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Product comparison · 2 laptops

Lenovo B51-30 Intel® Celeron® N3050 Laptop vs Lenovo IdeaPad U41 Intel® Core™ i7 i7-5500U Laptop

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  • 110specifications compared
  • 48differ
  • 62identical
  • 70known for one product only

Key differences

  • Product colour
    • Black
    • Silver
  • Display diagonal
    • 39.6 cm (15.6")
    • 35.6 cm (14")
  • Display resolution
    • 1366 x 768 pixels
    • 1920 x 1080 pixels
  • HD type
    • HD
    • Full HD
  • Processor family
    • Intel® Celeron®
    • Intel® Core™ i7
  • Processor model
    • N3050
    • i7-5500U
  • Processor threads
    • 2
    • 4
  • Processor boost frequency
    • 2.16 GHz
    • 3 GHz

Side by side

Differences highlightedShow differences only
180 specifications
A

Lenovo

B51-30 Intel® Celeron® N3050 Laptop

Model B51-30

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B

Lenovo

IdeaPad U41 Intel® Core™ i7 i7-5500U Laptop

Model U41

View product
Design1 differ
Product colourDiffersBlackSilver
Display3 differ
Display diagonalDiffers39.6 cm (15.6")35.6 cm (14")
Display resolutionDiffers1366 x 768 pixels1920 x 1080 pixels
HD typeDiffersHDFull HD
Display surfaceKnown for oneMatt
Processor15 differ
Processor familyDiffersIntel® Celeron®Intel® Core™ i7
Processor generationKnown for one5th gen Intel® Core™ i7
Processor modelDiffersN3050i7-5500U
Processor threadsDiffers24
Processor boost frequencyDiffers2.16 GHz3 GHz
Processor frequencyDiffers1.6 GHz2.4 GHz
Processor cacheDiffers2 MB4 MB
Processor cache typeDiffersL2L3
Processor socketDiffersBGA 1170BGA 1168
Processor operating modesDiffers64-bit32-bit, 64-bit
Processor seriesDiffersIntel Celeron N3000 seriesIntel Core i7-5500 Mobile Series
Processor codenameDiffersBraswellBroadwell
Bus typeKnown for oneDMI2
FSB ParityKnown for oneNo
SteppingDiffersC0F0
Thermal Design Power (TDP)Differs6 W15 W
Configurable TDP-downKnown for one7.5 W
Configurable TDP-down frequencyKnown for one0.6 GHz
TjunctionDiffers90 °C105 °C
Maximum number of PCI Express lanesDiffers412
PCI Express configurationsKnown for one4x1, 2x4
Scenario Design Power (SDP)Known for one4 W
Memory1 differ
Internal memory typeDiffersDDR3L-SDRAMDDR3-SDRAM
Memory form factorKnown for oneSO-DIMM
Memory layout (slots x size)Known for one1 x 4 GB
Memory slotsKnown for one1x SO-DIMM
Storage3 differ
Total storage capacityDiffers500 GB1 TB
Storage mediaDiffersHDDHybrid-HDD
Hybrid-HDD cache typeKnown for oneFlash
Hybrid-HDD capacityKnown for one1 TB
Hybrid-HDD cache memoryKnown for one8 GB
Optical drive typeDiffersDVD±RWNo
Number of HDDs installedKnown for one1
HDD capacityKnown for one500 GB
Graphics5 differ
Discrete graphics cardDiffersNoYes
Discrete graphics card modelDiffersNot availableNVIDIA® GeForce® GT 940M
Discrete graphics card memoryKnown for one2 GB
On-board graphics card modelDiffersIntel® HD GraphicsIntel® HD Graphics 5500
Maximum on-board graphics card memoryDiffers8 GB16 GB
On-board graphics card base frequencyDiffers320 MHz300 MHz
On-board graphics card dynamic frequency (max)Known for one950 MHz
On-board graphics card DirectX versionKnown for one11.2
On-board graphics card OpenGL versionKnown for one4.3
On-board graphics card IDKnown for one0x1616
Graphics card Open GL supportKnown for oneYes
Number of execution unitsKnown for one12
On-board graphics card burst frequencyKnown for one600 MHz
Audioidentical
Audio systemKnown for oneDolby DS1.0 Home Theater
Speaker powerKnown for one1.5 W
Optical driveidentical
LightScribeKnown for oneNo
Network1 differ
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)
Bluetooth versionKnown for one4.0
Integrated 4G WiMAXKnown for oneNo
Ports & interfaces1 differ
VGA (D-Sub) ports quantityDiffers10
Headphone outputsKnown for one0
S/PDIF out portKnown for oneNo
Microphone inKnown for oneNo
Docking connectorKnown for oneNo
ExpressCard slotKnown for oneNo
CardBus PCMCIA slots quantityKnown for one0
CardBus PCMCIA slot typeKnown for oneNo
SmartCard slotKnown for oneNo
USB Sleep-and-ChargeKnown for oneYes
USB Sleep-and-Charge portsKnown for one1
Keyboard1 differ
Numeric keypadDiffersYesNo
Windows keysKnown for oneYes
Software1 differ
Operating system installedDiffersNoWindows 8.1
Operating system architectureKnown for one64-bit
Processor special features12 differ
Graphics & IMC lithographyKnown for one14 nm
Intel Demand Based SwitchingKnown for oneNo
Intel Dual Display Capable TechnologyKnown for oneNo
Intel FDI TechnologyKnown for oneYes
Intel Fast Memory AccessKnown for oneYes
Intel Flex Memory AccessKnown for oneYes
Intel HD GraphicsKnown for oneYes
Intel Small Business Advantage (SBA) versionDiffers0.001.00
Intel Smart Response Technology versionDiffers0.001.00
Intel TSX-NIKnown for oneNo
Intel TSX-NI versionKnown for one0.00
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® Built-in Visuals TechnologyKnown for oneYes
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® InTru™ 3D TechnologyDiffersNoYes
Intel® Insider™DiffersNoYes
Intel® My WiFi Technology (Intel® MWT)Known for oneNo
Intel® OS GuardDiffersNoYes
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)Known for oneVT-x, VT-d
Processor ARK IDDiffers8725785214
Processor codeKnown for oneSR23W
Processor package sizeDiffers25 x 27 mm40 x 24 x 1.3 mm
Supported instruction setsKnown for oneAVX 2.0, SSE4.1, SSE4.2
Intel Secure BootKnown for oneYes
Intel Secure Boot Technology versionKnown for one1.00
Intel Smart Connect TechnologyKnown for oneNo
Intel Smart Connect Technology versionKnown for one0.00
Intel® High Definition Audio (Intel® HD Audio)Known for oneYes
UARTKnown for oneYes
Batteryidentical
Number of battery cellsKnown for one2
Battery capacityKnown for one30 Wh
Battery life (max)Known for one6 h
Poweridentical
AC adapter frequencyKnown for one50 - 60 Hz
AC adapter input voltageKnown for one100 - 240 V
Securityidentical
Cable lock slotKnown for oneNo
Weight & dimensions4 differ
WeightDiffers2.3 kg1.68 kg
WidthDiffers380 mm340 mm
DepthDiffers262 mm240 mm
HeightDiffers24.7 mm19.5 mm
Packaging contentidentical
Power cord includedKnown for oneYes

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