Product comparison · 2 laptops

ASUS K555LD Intel® Core™ i3 i3-4030U Laptop vs Lenovo Z51 Intel® Core™ i7 i7-5500U Laptop

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  • 133specifications compared
  • 47differ
  • 86identical
  • 51known for one product only

Key differences

  • Product colour
    • K555LD Intel® Core™ i3 i3-4030U Laptop:Blue, Stainless steel
    • Z51 Intel® Core™ i7 i7-5500U Laptop:Black
  • Display resolution
    • K555LD Intel® Core™ i3 i3-4030U Laptop:1366 x 768 pixels
    • Z51 Intel® Core™ i7 i7-5500U Laptop:1920 x 1080 pixels
  • HD type
    • K555LD Intel® Core™ i3 i3-4030U Laptop:Not supported
    • Z51 Intel® Core™ i7 i7-5500U Laptop:Full HD
  • Processor family
    • K555LD Intel® Core™ i3 i3-4030U Laptop:Intel® Core™ i3
    • Z51 Intel® Core™ i7 i7-5500U Laptop:Intel® Core™ i7
  • Processor generation
    • K555LD Intel® Core™ i3 i3-4030U Laptop:4th gen Intel® Core™ i3
    • Z51 Intel® Core™ i7 i7-5500U Laptop:5th gen Intel® Core™ i7
  • Processor model
    • K555LD Intel® Core™ i3 i3-4030U Laptop:i3-4030U
    • Z51 Intel® Core™ i7 i7-5500U Laptop:i7-5500U
  • Processor frequency
    • K555LD Intel® Core™ i3 i3-4030U Laptop:1.9 GHz
    • Z51 Intel® Core™ i7 i7-5500U Laptop:2.4 GHz
  • Processor cache
    • K555LD Intel® Core™ i3 i3-4030U Laptop:3 MB
    • Z51 Intel® Core™ i7 i7-5500U Laptop:4 MB

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Differences highlightedShow differences only (on)
Comparison of K555LD, Z51
184 specifications
Design1 differ
Product colourDiffersBlue, Stainless steelBlack
Display2 differ
Display resolutionDiffers1366 x 768 pixels1920 x 1080 pixels
HD typeDiffersNot supportedFull HD
Display brightnessKnown for oneUnknown — not stated by the source200 cd/m²
Display surfaceKnown for oneMattUnknown — not stated by the source
Processor12 differ
Processor familyDiffersIntel® Core™ i3Intel® Core™ i7
Processor generationDiffers4th gen Intel® Core™ i35th gen Intel® Core™ i7
Processor modelDiffersi3-4030Ui7-5500U
Processor boost frequencyKnown for oneUnknown — not stated by the source3 GHz
Processor frequencyDiffers1.9 GHz2.4 GHz
Processor cacheDiffers3 MB4 MB
Processor cache typeDiffersSmart CacheL3
Processor lithographyDiffers22 nm14 nm
Processor operating modesDiffers64-bit32-bit, 64-bit
Processor seriesDiffersIntel® Core™ i3-4000 Mobile SeriesIntel Core i7-5500 Mobile Series
Processor codenameDiffersHaswellBroadwell
SteppingDiffersD0F0
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
Memory2 differ
Internal memoryDiffers6 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 memoryDiffers8 GB16 GB
Maximum internal memory (64-bit)Known for oneUnknown — not stated by the source16 GB
Storage4 differ
Total storage capacityDiffers500 GB1 TB
Storage mediaDiffersHDDHybrid-HDD
Optical drive typeDiffersDVD Super MultiDVD±RW
Compatible memory cardsDiffersSD, SDHC, SDXCMMC, SD, SDHC, SDXC
Graphics7 differ
Discrete graphics card modelDiffersNVIDIA® GeForce® GT 820MAMD Radeon R9 M375
On-board graphics card modelDiffersIntel® HD Graphics 4400Intel® HD Graphics 5500
Maximum on-board graphics card memoryDiffers2 GB16 GB
On-board graphics card base frequencyDiffers200 MHz300 MHz
On-board graphics card dynamic frequency (max)Differs1000 MHz950 MHz
On-board graphics card DirectX versionDiffers1211.2
On-board graphics card IDDiffers0xA160x1616
Number of discrete graphics cards installedKnown for oneUnknown — not stated by the source1
Discrete graphics memory typeKnown for oneGDDR3Unknown — not stated by the source
Audio1 differ
Audio systemDiffersSonicMasterDolby 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)
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ports & interfacesidentical
Headphone outputsKnown for one0Unknown — not stated by the source
Microphone inKnown for oneNoUnknown — not stated by the source
Total number of SATA connectorsKnown for one4Unknown — not stated by the source
Number of SATA III connectorsKnown for one4Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for oneUnknown — not stated by the sourceIntel 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
Full-size keyboardKnown for oneYesUnknown — not stated by the source
Processor special features11 differ
Graphics & IMC lithographyKnown for oneUnknown — not stated by the source14 nm
Intel Clear Video TechnologyDiffersNoYes
Intel FDI TechnologyDiffersNoYes
Intel Fast Memory AccessDiffersNoYes
Intel Flex Memory AccessDiffersNoYes
Intel Rapid Storage TechnologyDiffersYesNo
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 IDDiffers8101885214
Processor codeDiffersSR1ENSR23W
Processor package sizeDiffers40 x 24 x 1.5 mm40 x 24 x 1.3 mm
Intel ME Firmware VersionKnown for one9.5Unknown — not stated by the source
Intel Smart Connect TechnologyKnown for oneYesUnknown — not stated by the source
Intel Smart Connect Technology versionKnown for one1.00Unknown — not stated by the source
Intel® High Definition Audio (Intel® HD Audio)Known for oneYesUnknown — not stated by the source
Intel® Matrix Storage Technology (Intel® MST)Known for oneNoUnknown — not stated by the source
UARTKnown for oneYesUnknown — not stated by the source
Battery2 differ
Number of battery cellsDiffers24
Battery capacityDiffers37 Wh41 Wh
Battery technologyKnown for oneLithium Polymer (LiPo)Unknown — not stated by the source
Poweridentical
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 one3.42 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
Compliance certificatesKnown for oneUnknown — not stated by the sourceRoHS
Sustainabilityidentical
Sustainability certificatesKnown for oneUnknown — not stated by the sourceEPEAT Silver, ENERGY STAR
Weight & dimensions3 differ
WidthDiffers382 mm384 mm
DepthDiffers256 mm265 mm
HeightDiffers25.8 mm24.6 mm

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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