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Product comparison · 2 laptops

ASUS E451LD-XB51 Intel® Core™ i5 i5-4200U Laptop vs ASUS E551LA-XB51 Intel® Core™ i5 i5-4200U Laptop

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  • 137specifications compared
  • 12differ
  • 125identical
  • 7known for one product only

Key differences

  • Display diagonal
    • 35.6 cm (14")
    • 39.6 cm (15.6")
  • Discrete graphics card
    • Yes
    • No
  • Discrete graphics card model
    • NVIDIA® GeForce® GT 820M
    • Not available
  • Numeric keypad
    • No
    • Yes
  • Operating system installed
    • Windows 8.1 Pro
    • Windows 7 Professional
  • Weight
    • 1.81 kg
    • 2.5 kg
  • Width
    • 338 mm
    • 381 mm
  • Depth
    • 239 mm
    • 256.1 mm

Side by side

Differences highlightedShow differences only
144 specifications
A

ASUS

E451LD-XB51 Intel® Core™ i5 i5-4200U Laptop

Model E451LD-XB51

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B

ASUS

E551LA-XB51 Intel® Core™ i5 i5-4200U Laptop

Model E551LA-XB51

View product
Designidentical
Product typeLaptopLaptop
Product colourBlackBlack
Form factorClamshellClamshell
Display1 differ
Display diagonalDiffers35.6 cm (14")39.6 cm (15.6")
Display resolution1366 x 768 pixels1366 x 768 pixels
TouchscreenNoNo
HD typeHDHD
LED backlightYesYes
Native aspect ratio16:916:9
Display surfaceMattMatt
Processoridentical
Processor manufacturerIntelIntel
Processor familyIntel® Core™ i5Intel® Core™ i5
Processor generation4th gen Intel® Core™ i54th gen Intel® Core™ i5
Processor modeli5-4200Ui5-4200U
Processor cores22
Processor threads44
Processor boost frequency2.6 GHz2.6 GHz
Processor frequency1.6 GHz1.6 GHz
Processor cache3 MB3 MB
Processor cache typeSmart CacheSmart Cache
Processor socketBGA 1168BGA 1168
Processor lithography22 nm22 nm
Processor operating modes64-bit64-bit
Processor seriesIntel Core i5-4200 Mobile seriesIntel Core i5-4200 Mobile series
Processor codenameHaswellHaswell
Bus typeDMI2DMI2
SteppingC0C0
Thermal Design Power (TDP)15 W15 W
Tjunction100 °C100 °C
Maximum number of PCI Express lanes1212
PCI Express configurations1x4, 2x41x4, 2x4
PCI Express slots version2.02.0
ECC supported by processorNoNo
Memoryidentical
Internal memory8 GB8 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory clock speed1600 MHz1600 MHz
Maximum internal memory16 GB16 GB
Storageidentical
Total storage capacity500 GB500 GB
Storage mediaHDDHDD
Number of HDDs installed11
HDD capacity500 GB500 GB
HDD speed7200 RPM7200 RPM
Optical drive typeDVD±RWDVD±RW
Card reader integratedYesYes
Compatible memory cardsMMC, SD, SDXCMMC, SD, SDXC
Graphics2 differ
On-board graphics cardYesYes
Discrete graphics cardDiffersYesNo
Discrete graphics card modelDiffersNVIDIA® GeForce® GT 820MNot available
Discrete graphics card memoryKnown for one1 GB
Discrete graphics memory typeKnown for oneGDDR3
On-board graphics card familyIntel® HD GraphicsIntel® HD Graphics
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)1000 MHz1000 MHz
On-board graphics card DirectX version1212
On-board graphics card ID0xA160xA16
Audioidentical
Audio systemSonicMasterSonicMaster
Built-in microphoneYesYes
Cameraidentical
Front cameraYesYes
Networkidentical
Wi-FiYesYes
Wi-Fi standardsWi-Fi 5 (802.11ac)Wi-Fi 5 (802.11ac)
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
BluetoothNoNo
Top Wi-Fi standardKnown for oneWi-Fi 5 (802.11ac)
Ports & interfacesidentical
USB 2.0 ports quantity22
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 quantity11
Thunderbolt ports quantity00
Headphone outputs00
Combo headphone/mic portYesYes
Microphone inNoNo
Docking connectorNoNo
Total number of SATA connectors44
Number of SATA III connectors44
Keyboard1 differ
Pointing deviceTouchpadTouchpad
Numeric keypadDiffersNoYes
Windows keysYesYes
Software1 differ
Operating system installedDiffersWindows 8.1 ProWindows 7 Professional
Operating system architecture64-bit64-bit
Recovery operating systemKnown for oneWindows 8.1 Pro
Processor special featuresidentical
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 TechnologyNoNo
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® Matrix Storage Technology (Intel® MST)NoNo
Intel® My WiFi Technology (Intel® MWT)YesYes
Intel® Quick Sync Video TechnologyYesYes
Intel® Secure KeyYesYes
Intel® Turbo Boost Technology2.02.0
Processor ARK ID7545975459
Processor codeSR170SR170
Processor package size40 x 24 x 1.5 mm40 x 24 x 1.5 mm
Supported instruction setsAVX 2.0AVX 2.0
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorYesYes
Batteryidentical
Battery technologyLithium-Ion (Li-Ion)Lithium-Ion (Li-Ion)
Number of battery cells99
Battery capacity87 Wh87 Wh
Battery life (max)13 h13 h
Poweridentical
DC-in jackYesYes
Securityidentical
Fingerprint readerYesYes
Trusted Platform Module (TPM)YesYes
Weight & dimensions3 differ
WeightDiffers1.81 kg2.5 kg
WidthDiffers338 mm381 mm
DepthDiffers239 mm256.1 mm
Height (front)Known for one2.03 cm
Height (rear)Known for one2.3 cm
HeightKnown for one28 mm
Packaging contentidentical
ManualYesYes
Other features4 differ
Power adapter widthDiffers40.4 cm45 cm
Power adapter depthDiffers8.4 cm8.64 cm
Power adapter heightDiffers29.5 cm31.8 cm
Power adapter weightDiffers2.9 kg3.1 kg

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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