Product comparison · 2 laptops

Lenovo ideapad 100 (15") vs Lenovo Z51 Intel® Core™ i7 i7-5500U Laptop

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  • 98specifications compared
  • 51differ
  • 47identical
  • 77known for one product only

Key differences

  • Display resolution
    • ideapad 100 (15"):1366 x 768 pixels
    • Z51 Intel® Core™ i7 i7-5500U Laptop:1920 x 1080 pixels
  • Processor family
    • ideapad 100 (15"):Intel® Celeron®
    • Z51 Intel® Core™ i7 i7-5500U Laptop:Intel® Core™ i7
  • Processor model
    • ideapad 100 (15"):N2840
    • Z51 Intel® Core™ i7 i7-5500U Laptop:i7-5500U
  • Processor threads
    • ideapad 100 (15"):2
    • Z51 Intel® Core™ i7 i7-5500U Laptop:4
  • Processor boost frequency
    • ideapad 100 (15"):2.58 GHz
    • Z51 Intel® Core™ i7 i7-5500U Laptop:3 GHz
  • Processor frequency
    • ideapad 100 (15"):2.16 GHz
    • Z51 Intel® Core™ i7 i7-5500U Laptop:2.4 GHz
  • Processor cache
    • ideapad 100 (15"):1 MB
    • Z51 Intel® Core™ i7 i7-5500U Laptop:4 MB
  • Processor cache type
    • ideapad 100 (15"):L2
    • Z51 Intel® Core™ i7 i7-5500U Laptop:L3

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Differences highlightedShow differences only (on)
Comparison of ideapad 100 (15"), Z51
175 specifications
Display1 differ
Display resolutionDiffers1366 x 768 pixels1920 x 1080 pixels
HD typeKnown for oneUnknown — not stated by the sourceFull HD
LED backlightKnown for oneUnknown — not stated by the sourceYes
Display brightnessKnown for oneUnknown — not stated by the source200 cd/m²
Processor16 differ
Processor familyDiffersIntel® Celeron®Intel® Core™ i7
Processor generationKnown for oneUnknown — not stated by the source5th gen Intel® Core™ i7
Processor modelDiffersN2840i7-5500U
Processor threadsDiffers24
Processor boost frequencyDiffers2.58 GHz3 GHz
Processor frequencyDiffers2.16 GHz2.4 GHz
System bus rateKnown for oneUnknown — not stated by the source5 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 oneUnknown — not stated by the sourceDMI2
SteppingDiffersC0F0
Thermal Design Power (TDP)Differs7.5 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 lanesDiffers412
PCI Express configurationsDiffers1x44x1, 2x4
Scenario Design Power (SDP)Known for one4.5 WUnknown — not stated by the source
Memory2 differ
Internal memoryDiffers4 GB8 GB
Memory clock speedDiffers1333 MHz1600 MHz
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 memoryKnown for oneUnknown — not stated by the source16 GB
Maximum internal memory (64-bit)Known for oneUnknown — not stated by the source16 GB
Storage3 differ
Total storage capacityDiffers500 GB1 TB
Storage mediaDiffersHDDHybrid-HDD
Optical drive typeDiffersNoDVD±RW
Card reader integratedKnown for oneUnknown — not stated by the sourceYes
Compatible memory cardsKnown for oneUnknown — not stated by the sourceMMC, SD, SDHC, SDXC
Number of HDDs installedKnown for one1Unknown — not stated by the source
HDD capacityKnown for one500 GBUnknown — not stated by the source
HDD speedKnown for one5400 RPMUnknown — not stated by the source
Graphics5 differ
Discrete graphics cardDiffersNoYes
Discrete graphics card modelDiffersNot availableAMD Radeon R9 M375
Discrete graphics card memoryKnown for oneUnknown — not stated by the source2 GB
On-board graphics card modelDiffersIntel® HD GraphicsIntel® HD Graphics 5500
Maximum on-board graphics card memoryKnown for oneUnknown — not stated by the source16 GB
On-board graphics card base frequencyDiffers311 MHz300 MHz
On-board graphics card dynamic frequency (max)Differs792 MHz950 MHz
On-board graphics card DirectX versionKnown for oneUnknown — not stated by the source11.2
On-board graphics card IDKnown for oneUnknown — not stated by the source0x1616
Number of discrete graphics cards installedKnown for oneUnknown — not stated by the source1
On-board graphics card burst frequencyKnown for one792 MHzUnknown — not stated by the source
Graphics card Open GL supportKnown for oneYesUnknown — not stated by the source
Audioidentical
Audio systemKnown for oneUnknown — not stated by the sourceDolby 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 cameraKnown for oneUnknown — not stated by the sourceYes
Front camera resolution (numeric)Known for oneUnknown — not stated by the source1 MP
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)
Ethernet LAN data ratesKnown for oneUnknown — not stated by the source10,100,1000 Mbit/s
Bluetooth versionKnown for oneUnknown — not stated by the source4.0
Ports & interfacesidentical
USB 2.0 ports quantityKnown for oneUnknown — not stated by the source1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for oneUnknown — not stated by the source2
HDMI ports quantityKnown for oneUnknown — not stated by the source1
DisplayPorts quantityKnown for oneUnknown — not stated by the source0
DVI portKnown for oneUnknown — not stated by the sourceNo
VGA (D-Sub) ports quantityKnown for oneUnknown — not stated by the source1
Thunderbolt ports quantityKnown for oneUnknown — not stated by the source0
S/PDIF out portKnown for oneUnknown — not stated by the sourceNo
Combo headphone/mic portKnown for oneUnknown — not stated by the sourceYes
Docking connectorKnown for oneUnknown — not stated by the sourceNo
ExpressCard slotKnown for oneUnknown — not stated by the sourceNo
CardBus PCMCIA slots quantityKnown for oneUnknown — not stated by the source0
CardBus PCMCIA slot typeKnown for oneUnknown — not stated by the sourceNo
SmartCard slotKnown for oneUnknown — not stated by the sourceNo
Total number of SATA connectorsKnown for one2Unknown — 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
Processor special features19 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 versionKnown for oneUnknown — not stated by the source1.00
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 TSX-NIKnown for oneUnknown — not stated by the sourceNo
Intel TSX-NI versionKnown for oneUnknown — not stated by the source0.00
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)Known for oneUnknown — not stated by the sourceYes
Intel® InTru™ 3D TechnologyDiffersNoYes
Intel® Insider™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 CacheKnown for oneUnknown — not stated by the sourceYes
Intel® Smart Response TechnologyKnown for oneUnknown — not stated by the sourceYes
Intel® Turbo Boost TechnologyDiffersNo2.0
Intel® Virtualization Technology (Intel® VT)DiffersVT-xVT-d, VT-x
Processor ARK IDDiffers8210385214
Processor codeDiffersSR1YJSR23W
Processor package sizeDiffers25 x 27 mm40 x 24 x 1.3 mm
Supported instruction setsKnown for oneUnknown — not stated by the sourceAVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesDiffersNoYes
Intel Smart Connect TechnologyKnown for oneYesUnknown — not stated by the source
Intel Smart Connect Technology versionKnown for one1.00Unknown — not stated by the source
Battery1 differ
Number of battery cellsDiffers34
Battery capacityKnown for oneUnknown — not stated by the source41 Wh
Battery technologyKnown for oneLithium-Ion (Li-Ion)Unknown — not stated by the source
Poweridentical
AC adapter powerKnown for oneUnknown — not stated by the source65 W
Securityidentical
Fingerprint readerKnown for oneUnknown — not stated by the sourceNo
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
WeightDiffers2.1 kg2.3 kg
WidthDiffers378 mm384 mm
HeightDiffers22.6 mm24.6 mm
Packaging contentidentical
AC adapter includedKnown for oneYesUnknown — not stated by the source
Power cord includedKnown for oneYesUnknown — 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.

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