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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
    • 1366 x 768 pixels
    • 1920 x 1080 pixels
  • Processor family
    • Intel® Celeron®
    • Intel® Core™ i7
  • Processor model
    • N2840
    • i7-5500U
  • Processor threads
    • 2
    • 4
  • Processor boost frequency
    • 2.58 GHz
    • 3 GHz
  • Processor frequency
    • 2.16 GHz
    • 2.4 GHz
  • Processor cache
    • 1 MB
    • 4 MB
  • Processor cache type
    • L2
    • L3

Side by side

Differences highlightedShow differences only
175 specifications
A

Lenovo

ideapad 100 (15")View product
B

Lenovo

Z51 Intel® Core™ i7 i7-5500U Laptop

Model Z51

View product
Designidentical
Product typeLaptopLaptop
Product colourBlackBlack
Form factorClamshellClamshell
Display1 differ
Display diagonal39.6 cm (15.6")39.6 cm (15.6")
Display resolutionDiffers1366 x 768 pixels1920 x 1080 pixels
TouchscreenNoNo
HD typeKnown for oneFull HD
LED backlightKnown for oneYes
Native aspect ratio16:916:9
Display brightnessKnown for one200 cd/m²
Processor16 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Celeron®Intel® Core™ i7
Processor generationKnown for one5th gen Intel® Core™ i7
Processor modelDiffersN2840i7-5500U
Processor cores22
Processor threadsDiffers24
Processor boost frequencyDiffers2.58 GHz3 GHz
Processor frequencyDiffers2.16 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 operating modes32-bit, 64-bit32-bit, 64-bit
Processor seriesDiffersIntel Celeron Processor N2000 Series for MobileIntel Core i7-5500 Mobile Series
Processor codenameDiffersBay TrailBroadwell
Bus typeKnown for oneDMI2
FSB ParityNoNo
SteppingDiffersC0F0
Thermal Design Power (TDP)Differs7.5 W15 W
Configurable TDP-downKnown for one7.5 W
Configurable TDP-down frequencyKnown for one0.6 GHz
TjunctionDiffers100 °C105 °C
Maximum number of PCI Express lanesDiffers412
PCI Express configurationsDiffers1x44x1, 2x4
PCI Express slots version2.02.0
ECC supported by processorNoNo
Scenario Design Power (SDP)Known for one4.5 W
Memory2 differ
Internal memoryDiffers4 GB8 GB
Internal memory typeDDR3L-SDRAMDDR3L-SDRAM
Memory clock speedDiffers1333 MHz1600 MHz
Memory form factorKnown for oneSO-DIMM
Memory layout (slots x size)Known for one1 x 8 GB
Memory slotsKnown for one2x SO-DIMM
Maximum internal memoryKnown for one16 GB
Maximum internal memory (64-bit)Known for one16 GB
Storage3 differ
Total storage capacityDiffers500 GB1 TB
Storage mediaDiffersHDDHybrid-HDD
Optical drive typeDiffersNoDVD±RW
Card reader integratedKnown for oneYes
Compatible memory cardsKnown for oneMMC, SD, SDHC, SDXC
Number of HDDs installedKnown for one1
HDD capacityKnown for one500 GB
HDD speedKnown for one5400 RPM
Graphics5 differ
On-board graphics cardYesYes
Discrete graphics cardDiffersNoYes
Discrete graphics card modelDiffersNot availableAMD Radeon R9 M375
Discrete graphics card memoryKnown for one2 GB
On-board graphics card familyIntel® HD GraphicsIntel® HD Graphics
On-board graphics card modelDiffersIntel® HD GraphicsIntel® HD Graphics 5500
Maximum on-board graphics card memoryKnown for one16 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 one11.2
On-board graphics card IDKnown for one0x1616
Number of discrete graphics cards installedKnown for one1
On-board graphics card burst frequencyKnown for one792 MHz
Graphics card Open GL supportKnown for oneYes
Audioidentical
Audio systemKnown for oneDolby Home Theater
Number of built-in speakersKnown for one2
Speakers manufacturerKnown for oneJBL
Speaker powerKnown for one2.5 W
Built-in microphoneYesYes
Cameraidentical
Front cameraKnown for oneYes
Front camera resolution (numeric)Known for one1 MP
Optical driveidentical
LightScribeNoNo
Network1 differ
Wi-FiYesYes
Top Wi-Fi standardKnown for oneWi-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 LANYesYes
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
BluetoothYesYes
Bluetooth versionKnown for one4.0
Ports & interfacesidentical
USB 2.0 ports quantityKnown for one1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one2
Ethernet LAN (RJ-45) ports11
HDMI ports quantityKnown for one1
DisplayPorts quantityKnown for one0
DVI portKnown for oneNo
VGA (D-Sub) ports quantityKnown for one1
Thunderbolt ports quantityKnown for one0
S/PDIF out portKnown for oneNo
Combo headphone/mic portKnown for oneYes
Docking connectorKnown for oneNo
ExpressCard slotKnown for oneNo
CardBus PCMCIA slots quantityKnown for one0
CardBus PCMCIA slot typeKnown for oneNo
SmartCard slotKnown for oneNo
Total number of SATA connectorsKnown for one2
Performanceidentical
Motherboard chipsetKnown for oneIntel SoC
Keyboardidentical
Keyboard backlitKnown for oneNo
Numeric keypadYesYes
Island-style keyboardKnown for oneYes
Windows keysYesYes
Pointing deviceKnown for oneTouchpad
Softwareidentical
Operating system installedWindows 8.1Windows 8.1
Operating system architecture64-bit64-bit
Processor special features19 differ
Intel® Wireless Display (Intel® WiDi)YesYes
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithographyDiffers22 nm14 nm
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyDiffersNoYes
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyDiffersNoYes
Intel Fast Memory AccessDiffersNoYes
Intel Flex Memory AccessDiffersNoYes
Intel Identity Protection Technology versionKnown for one1.00
Intel Rapid Storage TechnologyNoNo
Intel Secure Key Technology version1.001.00
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 Trusted Execution TechnologyNoNo
Intel VT-x with Extended Page Tables (EPT)DiffersNoYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Anti-Theft Technology (Intel® AT)NoNo
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 oneYes
Intel® InTru™ 3D TechnologyDiffersNoYes
Intel® Insider™DiffersNoYes
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® OS GuardKnown for oneYes
Intel® Quick Sync Video TechnologyYesYes
Intel® Secure KeyYesYes
Intel® Small Business Advantage (Intel® SBA)Known for oneYes
Intel® Smart CacheKnown for oneYes
Intel® Smart Response TechnologyKnown for oneYes
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 oneAVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesDiffersNoYes
Conflict-Free processorYesYes
Intel Smart Connect TechnologyKnown for oneYes
Intel Smart Connect Technology versionKnown for one1.00
Battery1 differ
Number of battery cellsDiffers34
Battery capacityKnown for one41 Wh
Battery technologyKnown for oneLithium-Ion (Li-Ion)
Poweridentical
AC adapter powerKnown for one65 W
DC-in jackYesYes
Securityidentical
Cable lock slotNoNo
Fingerprint readerKnown for oneNo
Certificatesidentical
Compliance certificatesKnown for oneRoHS
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Silver, ENERGY STAR
Weight & dimensions3 differ
WeightDiffers2.1 kg2.3 kg
WidthDiffers378 mm384 mm
Depth265 mm265 mm
HeightDiffers22.6 mm24.6 mm
Packaging contentidentical
AC adapter includedKnown for oneYes
Power cord includedKnown for oneYes

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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