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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
Designidentical
Product typeLaptopLaptop
Product colourGrey, SilverGrey, Silver
Form factorClamshellClamshell
Displayidentical
Display diagonal39.6 cm (15.6")39.6 cm (15.6")
Display resolution1366 x 768 pixels1366 x 768 pixels
TouchscreenNoNo
HD typeHDHD
LED backlightYesYes
Native aspect ratio16:916:9
Processor9 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffers4th gen Intel® Core™ i54th gen Intel® Core™ i7
Processor modelDiffersi5-4200Ui7-4510U
Processor cores22
Processor threads44
Processor boost frequencyDiffers2.6 GHz3.1 GHz
Processor frequencyDiffers1.6 GHz2 GHz
System bus rateKnown for one5 GT/s
Processor cacheDiffers3 MB4 MB
Processor cache typeSmart CacheSmart Cache
Processor socketBGA 1168BGA 1168
Processor lithography22 nm22 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core i5-4200 Mobile seriesIntel Core i7-4500 Mobile series
Processor codenameHaswellHaswell
Bus typeDMI2DMI2
SteppingDiffersC0D0
Thermal Design Power (TDP)15 W15 W
Tjunction100 °C100 °C
Maximum number of PCI Express lanes1212
PCI Express configurationsDiffers1x4, 2x44x1, 2x4
PCI Express slots version2.02.0
ECC supported by processorNoNo
Memory2 differ
Internal memoryDiffers6 GB4 GB
Internal memory typeDDR3L-SDRAMDDR3L-SDRAM
Memory clock speed1600 MHz1600 MHz
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
Storage mediaHDDHDD
Number of HDDs installed11
HDD capacityDiffers750 GB500 GB
Optical drive typeDiffersDVD Super MultiDVD-RW
Card reader integratedYesYes
Compatible memory cardsDiffersSD, SDHCSD, SDHC, SDXC
HDD speedKnown for one5400 RPM
Graphics2 differ
On-board graphics cardYesYes
Discrete graphics cardYesYes
Discrete graphics card modelDiffersNVIDIA® GeForce® GT 740MNVIDIA® GeForce® GT 820M
Discrete graphics card memory2 GB2 GB
Discrete graphics memory typeGDDR3GDDR3
On-board graphics card modelIntel® HD Graphics 4400Intel® HD Graphics 4400
Maximum on-board graphics card memory1.74 GB1.74 GB
On-board graphics card base frequency200 MHz200 MHz
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
On-board graphics card ID0xA160xA16
Audioidentical
Built-in microphoneYesYes
Cameraidentical
Front cameraYesYes
Network2 differ
Wi-FiYesYes
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11b, 802.11g
Ethernet LANYesYes
Ethernet LAN data ratesDiffers10,1000,100 Mbit/s10,100,1000 Mbit/s
BluetoothKnown for oneYes
Bluetooth versionKnown for one4.0
Ports & interfaces1 differ
USB 2.0 ports quantity11
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
DisplayPorts quantity00
DVI portNoNo
VGA (D-Sub) ports quantityDiffers01
Thunderbolt ports quantity00
Combo headphone/mic portYesYes
Docking connectorNoNo
Keyboardidentical
Pointing deviceTouchpadTouchpad
Numeric keypadYesYes
Windows keysYesYes
Softwareidentical
Operating system installedFreeDOSFreeDOS
Processor special features4 differ
Intel® Wireless Display (Intel® WiDi)YesYes
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesYesYes
Intel 64YesYes
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyDiffersNoYes
Intel Identity Protection Technology version1.001.00
Intel ME Firmware Version9.59.5
Intel Rapid Storage TechnologyYesYes
Intel Secure Key Technology version1.001.00
Intel Smart Connect TechnologyYesYes
Intel Smart Connect Technology version1.001.00
Intel TSX-NINoNo
Intel TSX-NI version0.000.00
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)NoNo
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® High Definition Audio (Intel® HD Audio)YesYes
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Identity Protection Technology (Intel® IPT)YesYes
Intel® InTru™ 3D TechnologyYesYes
Intel® Insider™YesYes
Intel® Quick Sync Video TechnologyYesYes
Intel® Secure KeyYesYes
Intel® Smart CacheKnown for oneYes
Intel® Turbo Boost Technology2.02.0
Processor ARK IDDiffers7545981015
Processor codeDiffersSR170SR1EB
Processor package size40 x 24 x 1.5 mm40 x 24 x 1.5 mm
Supported instruction setsDiffersAVX 2.0AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorYesYes
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)
Poweridentical
AC adapter power65 W65 W
AC adapter frequency50 - 60 Hz50 - 60 Hz
AC adapter input voltage100 - 240 V100 - 240 V
AC adapter output current3.42 A3.42 A
AC adapter output voltage19 V19 V
DC-in jackYesYes
Security1 differ
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
Password protectionYesYes
Password protection typeDiffersHDD, UserBIOS, HDD, User
Weight & dimensions2 differ
WeightDiffers2.4 kg2.3 kg
Width380 mm380 mm
DepthDiffers258 mm251 mm
Height (front)Known for one2.48 cm
Height (rear)Known for one3.17 cm
HeightKnown for one22.5 mm
Logistics dataidentical
Harmonized System (HS) code8471300084713000

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