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Product comparison · 2 laptops

Lenovo L40-30 Intel® Celeron® N2815 Laptop vs Lenovo IdeaPad Z70 Intel® Core™ i7 i7-5500U Laptop

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  • 127specifications compared
  • 64differ
  • 63identical
  • 51known for one product only

Key differences

  • Display diagonal
    • 35.6 cm (14")
    • 43.9 cm (17.3")
  • Display resolution
    • 1366 x 768 pixels
    • 1920 x 1080 pixels
  • Processor family
    • Intel® Celeron®
    • Intel® Core™ i7
  • Processor model
    • N2815
    • i7-5500U
  • Processor threads
    • 2
    • 4
  • Processor boost frequency
    • 2.13 GHz
    • 3 GHz
  • Processor frequency
    • 1.86 GHz
    • 2.4 GHz
  • Processor cache
    • 1 MB
    • 4 MB

Side by side

Differences highlightedShow differences only
178 specifications
A

Lenovo

L40-30 Intel® Celeron® N2815 Laptop

Model L40-30

View product
B

Lenovo

IdeaPad Z70 Intel® Core™ i7 i7-5500U Laptop

Model Z70

View product
Designidentical
Market positioningKnown for oneBusiness
Display2 differ
Display diagonalDiffers35.6 cm (14")43.9 cm (17.3")
Display resolutionDiffers1366 x 768 pixels1920 x 1080 pixels
HD typeKnown for oneFull HD
Dual-screenKnown for oneNo
Processor14 differ
Processor familyDiffersIntel® Celeron®Intel® Core™ i7
Processor generationKnown for one5th gen Intel® Core™ i7
Processor modelDiffersN2815i7-5500U
Processor threadsDiffers24
Processor boost frequencyDiffers2.13 GHz3 GHz
Processor frequencyDiffers1.86 GHz2.4 GHz
System bus rateKnown for one5 GT/s
Processor cacheDiffers1 MB4 MB
Processor cache typeDiffersL2L3
Processor socketDiffersBGA 1170BGA 1168
Processor lithographyDiffers22 nm14 nm
Processor seriesDiffersIntel Celeron Processor N2000 Series for MobileIntel Core i7-5500 Mobile Series
Processor codenameDiffersBay TrailBroadwell
Bus typeKnown for oneDMI2
SteppingDiffersB3F0
Thermal Design Power (TDP)Differs7.5 W15 W
Configurable TDP-downKnown for one7.5 W
Configurable TDP-down frequencyKnown for one0.6 GHz
Maximum number of PCI Express lanesDiffers412
PCI Express configurationsKnown for one4x1, 2x4
Scenario Design Power (SDP)Known for one4.5 W
Memory2 differ
Internal memoryDiffers2 GB16 GB
Internal memory typeDiffersDDR3-SDRAMDDR3L-SDRAM
Memory form factorKnown for oneSO-DIMM
Memory slotsKnown for one2x SO-DIMM
Maximum internal memoryKnown for one16 GB
Memory layout (slots x size)Known for one1 x 2 GB
Storage4 differ
Total storage capacityDiffers500 GB1 TB
Storage mediaDiffersHDDHybrid-HDD
HDD speedDiffers5200 RPM5400 RPM
Hybrid-HDD capacityKnown for one1 TB
Hybrid-HDD cache memoryKnown for one8 GB
Optical drive typeDiffersDVD-RWDVD±RW
Compatible memory cardsKnown for oneMMC, SD
Number of HDDs installedKnown for one1
HDD capacityKnown for one500 GB
HDD interfaceKnown for oneSATA
Graphics3 differ
Discrete graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneNVIDIA® GeForce® 840M
Discrete graphics card memoryKnown for one2 GB
On-board graphics card modelDiffersIntel® HD GraphicsIntel® HD Graphics 5500
Maximum on-board graphics card memoryKnown for one16 GB
On-board graphics card base frequencyDiffers313 MHz300 MHz
On-board graphics card dynamic frequency (max)Differs756 MHz950 MHz
On-board graphics card DirectX versionKnown for one11.2
On-board graphics card IDKnown for one0x1616
On-board graphics card burst frequencyKnown for one756 MHz
Audio1 differ
Audio systemDiffersHDDolby Home Theater
Speakers manufacturerKnown for oneJBL
Network2 differ
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)Wi-Fi 5 (802.11ac)
BluetoothDiffersNoYes
Bluetooth versionKnown for one4.0
Ports & interfaces3 differ
VGA (D-Sub) ports quantityDiffers01
Headphone outputsDiffers01
Microphone inDiffersNoYes
Total number of SATA connectorsKnown for one2
Keyboard2 differ
Numeric keypadDiffersNoYes
Windows keysDiffersNoYes
Softwareidentical
Operating system languageKnown for onePortuguese
Processor special features24 differ
Graphics & IMC lithographyDiffers22 nm14 nm
Intel Clear Video TechnologyDiffersNoYes
Intel FDI TechnologyDiffersNoYes
Intel Fast Memory AccessDiffersNoYes
Intel Flex Memory AccessDiffersNoYes
Intel Identity Protection Technology versionDiffers0.001.00
Intel Secure Key Technology versionKnown for one1.00
Intel Small Business Advantage (SBA) versionKnown for one1.00
Intel Smart Response Technology versionKnown for one1.00
Intel Stable Image Platform Program (SIPP)Known for oneNo
Intel Stable Image Platform Program (SIPP) versionKnown for one0.00
Intel TSX-NIKnown for oneNo
Intel TSX-NI versionKnown for one0.00
Intel VT-x with Extended Page Tables (EPT)DiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersNoYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)DiffersNoYes
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® Identity Protection Technology (Intel® IPT)DiffersNoYes
Intel® InTru™ 3D TechnologyDiffersNoYes
Intel® Insider™DiffersNoYes
Intel® OS GuardKnown for oneYes
Intel® Quick Sync Video TechnologyDiffersNoYes
Intel® Secure KeyKnown for oneYes
Intel® Small Business Advantage (Intel® SBA)DiffersNoYes
Intel® Smart CacheKnown for oneYes
Intel® Smart Response TechnologyDiffersNoYes
Intel® Turbo Boost TechnologyDiffersNo2.0
Intel® Virtualization Technology (Intel® VT)DiffersVT-xVT-d, VT-x
Processor ARK IDDiffers7905185214
Processor codeDiffersSR1SJSR23W
Processor package sizeDiffers25 x 27 mm40 x 24 x 1.3 mm
Supported instruction setsKnown for oneAVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesDiffersNoYes
Intel Smart Connect TechnologyKnown for oneYes
Intel Smart Connect Technology versionKnown for one1.00
Intel® Active Management Technology (Intel® AMT)Known for oneNo
Intel® High Definition Audio (Intel® HD Audio)Known for oneNo
Intel® Matrix Storage Technology (Intel® MST)Known for oneNo
Intel® Rapid Start TechnologyKnown for oneNo
Battery2 differ
Battery technologyDiffersLithium-Ion (Li-Ion)Lithium Polymer (LiPo)
Number of battery cellsDiffers34
Battery capacityKnown for one41 Wh
Battery life (max)Known for one4 h
Security1 differ
Cable lock slotDiffersNoYes
Password protectionKnown for oneYes
Weight & dimensions4 differ
WeightDiffers1.7 kg3 kg
WidthDiffers343 mm418 mm
DepthDiffers250 mm283 mm
HeightDiffers24 mm25.2 mm

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