Product comparison · 2 laptops

ASUSPRO B551LA-CN157G Intel® Core™ i5 i5-4200H Laptop vs ASUS X751LB-DS71-CA laptop Intel® Core™ i7 i7-5500U

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  • 137specifications compared
  • 52differ
  • 85identical
  • 36known for one product only

Key differences

  • Display diagonal
    • ASUSPRO B551LA-CN157G Intel® Core™ i5 i5-4200H Laptop:39.6 cm (15.6")
    • X751LB-DS71-CA laptop Intel® Core™ i7 i7-5500U:43.9 cm (17.3")
  • Display resolution
    • ASUSPRO B551LA-CN157G Intel® Core™ i5 i5-4200H Laptop:1366 x 768 pixels
    • X751LB-DS71-CA laptop Intel® Core™ i7 i7-5500U:1600 x 900 pixels
  • HD type
    • ASUSPRO B551LA-CN157G Intel® Core™ i5 i5-4200H Laptop:Not supported
    • X751LB-DS71-CA laptop Intel® Core™ i7 i7-5500U:HD+
  • Processor family
    • ASUSPRO B551LA-CN157G Intel® Core™ i5 i5-4200H Laptop:Intel® Core™ i5
    • X751LB-DS71-CA laptop Intel® Core™ i7 i7-5500U:Intel® Core™ i7
  • Processor generation
    • ASUSPRO B551LA-CN157G Intel® Core™ i5 i5-4200H Laptop:4th gen Intel® Core™ i5
    • X751LB-DS71-CA laptop Intel® Core™ i7 i7-5500U:5th gen Intel® Core™ i7
  • Processor model
    • ASUSPRO B551LA-CN157G Intel® Core™ i5 i5-4200H Laptop:i5-4200H
    • X751LB-DS71-CA laptop Intel® Core™ i7 i7-5500U:i7-5500U
  • Processor boost frequency
    • ASUSPRO B551LA-CN157G Intel® Core™ i5 i5-4200H Laptop:3.4 GHz
    • X751LB-DS71-CA laptop Intel® Core™ i7 i7-5500U:3 GHz
  • Processor frequency
    • ASUSPRO B551LA-CN157G Intel® Core™ i5 i5-4200H Laptop:2.8 GHz
    • X751LB-DS71-CA laptop Intel® Core™ i7 i7-5500U:2.4 GHz

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Comparison of B551LA-CN157G, X751LB-DS71-CA
173 specifications
Designidentical
Product typeLaptopLaptop
Product colourBlackBlack
Form factorClamshellClamshell
Display3 differ
Display diagonalDiffers39.6 cm (15.6")43.9 cm (17.3")
Display resolutionDiffers1366 x 768 pixels1600 x 900 pixels
TouchscreenNoNo
HD typeDiffersNot supportedHD+
LED backlightYesYes
Native aspect ratio16:916:9
Display surfaceKnown for oneMattUnknown — not stated by the source
Processor18 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffers4th gen Intel® Core™ i55th gen Intel® Core™ i7
Processor modelDiffersi5-4200Hi7-5500U
Processor cores22
Processor threads44
Processor boost frequencyDiffers3.4 GHz3 GHz
Processor frequencyDiffers2.8 GHz2.4 GHz
System bus rate5 GT/s5 GT/s
Processor cacheDiffers3 MB4 MB
Processor cache typeDiffersSmart CacheL3
Processor socketDiffersBGA 1364BGA 1168
Processor lithographyDiffers22 nm14 nm
Processor operating modesDiffers64-bit32-bit, 64-bit
Processor seriesDiffersIntel Core i5-4200 Mobile seriesIntel Core i7-5500 Mobile Series
Processor codenameDiffersHaswellBroadwell
Bus typeDMI2DMI2
FSB ParityNoNo
SteppingDiffersC0F0
Thermal Design Power (TDP)Differs47 W15 W
TjunctionDiffers100 °C105 °C
Maximum number of PCI Express lanesDiffers1612
PCI Express configurationsDiffers1x16, 2x8, 1x8+2x44x1, 2x4
PCI Express slots versionDiffers3.02.0
ECC supported by processorNoNo
Configurable TDP-downKnown for oneUnknown — not stated by the source7.5 W
Configurable TDP-down frequencyKnown for oneUnknown — not stated by the source0.6 GHz
Memory2 differ
Internal memoryDiffers4 GB8 GB
Internal memory typeDDR3L-SDRAMDDR3L-SDRAM
Memory clock speed1600 MHz1600 MHz
Maximum internal memoryDiffers16 GB12 GB
Storage1 differ
Total storage capacity1 TB1 TB
Storage mediaHDDHDD
Number of HDDs installedKnown for one1Unknown — not stated by the source
HDD capacityKnown for one1 TBUnknown — not stated by the source
HDD interfaceKnown for oneSATA IIIUnknown — not stated by the source
HDD sizeKnown for one2.5"Unknown — not stated by the source
Optical drive typeDVD Super MultiDVD Super Multi
Card reader integratedYesYes
Compatible memory cardsDiffersSD, SDHC, SDXC, MMCSD
Graphics8 differ
On-board graphics cardYesYes
Discrete graphics cardDiffersNoYes
Discrete graphics card modelDiffersNot availableNVIDIA® GeForce® 940M
On-board graphics card familyIntel® HD GraphicsIntel® HD Graphics
On-board graphics card modelDiffersIntel® HD Graphics 4600Intel® HD Graphics 5500
Maximum on-board graphics card memoryDiffers1.74 GB16 GB
On-board graphics card base frequencyDiffers400 MHz300 MHz
On-board graphics card dynamic frequency (max)Differs1150 MHz950 MHz
On-board graphics card DirectX versionDiffers11.111.2
On-board graphics card OpenGL version4.34.3
On-board graphics card IDDiffers0x4160x1616
Graphics card Open GL supportYesYes
Audioidentical
Audio systemSonicMaster LiteSonicMaster Lite
Built-in microphoneYesYes
Cameraidentical
Front cameraYesYes
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 ratesKnown for one10,100,1000 Mbit/sUnknown — not stated by the source
BluetoothKnown for oneUnknown — not stated by the sourceYes
Bluetooth versionKnown for oneUnknown — not stated by the source4.0
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers10
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity33
Ethernet LAN (RJ-45) ports11
HDMI ports quantityDiffers01
DisplayPorts quantity00
Mini DisplayPorts quantityKnown for one1Unknown — not stated by the source
DVI portNoNo
VGA (D-Sub) ports quantity11
Thunderbolt ports quantity00
Headphone outputs00
S/PDIF out portNoNo
Combo headphone/mic portYesYes
Microphone inNoNo
Docking connectorDiffersYesNo
ExpressCard slotNoNo
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotDiffersYesNo
Keyboardidentical
Pointing deviceTouchpadTouchpad
Numeric keypadYesYes
Windows keysYesYes
Full-size keyboardKnown for oneUnknown — not stated by the sourceYes
Software1 differ
Operating system installedDiffersWindows 8.1 ProWindows 8.1
Operating system architectureKnown for oneUnknown — not stated by the source64-bit
Processor special features10 differ
Intel® Wireless Display (Intel® WiDi)YesYes
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Intel 64YesYes
Intel Clear Video TechnologyDiffersNoYes
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateDiffersNoYes
Intel FDI TechnologyDiffersNoYes
Intel Fast Memory AccessDiffersNoYes
Intel Flex Memory AccessDiffersNoYes
Intel HD GraphicsYesYes
Intel Identity Protection Technology version1.001.00
Intel Rapid Storage TechnologyNoNo
Intel Secure Key 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)YesYes
Intel® AES New Instructions (Intel® AES-NI)YesYes
Intel® Anti-Theft Technology (Intel® AT)DiffersYesNo
Intel® Built-in Visuals TechnologyYesYes
Intel® Clear Video HD Technology (Intel® CVT HD)YesYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)DiffersNoYes
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)NoNo
Intel® Quick Sync Video TechnologyYesYes
Intel® Secure KeyYesYes
Intel® Smart CacheYesYes
Intel® Turbo Boost Technology2.02.0
Intel® Virtualization Technology (Intel® VT)VT-x, VT-dVT-x, VT-d
Processor ARK IDDiffers7502785214
Processor codeDiffersSR15GSR23W
Processor package sizeDiffers37.5 x 32 x 1.65 mm40 x 24 x 1.3 mm
Supported instruction setsAVX 2.0, SSE4.1, SSE4.2AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorYesYes
Graphics & IMC lithographyKnown for oneUnknown — not stated by the source14 nm
Idle StatesKnown for oneUnknown — not stated by the sourceYes
Intel Small Business Advantage (SBA) versionKnown for oneUnknown — not stated by the source1.00
Intel Smart Response Technology versionKnown for oneUnknown — not stated by the source1.00
Intel Stable Image Platform Program (SIPP)Known for oneUnknown — not stated by the sourceNo
Intel Stable Image Platform Program (SIPP) versionKnown for oneUnknown — not stated by the source0.00
Intel® OS GuardKnown for oneUnknown — not stated by the sourceYes
Intel® Small Business Advantage (Intel® SBA)Known for oneUnknown — not stated by the sourceYes
Intel® Smart Response TechnologyKnown for oneUnknown — not stated by the sourceYes
Battery1 differ
Number of battery cells44
Battery capacityDiffers2965 mAh2600 mAh
Power1 differ
AC adapter power65 W65 W
AC adapter frequencyKnown for one50 - 60 HzUnknown — not stated by the source
AC adapter input voltageKnown for one100 - 240 VUnknown — not stated by the source
AC adapter output currentDiffers3.42 A1.73 A
AC adapter output voltage19 V19 V
DC-in jackYesYes
Securityidentical
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
Fingerprint readerKnown for oneYesUnknown — not stated by the source
Trusted Platform Module (TPM)Known for oneYesUnknown — not stated by the source
Password protectionKnown for oneYesUnknown — not stated by the source
Password protection typeKnown for oneBIOS, HDD, UserUnknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for oneRoHSUnknown — not stated by the source
CertificationKnown for oneUL, TUV, MIC, CE Marking Compliance, FCC Compliance, BSMI, Australia C-TICK / NZ A-Tick Compliance, CCC, GOST-R, CB, EPEAT, Energy star, IDA, CECP, WEEE, Erp 2013, FIPS 201, TCO4.0, RoHSUnknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STARUnknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers2.5 kg2.8 kg
WidthDiffers383 mm415 mm
DepthDiffers259 mm272 mm
HeightKnown for one26 mmUnknown — not stated by the source
Height (front)Known for oneUnknown — not stated by the source3 cm
Height (rear)Known for oneUnknown — not stated by the source3.5 cm
Other featuresidentical
Intel segment taggingKnown for oneEnterprise, ProfessionalUnknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for oneUnknown — not stated by the sourceYes

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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