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Product comparison · 2 laptops

ASUS K551LN-XX044D laptop Intel® Core™ i7 i7-4500U vs Lenovo S540 + OneLink Pro Dock

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  • 138specifications compared
  • 33differ
  • 105identical
  • 50known for one product only

Key differences

  • Product colour
    • Grey, Silver
    • Black
  • Display resolution
    • 1366 x 768 pixels
    • 1920 x 1080 pixels
  • Touchscreen
    • No
    • Yes
  • HD type
    • HD
    • Full HD
  • Processor model
    • i7-4500U
    • i7-4510U
  • Processor boost frequency
    • 3 GHz
    • 3.1 GHz
  • Processor frequency
    • 1.8 GHz
    • 2 GHz
  • Stepping
    • C0
    • D0

Side by side

Differences highlightedShow differences only
188 specifications
A

ASUS

K551LN-XX044D laptop Intel® Core™ i7 i7-4500U

Model K551LN-XX044D

View product
B

Lenovo

S540 + OneLink Pro DockView product
Design1 differ
Product colourDiffersGrey, SilverBlack
Housing materialKnown for oneAluminium
Market positioningKnown for oneBusiness
Display3 differ
Display resolutionDiffers1366 x 768 pixels1920 x 1080 pixels
TouchscreenDiffersNoYes
HD typeDiffersHDFull HD
Touch technologyKnown for oneMulti-touch
Display brightnessKnown for one300 cd/m²
Processor5 differ
Processor modelDiffersi7-4500Ui7-4510U
Processor boost frequencyDiffers3 GHz3.1 GHz
Processor frequencyDiffers1.8 GHz2 GHz
System bus rateKnown for one5 GT/s
SteppingDiffersC0D0
PCI Express configurationsDiffers2x44x1, 2x4
Memory1 differ
Internal memoryDiffers4 GB8 GB
Memory form factorKnown for oneSO-DIMM
Memory layout (slots x size)Known for one1 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
SSD interfaceKnown for oneSATA III
Optical drive typeDiffersDVD Super MultiNo
Compatible memory cardsDiffersSD, SDHCMMC, SD, SDHC, SDXC
Number of HDDs installedKnown for one1
HDD capacityKnown for one1 TB
HDD speedKnown for one5400 RPM
Graphics2 differ
Discrete graphics card modelDiffersNVIDIA® GeForce® GT 840MAMD Radeon HD 8670M
On-board graphics card DirectX versionDiffers1211.2/12
On-board graphics card OpenGL versionKnown for one4.3
Discrete graphics memory typeKnown for oneGDDR3
Audio1 differ
Audio systemDiffersSonicMaster LiteHD
Number of built-in speakersKnown for one2
Cameraidentical
Front camera resolutionKnown for one1280 x 720 pixels
Optical driveidentical
LightScribeKnown for oneNo
Network2 differ
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
BluetoothDiffersNoYes
Bluetooth versionKnown for one4.0
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers10
Headphone outputsDiffers01
Microphone inDiffersNoYes
Docking connectorKnown for oneNo
Total number of SATA connectorsKnown for one4
Keyboard1 differ
Pointing deviceDiffersTouchpadThinkPad UltraNav
Keyboard backlitKnown for oneYes
Spill-resistant keyboardKnown for oneYes
Full-size keyboardKnown for oneYes
Software1 differ
Operating system installedDiffersFreeDOSWindows 8.1 Pro
Operating system architectureKnown for one64-bit
Processor special features3 differ
Intel® My WiFi Technology (Intel® MWT)DiffersYesNo
Intel® Smart CacheKnown for oneYes
Intel® Virtualization Technology (Intel® VT)Known for oneVT-x
Processor ARK IDDiffers7546081015
Processor codeDiffersSR16ZSR1EB
Intel® Matrix Storage Technology (Intel® MST)Known for oneYes
Battery2 differ
Number of battery cellsDiffers34
Battery capacityDiffers50 Wh62.8 Wh
Battery life (max)Known for one6 h
Poweridentical
AC adapter powerKnown for one65 W
AC adapter output currentKnown for one3.42 A
AC adapter output voltageKnown for one19 V
Security1 differ
Fingerprint readerKnown for oneYes
Trusted Platform Module (TPM)Known for oneYes
Password protection typeDiffersHDD, UserHDD, Power on, Supervisor
Cable lock slot typeKnown for oneKensington
Docking stationidentical
Docking station connecting interfaceKnown for oneLenovo OneLink
Docking station Ethernet LANKnown for oneYes
Docking station USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one4
Docking station DVI portKnown for oneYes
Docking station DisplayPortKnown for oneYes
Certificatesidentical
Compliance certificatesKnown for oneRoHS
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Weight & dimensions3 differ
WeightKnown for one2.36 kg
WidthDiffers380 mm379 mm
DepthDiffers258 mm252.4 mm
HeightDiffers22.5 mm22.8 mm
Packaging contentidentical
AC adapter includedKnown for oneYes
Docking station includedKnown for oneYes
ManualKnown for oneYes
Power cord includedKnown for oneYes
Quick start guideKnown for oneYes

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