Product comparison · 2 laptops

ASUS ROG G551JX-CN144H Intel® Core™ i7 i7-4720HQ Laptop vs Lenovo Z51 Intel® Core™ i7 i7-5500U Laptop

Add a product
  • 131specifications compared
  • 54differ
  • 77identical
  • 54known for one product only

Key differences

  • Processor generation
    • ROG G551JX-CN144H Intel® Core™ i7 i7-4720HQ Laptop:4th gen Intel® Core™ i7
    • Z51 Intel® Core™ i7 i7-5500U Laptop:5th gen Intel® Core™ i7
  • Processor model
    • ROG G551JX-CN144H Intel® Core™ i7 i7-4720HQ Laptop:i7-4720HQ
    • Z51 Intel® Core™ i7 i7-5500U Laptop:i7-5500U
  • Processor cores
    • ROG G551JX-CN144H Intel® Core™ i7 i7-4720HQ Laptop:4
    • Z51 Intel® Core™ i7 i7-5500U Laptop:2
  • Processor threads
    • ROG G551JX-CN144H Intel® Core™ i7 i7-4720HQ Laptop:8
    • Z51 Intel® Core™ i7 i7-5500U Laptop:4
  • Processor boost frequency
    • ROG G551JX-CN144H Intel® Core™ i7 i7-4720HQ Laptop:3.6 GHz
    • Z51 Intel® Core™ i7 i7-5500U Laptop:3 GHz
  • Processor frequency
    • ROG G551JX-CN144H Intel® Core™ i7 i7-4720HQ Laptop:2.6 GHz
    • Z51 Intel® Core™ i7 i7-5500U Laptop:2.4 GHz
  • Processor cache
    • ROG G551JX-CN144H Intel® Core™ i7 i7-4720HQ Laptop:6 MB
    • Z51 Intel® Core™ i7 i7-5500U Laptop:4 MB
  • Processor socket
    • ROG G551JX-CN144H Intel® Core™ i7 i7-4720HQ Laptop:BGA 1364
    • Z51 Intel® Core™ i7 i7-5500U Laptop:BGA 1168

Side by side

Differences highlightedShow differences only (on)
Comparison of G551JX-CN144H, Z51
185 specifications
Displayidentical
TouchscreenKnown for oneUnknown — not stated by the sourceNo
Display brightnessKnown for oneUnknown — not stated by the source200 cd/m²
Display surfaceKnown for oneMattUnknown — not stated by the source
Processor18 differ
Processor generationDiffers4th gen Intel® Core™ i75th gen Intel® Core™ i7
Processor modelDiffersi7-4720HQi7-5500U
Processor coresDiffers42
Processor threadsDiffers84
Processor boost frequencyDiffers3.6 GHz3 GHz
Processor frequencyDiffers2.6 GHz2.4 GHz
Processor cacheDiffers6 MB4 MB
Processor socketDiffersBGA 1364BGA 1168
Processor lithographyDiffers22 nm14 nm
Processor operating modesDiffers64-bit32-bit, 64-bit
Processor seriesDiffersIntel Core i7-4700 Mobile seriesIntel Core i7-5500 Mobile Series
Processor codenameDiffersHaswellBroadwell
SteppingDiffersC0F0
Thermal Design Power (TDP)Differs47 W15 W
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
TjunctionDiffers100 °C105 °C
Maximum number of PCI Express lanesDiffers1612
PCI Express configurationsDiffers1x16, 2x8, 1x8+2x44x1, 2x4
PCI Express slots versionDiffers3.02.0
Memory1 differ
Internal memoryDiffers16 GB8 GB
Memory form factorKnown for oneUnknown — not stated by the sourceSO-DIMM
Memory layout (slots x size)Known for oneUnknown — not stated by the source1 x 8 GB
Memory slotsKnown for oneUnknown — not stated by the source2x SO-DIMM
Maximum internal memory (64-bit)Known for oneUnknown — not stated by the source16 GB
Storage4 differ
Total storage capacityDiffers2.12 TB1 TB
Storage mediaDiffersHDD+SSDHybrid-HDD
Optical drive typeDiffersDVD Super MultiDVD±RW
Compatible memory cardsDiffersMemory Stick (MS), MMC, MS PRO, MS PRO Duo, SD, SDXCMMC, SD, SDHC, SDXC
HDD capacityKnown for one2 TBUnknown — not stated by the source
HDD interfaceKnown for oneSATA IIIUnknown — not stated by the source
HDD speedKnown for one5400 RPMUnknown — not stated by the source
HDD sizeKnown for one2.5"Unknown — not stated by the source
Number of SSDs installedKnown for one1Unknown — not stated by the source
SSD capacityKnown for one128 GBUnknown — not stated by the source
Graphics7 differ
Discrete graphics card modelDiffersNVIDIA® GeForce® GTX 950MAMD Radeon R9 M375
Discrete graphics card memoryKnown for oneUnknown — not stated by the source2 GB
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)Differs1200 MHz950 MHz
On-board graphics card DirectX versionDiffers11.2/1211.2
On-board graphics card IDDiffers0x4160x1616
Number of discrete graphics cards installedKnown for oneUnknown — not stated by the source1
Discrete graphics memory typeKnown for oneGDDR3Unknown — not stated by the source
On-board graphics card OpenGL versionKnown for one4.3Unknown — not stated by the source
Audio1 differ
Audio systemDiffersSonicMaster PremiumDolby Home Theater
Number of built-in speakersKnown for oneUnknown — not stated by the source2
Speakers manufacturerKnown for oneUnknown — not stated by the sourceJBL
Speaker powerKnown for oneUnknown — not stated by the source2.5 W
Cameraidentical
Front camera resolution (numeric)Known for oneUnknown — not stated by the source1 MP
Optical driveidentical
LightScribeKnown for oneUnknown — not stated by the sourceNo
Network1 differ
Top Wi-Fi standardKnown for oneUnknown — not stated by the sourceWi-Fi 5 (802.11ac)
BluetoothDiffersNoYes
Bluetooth versionKnown for oneUnknown — not stated by the source4.0
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers01
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers32
VGA (D-Sub) ports quantityDiffers01
S/PDIF out portDiffersYesNo
Combo headphone/mic portKnown for oneUnknown — not stated by the sourceYes
Mini DisplayPorts quantityKnown for one1Unknown — not stated by the source
Headphone outputsKnown for one0Unknown — not stated by the source
Microphone inKnown for oneYesUnknown — not stated by the source
Performance1 differ
Motherboard chipsetDiffersIntel® HM86Intel SoC
Keyboardidentical
Keyboard backlitKnown for oneUnknown — not stated by the sourceNo
Island-style keyboardKnown for oneUnknown — not stated by the sourceYes
Pointing deviceKnown for oneTouchpadUnknown — not stated by the source
Softwareidentical
Operating system architectureKnown for oneUnknown — not stated by the source64-bit
Processor special features9 differ
Graphics & IMC lithographyKnown for oneUnknown — not stated by the source14 nm
Intel Clear Video TechnologyDiffersNoYes
Intel Fast Memory AccessDiffersNoYes
Intel Flex Memory AccessDiffersNoYes
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® Anti-Theft Technology (Intel® AT)DiffersYesNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)DiffersNoYes
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
Intel® Turbo Boost TechnologyDiffersNo2.0
Processor ARK IDDiffers7893485214
Processor codeDiffersSR1Q8SR23W
Processor package sizeDiffers37.5 x 32 x 1.6 mm40 x 24 x 1.3 mm
Battery2 differ
Number of battery cellsDiffers64
Battery capacityDiffers56 Wh41 Wh
Power1 differ
AC adapter powerDiffers120 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 currentKnown for one6.3 AUnknown — not stated by the source
AC adapter output voltageKnown for one19 VUnknown — not stated by the source
Security1 differ
Cable lock slotDiffersYesNo
Fingerprint readerKnown for oneUnknown — not stated by the sourceNo
Cable lock slot typeKnown for oneKensingtonUnknown — 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
CertificationKnown for oneUL, TUV, MIC, CE Marking Compliance, BSMI, Australia C-TICK / NZ A-Tick Compliance, CCC, GOST-R, CB, EPEAT, EU Flower, Energy star, CECP, WEEE, Erp 2013, RoHS, JATEUnknown — not stated by the source
Sustainability1 differ
Sustainability certificatesDiffersENERGY STAREPEAT Silver, ENERGY STAR
Weight & dimensions3 differ
WeightDiffers2.7 kg2.3 kg
WidthDiffers383 mm384 mm
DepthDiffers255 mm265 mm
HeightKnown for oneUnknown — not stated by the source24.6 mm
Height (front)Known for one2.8 cmUnknown — not stated by the source
Height (rear)Known for one3.15 cmUnknown — not stated by the source

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.

More laptop comparisons

All laptop comparisons