5400 RPMUnknown — not stated by the source
HDD sizeKnown for one2.5"Unknown — not stated by the source
Graphics6 differ
Discrete graphics cardDiffersNoYes
Discrete graphics card modelDiffersNot availableAMD Radeon HD 8670M
Discrete graphics card memoryKnown for oneUnknown — not stated by the source2 GB
On-board graphics card modelDiffersIntel® HD Graphics 4000Intel® HD Graphics 4400
Maximum on-board graphics card memoryKnown for oneUnknown — not stated by the source1.74 GB
On-board graphics card base frequencyDiffers350 MHz200 MHz
On-board graphics card dynamic frequency (max)Differs1050 MHz1100 MHz
On-board graphics card DirectX versionKnown for oneUnknown — not stated by the source12
On-board graphics card IDDiffers0x1660xA16
Audio1 differ
Audio systemDiffersSonicMaster LiteDolby Home Theater v4
Cameraidentical
Front camera resolutionKnown for oneUnknown — not stated by the source1280 x 720 pixels
Networkidentical
Top Wi-Fi standardKnown for oneWi-Fi 4 (802.11n)Unknown — not stated by the source
Integrated 4G WiMAXKnown for oneYesUnknown — not stated by the source
Ports & interfaces2 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers32
VGA (D-Sub) ports quantityDiffers10
Total number of SATA connectorsKnown for oneUnknown — not stated by the source4
Number of SATA III connectorsKnown for oneUnknown — not stated by the source4
Keyboard2 differ
Pointing deviceDiffersTouchpadThinkPad UltraNav
Keyboard backlitKnown for oneUnknown — not stated by the sourceYes
Numeric keypadDiffersNoYes
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
Software1 differ
Operating system installedDiffersWindows 7 ProfessionalWindows 8 Pro
Processor special features11 differ
Intel Dual Display Capable TechnologyDiffersYesNo
Intel Fast Memory AccessDiffersYesNo
Intel Flex Memory AccessDiffersYesNo
Intel ME Firmware VersionKnown for oneUnknown — not stated by the source9.5
Intel Rapid Storage TechnologyDiffersNoYes
Intel Secure Key Technology versionKnown for oneUnknown — not stated by the source1.00
Intel Smart Connect TechnologyKnown for oneUnknown — not stated by the sourceYes
Intel Smart Connect Technology versionKnown for oneUnknown — not stated by the source1.00
Intel TSX-NIKnown for oneUnknown — not stated by the sourceNo
Intel TSX-NI versionKnown for oneUnknown — not stated by the source0.00
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Active Management Technology (Intel® AMT)Known for oneUnknown — not stated by the sourceNo
Intel® High Definition Audio (Intel® HD Audio)Known for oneUnknown — not stated by the sourceYes
Intel® Matrix Storage Technology (Intel® MST)Known for oneUnknown — not stated by the sourceYes
Intel® Rapid Start TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel® Secure KeyKnown for oneUnknown — not stated by the sourceYes
Intel® Small Business Advantage (Intel® SBA)DiffersYesNo
Intel® Smart Response TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel® Turbo Boost TechnologyDiffersNo2.0
Processor ARK IDDiffers6569775460
Processor codeDiffersSR0N9SR16Z
Processor package sizeDiffers31 x 24 mm40 x 24 x 1.5 mm
Supported instruction setsDiffersAVXAVX 2.0, SSE4.1, SSE4.2
Graphics & IMC lithographyKnown for one22 nmUnknown — not stated by the source
Intel® Smart CacheKnown for oneYesUnknown — not stated by the source
Batteryidentical
Battery technologyKnown for oneUnknown — not stated by the sourceLithium Polymer (LiPo)
Battery life (max)Known for oneUnknown — not stated by the source9 h
Battery capacityKnown for one53 WhUnknown — not stated by the source
Poweridentical
AC adapter powerKnown for one65 WUnknown — not stated by the source
AC adapter output voltageKnown for one19 VUnknown — not stated by the source
Security1 differ
Cable lock slotDiffersYesNo
Fingerprint readerKnown for oneUnknown — not stated by the sourceYes
Cable lock slot typeKnown for oneKensingtonUnknown — not stated by the source
Trusted Platform Module (TPM)Known for oneYesUnknown — not stated by the source
Password protectionKnown for oneYesUnknown — not stated by the source
Password protection typeKnown for oneBIOS, HDD, UserUnknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers1.64 kg2.11 kg
WidthDiffers339 mm379 mm
DepthDiffers234 mm253 mm
HeightKnown for oneUnknown — not stated by the source22.7 mm
Height (front)Known for one1.98 cmUnknown — not stated by the source
Height (rear)Known for one2.05 cmUnknown — not stated by the source
Packaging contentidentical
Power cord includedKnown for oneUnknown — not stated by the sourceYes
Certificatesidentical
Compliance certificatesKnown for oneRoHSUnknown — not stated by the source
CertificationKnown for oneUL, TUV, CE, FCC, BSMI, C-TICK / NZ A-Tick, CCC, GOST-R, CB, EPEAT, IDA, CECP, WEEE, Erp 2013, FIPS 201, TCO4.0, JATEUnknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STARUnknown — not stated by the source
Other featuresidentical
Intel segment taggingKnown for oneEnterprise, ProfessionalUnknown — not stated by the source

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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