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Product comparison · 2 laptops

ASUS Vivobook S400CA-DB51T laptop Intel® Core™ i5 i5-3337U vs ASUS Vivobook V551LB-DB71T laptop Intel® Core™ i7 i7-4500U

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  • 139specifications compared
  • 46differ
  • 93identical
  • 40known for one product only

Key differences

The ASUS Vivobook V551LB-DB71T laptop Intel® Core™ i7 i7-4500U has 0.3 GHz more processor boost frequency than the ASUS Vivobook S400CA-DB51T laptop Intel® Core™ i5 i5-3337U (3 GHz vs 2.7 GHz). The ASUS Vivobook V551LB-DB71T laptop Intel® Core™ i7 i7-4500U has 1 MB more processor cache than the ASUS Vivobook S400CA-DB51T laptop Intel® Core™ i5 i5-3337U (4 MB vs 3 MB). The ASUS Vivobook S400CA-DB51T laptop Intel® Core™ i5 i5-3337U has 2 W more thermal Design Power (TDP) than the ASUS Vivobook V551LB-DB71T laptop Intel® Core™ i7 i7-4500U (17 W vs 15 W). Only the ASUS Vivobook V551LB-DB71T laptop Intel® Core™ i7 i7-4500U has discrete graphics card. Only the ASUS Vivobook V551LB-DB71T laptop Intel® Core™ i7 i7-4500U has numeric keypad.

  • Product colour
    • Black, Metallic
    • Grey, Stainless steel
  • Display diagonal
    • 35.6 cm (14")
    • 39.6 cm (15.6")
  • Processor family
    • Intel® Core™ i5
    • Intel® Core™ i7
  • Processor generation
    • 3rd gen Intel® Core™ i5
    • 4th gen Intel® Core™ i7
  • Processor model
    • i5-3337U
    • i7-4500U
  • Processor boost frequency
    • 2.7 GHz
    • 3 GHz
  • Processor cache
    • 3 MB
    • 4 MB
  • Processor socket
    • BGA 1023
    • BGA 1168

Side by side

Differences highlightedShow differences only
179 specifications
A

ASUS

Vivobook S400CA-DB51T laptop Intel® Core™ i5 i5-3337U

Model S400CA-DB51T

View product
B

ASUS

Vivobook V551LB-DB71T laptop Intel® Core™ i7 i7-4500U

Model V551LB-DB71T

View product
Design1 differ
Product typeLaptopLaptop
Product colourDiffersBlack, MetallicGrey, Stainless steel
Form factorClamshellClamshell
Display1 differ
Display diagonalDiffers35.6 cm (14")39.6 cm (15.6")
Display resolution1366 x 768 pixels1366 x 768 pixels
TouchscreenYesYes
HD typeHDHD
LED backlightYesYes
Native aspect ratio16:916:9
Touchscreen typeKnown for oneCapacitive
Touch technologyKnown for oneMulti-touch
Processor14 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffers3rd gen Intel® Core™ i54th gen Intel® Core™ i7
Processor modelDiffersi5-3337Ui7-4500U
Processor cores22
Processor threads44
Processor boost frequencyDiffers2.7 GHz3 GHz
Processor frequency1.8 GHz1.8 GHz
System bus rateKnown for one5 GT/s
Processor cacheDiffers3 MB4 MB
Processor cache typeSmart CacheSmart Cache
Processor socketDiffersBGA 1023BGA 1168
Processor lithography22 nm22 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core i5-3300 Mobile seriesIntel Core i7-4500 Mobile series
Processor codenameDiffersIvy BridgeHaswell
Bus typeDiffersDMIDMI2
FSB ParityNoNo
SteppingDiffersL1C0
Thermal Design Power (TDP)Differs17 W15 W
TjunctionDiffers105 °C100 °C
Maximum number of PCI Express lanesDiffers1612
PCI Express configurationsDiffers1x16, 2x8, 1x8+2x42x4
PCI Express slots version2.02.0
CPU multiplier (bus/core ratio)Known for one18
ECC supported by processorNoNo
Memory3 differ
Internal memoryDiffers6 GB8 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory clock speed1600 MHz1600 MHz
Memory form factorDiffersOn-board + SO-DIMMSO-DIMM
Memory slotsDiffers1x SO-DIMM2x SO-DIMM
Maximum internal memory8 GB8 GB
Storage4 differ
Total storage capacityDiffers500 GB1 TB
Storage mediaDiffersHDD+SSDHDD
Number of HDDs installed11
HDD capacityDiffers500 GB1 TB
HDD interfaceKnown for oneSATA
HDD speed5400 RPM5400 RPM
HDD sizeKnown for one2.5"
Number of SSDs installedKnown for one1
SSD capacityKnown for one24 GB
Optical drive typeDiffersNoDVD Super Multi DL
Card reader integratedYesYes
Compatible memory cardsSDSD
Graphics5 differ
On-board graphics cardYesYes
Discrete graphics cardDiffersNoYes
Discrete graphics card modelDiffersNot availableNVIDIA® GeForce® GT 740M
On-board graphics card familyIntel® HD GraphicsIntel® HD Graphics
On-board graphics card modelDiffersIntel® HD Graphics 4000Intel® HD Graphics 4400
On-board graphics card base frequencyDiffers350 MHz200 MHz
On-board graphics card dynamic frequency (max)1100 MHz1100 MHz
On-board graphics card IDDiffers0x1660xA16
Discrete graphics card memoryKnown for one2 GB
Maximum on-board graphics card memoryKnown for one1.74 GB
On-board graphics card DirectX versionKnown for one12
Audioidentical
Audio systemSonicMasterSonicMaster
Number of built-in speakersKnown for one2
Built-in microphoneYesYes
Cameraidentical
Front cameraYesYes
Optical driveidentical
LightScribeKnown for oneNo
Networkidentical
Wi-FiYesYes
Wi-Fi standards802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
BluetoothYesYes
Bluetooth version4.04.0
Data networkNot supportedNot supported
Cabling technologyKnown for one10/100/1000Base-T(X)
4G WiMAXNoNo
Integrated 4G WiMAXKnown for oneYes
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers21
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers12
eSATA/USB 2.0 ports quantity00
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity00
eSATA ports quantity00
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
DisplayPorts quantity00
DVI portNoNo
VGA (D-Sub) ports quantityDiffers10
Firewire (IEEE 1394) ports00
Thunderbolt ports quantity00
Headphone outputs00
S/PDIF out portNoNo
Combo headphone/mic portYesYes
Microphone inNoNo
Docking connectorNoNo
ExpressCard slotNoNo
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotNoNo
Total number of SATA connectorsKnown for one4
Number of SATA III connectorsKnown for one4
Performanceidentical
Motherboard chipsetKnown for oneIntel HM76 Express
Keyboard1 differ
Pointing deviceTouchpadTouchpad
Numeric keypadDiffersNoYes
Keyboard layoutKnown for oneQWERTY
Full-size keyboardKnown for oneYes
Windows keysKnown for oneYes
Softwareidentical
Operating system installedWindows 8Windows 8
Operating system architecture64-bit64-bit
Processor special features9 differ
Intel® Wireless Display (Intel® WiDi)YesYes
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithographyKnown for one22 nm
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyDiffersYesNo
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyYesYes
Intel Fast Memory AccessDiffersYesNo
Intel Flex Memory AccessDiffersYesNo
Intel Identity Protection Technology version1.001.00
Intel Rapid Storage TechnologyDiffersNoYes
Intel Secure Key Technology version1.001.00
Intel Trusted Execution TechnologyNoNo
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersYesNo
Intel® AES New Instructions (Intel® AES-NI)YesYes
Intel® Anti-Theft Technology (Intel® AT)YesYes
Intel® Clear Video HD Technology (Intel® CVT HD)YesYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Identity Protection Technology (Intel® IPT)YesYes
Intel® InTru™ 3D TechnologyYesYes
Intel® Insider™YesYes
Intel® My WiFi Technology (Intel® MWT)YesYes
Intel® Quick Sync Video TechnologyYesYes
Intel® Secure KeyYesYes
Intel® Smart CacheKnown for oneYes
Intel® Turbo Boost Technology2.02.0
Processor ARK IDDiffers7205575460
Processor codeDiffersSR0XLSR16Z
Processor package sizeDiffers31 x 24 (BGA1023)40 x 24 x 1.5 mm
Supported instruction setsDiffersAVXAVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorYesYes
Intel ME Firmware VersionKnown for one9.5
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® High Definition Audio (Intel® HD Audio)Known for oneYes
Intel® Matrix Storage Technology (Intel® MST)Known for oneYes
Battery2 differ
Battery technologyDiffersLithium Polymer (LiPo)Lithium-Ion (Li-Ion)
Number of battery cells33
Battery capacityDiffers44 Wh50 Wh
Battery life (max)Known for one5 h
Poweridentical
AC adapter powerKnown for one65 W
AC adapter frequencyKnown for one50 - 60 Hz
AC adapter input voltageKnown for one100 - 240 V
AC adapter output currentKnown for one3.42 A
AC adapter output voltageKnown for one19 V
DC-in jackYesYes
Securityidentical
Cable lock slotNoNo
Weight & dimensions3 differ
WeightDiffers1.8 kg2.4 kg
WidthDiffers339 mm381 mm
DepthDiffers239 mm259 mm
HeightKnown for one21 mm
Height (front)Known for one2.03 cm
Height (rear)Known for one2.29 cm
Packaging contentidentical
AC adapter includedKnown for oneYes
Other featuresidentical
3DNoNo

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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