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Product comparison · 2 laptops

ASUS K55A-XB71 laptop Intel® Core™ i7 i7-3632QM vs ASUS Vivobook S551LB-DB71T-CA laptop Intel® Core™ i7 i7-4500U

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  • 140specifications compared
  • 54differ
  • 86identical
  • 46known for one product only

Key differences

  • Product colour
    • Black, Brown
    • Grey, Stainless steel
  • Touchscreen
    • No
    • Yes
  • Processor generation
    • 3rd gen Intel® Core™ i7
    • 4th gen Intel® Core™ i7
  • Processor model
    • i7-3632QM
    • i7-4500U
  • Processor cores
    • 4
    • 2
  • Processor threads
    • 8
    • 4
  • Processor boost frequency
    • 3.2 GHz
    • 3 GHz
  • Processor frequency
    • 2.2 GHz
    • 1.8 GHz

Side by side

Differences highlightedShow differences only
186 specifications
A

ASUS

K55A-XB71 laptop Intel® Core™ i7 i7-3632QM

Model K55A-XB71

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B

ASUS

Vivobook S551LB-DB71T-CA laptop Intel® Core™ i7 i7-4500U

Model S551LB-DB71T-CA

View product
Design1 differ
Product colourDiffersBlack, BrownGrey, Stainless steel
Display1 differ
TouchscreenDiffersNoYes
Touchscreen typeKnown for oneCapacitive
Touch technologyKnown for oneMulti-touch
LED backlightKnown for oneYes
Processor16 differ
Processor generationDiffers3rd gen Intel® Core™ i74th gen Intel® Core™ i7
Processor modelDiffersi7-3632QMi7-4500U
Processor coresDiffers42
Processor threadsDiffers84
Processor boost frequencyDiffers3.2 GHz3 GHz
Processor frequencyDiffers2.2 GHz1.8 GHz
Processor cacheDiffers6 MB4 MB
Processor socketDiffersSocket 1224BGA 1168
Processor seriesDiffersIntel Core i7-3600 Mobile seriesIntel Core i7-4500 Mobile series
Processor codenameDiffersIvy BridgeHaswell
Bus typeDiffersDMIDMI2
SteppingKnown for oneC0
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 one22
Memory3 differ
Internal memoryDiffers8 GB6 GB
Memory slotsDiffers2x SO-DIMM1x SO-DIMM
Maximum internal memoryDiffers16 GB8 GB
Memory form factorKnown for oneSO-DIMM
Maximum internal memory (64-bit)Known for one16 GB
Storage4 differ
Total storage capacityDiffers750 GB1 TB
Storage mediaDiffersHDDHDD+SSD
HDD capacityDiffers750 GB1 TB
Number of SSDs installedKnown for one1
SSD capacityKnown for one24 GB
Compatible memory cardsDiffersMMC, SDSD, SDHC
Graphics6 differ
Discrete graphics cardDiffersNoYes
Discrete graphics card modelDiffersNot availableNVIDIA® GeForce® GT 740M
Discrete graphics card memoryKnown for one2 GB
Discrete graphics memory typeKnown for oneGDDR3
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 dynamic frequency (max)Differs1150 MHz1100 MHz
On-board graphics card DirectX versionKnown for one12
On-board graphics card IDDiffers0x1660xA16
Audio1 differ
Audio systemDiffersSonic MasterSonicMaster Lite
Speakers manufacturerKnown for oneAltec Lansing
Cameraidentical
Front camera resolution (numeric)Known for one0.3 MP
Network1 differ
Bluetooth versionDiffers3.0+HS4.0
Top Wi-Fi standardKnown for oneWi-Fi 4 (802.11n)
Integrated 4G WiMAXKnown for oneYes
Ports & interfaces3 differ
eSATA/USB 2.0 ports quantityKnown for one0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one0
eSATA ports quantityKnown for one0
VGA (D-Sub) ports quantityDiffers10
Firewire (IEEE 1394) portsKnown for one0
Headphone outputsDiffers10
Combo headphone/mic portKnown for oneYes
Microphone inDiffersYesNo
Total number of SATA connectorsKnown for one4
Number of SATA III connectorsKnown for one4
Keyboardidentical
Island-style keyboardKnown for oneYes
Software1 differ
Operating system installedDiffersWindows 7 ProfessionalWindows 8
Drivers includedKnown for oneYes
Processor special features11 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 TechnologyDiffersNoYes
Intel Smart Connect Technology versionKnown for one1.00
Intel TSX-NIKnown for oneNo
Intel TSX-NI versionKnown for one0.00
Intel® High Definition Audio (Intel® HD Audio)DiffersNoYes
Intel® Matrix Storage Technology (Intel® MST)DiffersNoYes
Intel® Rapid Start TechnologyDiffersNoYes
Processor ARK IDDiffers7145875460
Processor codeKnown for oneSR16Z
Processor package sizeDiffers37.5 x 37.5 (rPGA988B)40 x 24 x 1.5 mm
Supported instruction setsDiffersAVXAVX 2.0, SSE4.1, SSE4.2
Graphics & IMC lithographyKnown for one22 nm
Intel® Active Management Technology (Intel® AMT)Known for oneNo
Intel® Small Business Advantage (Intel® SBA)Known for oneNo
Intel® Smart CacheKnown for oneYes
Intel® Smart Response TechnologyKnown for oneNo
Battery1 differ
Battery technologyKnown for oneLithium Polymer (LiPo)
Number of battery cellsDiffers63
Power1 differ
AC adapter output currentDiffers4.74 A3.42 A
Security1 differ
Password protection typeDiffersBIOS, HDDHDD, User
Password protectionKnown for oneYes
Weight & dimensions3 differ
WeightDiffers2.52 kg2.4 kg
WidthDiffers378 mm380 mm
DepthDiffers251 mm258 mm
HeightKnown for one22.5 mm
Height (front)Known for one2.55 cm
Height (rear)Known for one3.19 cm
Performanceidentical
Motherboard chipsetKnown for oneIntel HM76 Express
Packaging contentidentical
AC adapter includedKnown for oneYes
Cables includedKnown for oneAC
Warranty cardKnown for oneYes

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