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Product comparison · 2 laptops

ASUS K551LB-XX258D Intel® Core™ i5 i5-4200U Laptop vs ASUS X550LDV-XX827D Intel® Core™ i7 i7-4510U Laptop

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  • 127specifications compared
  • 29differ
  • 98identical
  • 15known for one product only

Key differences

  • Processor family
    • Intel® Core™ i5
    • Intel® Core™ i7
  • Processor generation
    • 4th gen Intel® Core™ i5
    • 4th gen Intel® Core™ i7
  • Processor model
    • i5-4200U
    • i7-4510U
  • Processor boost frequency
    • 2.6 GHz
    • 3.1 GHz
  • Processor frequency
    • 1.6 GHz
    • 2 GHz
  • Processor cache
    • 3 MB
    • 4 MB
  • Stepping
    • C0
    • D0
  • PCI Express configurations
    • 1x4, 2x4
    • 4x1, 2x4

Side by side

Differences highlightedShow differences only
142 specifications
A

ASUS

K551LB-XX258D Intel® Core™ i5 i5-4200U Laptop

Model K551LB-XX258D

View product
B

ASUS

X550LDV-XX827D Intel® Core™ i7 i7-4510U Laptop

Model X550LDV-XX827D

View product
Processor9 differ
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffers4th gen Intel® Core™ i54th gen Intel® Core™ i7
Processor modelDiffersi5-4200Ui7-4510U
Processor boost frequencyDiffers2.6 GHz3.1 GHz
Processor frequencyDiffers1.6 GHz2 GHz
System bus rateKnown for one5 GT/s
Processor cacheDiffers3 MB4 MB
Processor seriesDiffersIntel Core i5-4200 Mobile seriesIntel Core i7-4500 Mobile series
SteppingDiffersC0D0
PCI Express configurationsDiffers1x4, 2x44x1, 2x4
Memory2 differ
Internal memoryDiffers6 GB4 GB
Maximum internal memoryDiffers12 GB8 GB
Memory form factorKnown for oneOn-board + SO-DIMM
Memory slotsKnown for one1x SO-DIMM
Storage4 differ
Total storage capacityDiffers750 GB500 GB
HDD capacityDiffers750 GB500 GB
Optical drive typeDiffersDVD Super MultiDVD-RW
Compatible memory cardsDiffersSD, SDHCSD, SDHC, SDXC
HDD speedKnown for one5400 RPM
Graphics2 differ
Discrete graphics card modelDiffersNVIDIA® GeForce® GT 740MNVIDIA® GeForce® GT 820M
On-board graphics card dynamic frequency (max)Differs1000 MHz1100 MHz
On-board graphics card DirectX versionKnown for one11.2/12
On-board graphics card OpenGL versionKnown for one4.3
Network2 differ
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11b, 802.11g
Ethernet LAN data ratesDiffers10,1000,100 Mbit/s10,100,1000 Mbit/s
BluetoothKnown for oneYes
Bluetooth versionKnown for one4.0
Ports & interfaces1 differ
VGA (D-Sub) ports quantityDiffers01
Processor special features4 differ
Intel FDI TechnologyDiffersNoYes
Intel® Smart CacheKnown for oneYes
Processor ARK IDDiffers7545981015
Processor codeDiffersSR170SR1EB
Supported instruction setsDiffersAVX 2.0AVX 2.0, SSE4.1, SSE4.2
Intel® Matrix Storage Technology (Intel® MST)Known for oneNo
Intel® My WiFi Technology (Intel® MWT)Known for oneYes
Battery2 differ
Number of battery cellsDiffers34
Battery capacityDiffers50 Wh37 Wh
Battery technologyKnown for oneLithium Polymer (LiPo)
Security1 differ
Password protection typeDiffersHDD, UserBIOS, HDD, User
Weight & dimensions2 differ
WeightDiffers2.4 kg2.3 kg
DepthDiffers258 mm251 mm
Height (front)Known for one2.48 cm
Height (rear)Known for one3.17 cm
HeightKnown for one22.5 mm

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