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Product comparison · 2 laptops

ASUS K551LB-XX277D laptop Intel® Core™ i7 i7-4500U vs ASUS X551CA-SI30403X laptop Intel® Core™ i3 i3-3217U

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  • 113specifications compared
  • 40differ
  • 73identical
  • 55known for one product only

Key differences

  • Product colour
    • Black, Silver
    • Black
  • Processor family
    • Intel® Core™ i7
    • Intel® Core™ i3
  • Processor generation
    • 4th gen Intel® Core™ i7
    • 3rd gen Intel® Core™ i3
  • Processor model
    • i7-4500U
    • i3-3217U
  • Processor cache
    • 4 MB
    • 3 MB
  • Processor socket
    • BGA 1168
    • BGA 1023
  • Processor codename
    • Haswell
    • Ivy Bridge
  • Bus type
    • DMI2
    • DMI

Side by side

Differences highlightedShow differences only
168 specifications
A

ASUS

K551LB-XX277D laptop Intel® Core™ i7 i7-4500U

Model K551LB-XX277D

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B

ASUS

X551CA-SI30403X laptop Intel® Core™ i3 i3-3217U

Model X551CA-SI30403X

View product
Design1 differ
Product colourDiffersBlack, SilverBlack
Displayidentical
TouchscreenKnown for oneNo
Processor13 differ
Processor familyDiffersIntel® Core™ i7Intel® Core™ i3
Processor generationDiffers4th gen Intel® Core™ i73rd gen Intel® Core™ i3
Processor modelDiffersi7-4500Ui3-3217U
Processor boost frequencyKnown for one3 GHz
Processor cacheDiffers4 MB3 MB
Processor socketDiffersBGA 1168BGA 1023
Processor seriesDiffersIntel Core i7-4500 Mobile seriesIntel Core i3-3200 Mobile Series
Processor codenameDiffersHaswellIvy Bridge
Bus typeDiffersDMI2DMI
FSB ParityKnown for oneNo
SteppingDiffersC0L1
Thermal Design Power (TDP)Differs15 W17 W
TjunctionDiffers100 °C105 °C
Maximum number of PCI Express lanesDiffers1216
PCI Express configurationsDiffers2x41x16, 2x8, 1x8+2x4
System bus rateKnown for one5 GT/s
CPU multiplier (bus/core ratio)Known for one18
Memory1 differ
Internal memory typeDiffersDDR3L-SDRAMDDR3-SDRAM
Memory form factorKnown for oneOn-board + SO-DIMM
Memory slotsKnown for one1x SO-DIMM
Maximum internal memoryKnown for one8 GB
Storage1 differ
Number of HDDs installedKnown for one1
HDD capacityKnown for one500 GB
HDD speedKnown for one5400 RPM
Compatible memory cardsDiffersSD, SDHCMMC, SD
Graphics6 differ
Discrete graphics cardDiffersYesNo
Discrete graphics card modelDiffersNVIDIA® GeForce® GT 740MNot available
Discrete graphics card memoryKnown for one2 GB
Discrete graphics memory typeKnown for oneGDDR3
On-board graphics card modelDiffersIntel® HD Graphics 4400Intel® HD Graphics 4000
Maximum on-board graphics card memoryKnown for one1.74 GB
On-board graphics card base frequencyDiffers200 MHz350 MHz
On-board graphics card dynamic frequency (max)Differs1100 MHz1050 MHz
On-board graphics card DirectX versionKnown for one12
On-board graphics card IDDiffers0xA160x166
Audioidentical
Audio systemKnown for oneSonicMaster Lite
Number of built-in speakersKnown for one2
Network1 differ
Ethernet LAN data ratesDiffers10,100,1000 Mbit/s10,100 Mbit/s
BluetoothKnown for oneYes
Bluetooth versionKnown for one4.0
Integrated 4G WiMAXKnown for oneYes
Ports & interfaces1 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers21
Headphone outputsKnown for one1
S/PDIF out portKnown for oneNo
Microphone inKnown for oneYes
ExpressCard slotKnown for oneNo
CardBus PCMCIA slots quantityKnown for one0
CardBus PCMCIA slot typeKnown for oneNo
SmartCard slotKnown for oneNo
Total number of SATA connectorsKnown for one4
Number of SATA III connectorsKnown for one4
Combo headphone/mic portKnown for oneYes
Keyboardidentical
Full-size keyboardKnown for oneYes
Software1 differ
Operating system installedDiffersFreeDOSWindows 8
Processor special features9 differ
Intel Clear Video TechnologyKnown for oneNo
Intel Dual Display Capable TechnologyDiffersNoYes
Intel Fast Memory AccessDiffersNoYes
Intel Flex Memory AccessDiffersNoYes
Intel ME Firmware VersionKnown for one9.5
Intel Rapid Storage TechnologyKnown for oneYes
Intel Secure Key Technology versionKnown for one1.00
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® AES New Instructions (Intel® AES-NI)DiffersYesNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneNo
Intel® High Definition Audio (Intel® HD Audio)Known for oneYes
Intel® Matrix Storage Technology (Intel® MST)Known for oneYes
Intel® Secure KeyKnown for oneYes
Intel® Turbo Boost TechnologyDiffers2.0No
Processor ARK IDDiffers7546065697
Processor codeDiffersSR16ZSR0N9
Processor package sizeDiffers40 x 24 x 1.5 mm31 x 24 mm
Supported instruction setsDiffersAVX 2.0, SSE4.1, SSE4.2AVX
Graphics & IMC lithographyKnown for one22 nm
Intel® Smart CacheKnown for oneYes
Battery2 differ
Battery technologyKnown for oneLithium Polymer (LiPo)
Number of battery cellsDiffers34
Battery capacityDiffers50 Wh37 Wh
Power2 differ
AC adapter powerDiffers65 W45 W
AC adapter output currentDiffers3.42 A2.37 A
Securityidentical
Password protectionKnown for oneYes
Password protection typeKnown for oneBIOS, HDD, User
Weight & dimensions2 differ
WeightDiffers2.4 kg2.15 kg
DepthDiffers258 mm251 mm
HeightKnown for one22.5 mm
Height (front)Known for one3.09 cm
Height (rear)Known for one3.66 cm
Other featuresidentical
3DKnown for oneNo
Certificatesidentical
Compliance certificatesKnown for oneRoHS
CertificationKnown for oneUL, CE Marking Compliance, FCC Compliance, BSMI, CCC, CB, EPEAT, Energy star, CECP, RoHS, JATE
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR

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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