Product comparison · 2 laptops

Lenovo Essential B40-70 Intel® Core™ i3 i3-4005U Laptop vs Lenovo Essential B50-30G Intel® Celeron® N2810 Laptop

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  • 139specifications compared
  • 45differ
  • 94identical
  • 35known for one product only

Key differences

  • Display diagonal
    • Essential B40-70 Intel® Core™ i3 i3-4005U Laptop:35.6 cm (14")
    • Essential B50-30G Intel® Celeron® N2810 Laptop:39.6 cm (15.6")
  • Processor family
    • Essential B40-70 Intel® Core™ i3 i3-4005U Laptop:Intel® Core™ i3
    • Essential B50-30G Intel® Celeron® N2810 Laptop:Intel® Celeron®
  • Processor model
    • Essential B40-70 Intel® Core™ i3 i3-4005U Laptop:i3-4005U
    • Essential B50-30G Intel® Celeron® N2810 Laptop:N2810
  • Processor threads
    • Essential B40-70 Intel® Core™ i3 i3-4005U Laptop:4
    • Essential B50-30G Intel® Celeron® N2810 Laptop:2
  • Processor frequency
    • Essential B40-70 Intel® Core™ i3 i3-4005U Laptop:1.7 GHz
    • Essential B50-30G Intel® Celeron® N2810 Laptop:2 GHz
  • Processor cache
    • Essential B40-70 Intel® Core™ i3 i3-4005U Laptop:3 MB
    • Essential B50-30G Intel® Celeron® N2810 Laptop:1 MB
  • Processor socket
    • Essential B40-70 Intel® Core™ i3 i3-4005U Laptop:BGA 1168
    • Essential B50-30G Intel® Celeron® N2810 Laptop:BGA 1170
  • Processor operating modes
    • Essential B40-70 Intel® Core™ i3 i3-4005U Laptop:64-bit
    • Essential B50-30G Intel® Celeron® N2810 Laptop:32-bit, 64-bit

Side by side

Differences highlightedShow differences only (on)
Comparison of B40-70, B50-30G
174 specifications
Display1 differ
Display diagonalDiffers35.6 cm (14")39.6 cm (15.6")
Display surfaceKnown for oneUnknown — not stated by the sourceGloss
Processor12 differ
Processor familyDiffersIntel® Core™ i3Intel® Celeron®
Processor generationKnown for one4th gen Intel® Core™ i3Unknown — not stated by the source
Processor modelDiffersi3-4005UN2810
Processor threadsDiffers42
Processor frequencyDiffers1.7 GHz2 GHz
System bus rateKnown for one5 GT/sUnknown — not stated by the source
Processor cacheDiffers3 MB1 MB
Processor socketDiffersBGA 1168BGA 1170
Processor operating modesDiffers64-bit32-bit, 64-bit
Processor seriesDiffersIntel® Core™ i3-4000 Mobile SeriesIntel Celeron Processor N2000 Series for Mobile
Processor codenameDiffersHaswellBay Trail
Bus typeKnown for oneDMIUnknown — not stated by the source
Thermal Design Power (TDP)Differs15 W7.5 W
Maximum number of PCI Express lanesDiffers104
PCI Express configurationsDiffers4x1, 1x41x4
SteppingKnown for oneUnknown — not stated by the sourceB2
Scenario Design Power (SDP)Known for oneUnknown — not stated by the source1.5 W
Memory4 differ
Internal memoryDiffers4 GB2 GB
Memory form factorKnown for oneSO-DIMMUnknown — not stated by the source
Memory layout (slots x size)Differs1 x 4 GB1 x 2 GB
Maximum internal memoryDiffers16 GB8 GB
Maximum internal memory (64-bit)Differs16 GB8 GB
Storage4 differ
Total storage capacityDiffers500 GB320 GB
HDD capacityDiffers500 GB320 GB
Optical drive typeDiffersDVD±RWNo
Compatible memory cardsDiffersMMC, SDMMC, SD, SDHC, SDXC
Graphics3 differ
On-board graphics card modelDiffersIntel® HD Graphics 4400Intel® HD Graphics
Maximum on-board graphics card memoryKnown for one2 GBUnknown — not stated by the source
On-board graphics card base frequencyDiffers200 MHz313 MHz
On-board graphics card dynamic frequency (max)Differs950 MHz756 MHz
On-board graphics card DirectX versionKnown for one12Unknown — not stated by the source
On-board graphics card IDKnown for one0xA16Unknown — not stated by the source
Discrete graphics cardKnown for oneUnknown — not stated by the sourceNo
Discrete graphics card modelKnown for oneUnknown — not stated by the sourceNot available
On-board graphics card burst frequencyKnown for oneUnknown — not stated by the source756 MHz
Audio1 differ
Audio systemDiffersHDDolby Advanced v2
Ports & interfacesidentical
Total number of SATA connectorsKnown for one2Unknown — not stated by the source
Number of SATA III connectorsKnown for one2Unknown — not stated by the source
Keyboard1 differ
Numeric keypadDiffersNoYes
Processor special features15 differ
Intel Identity Protection Technology versionDiffers1.000.00
Intel ME Firmware VersionKnown for one9.5Unknown — not stated by the source
Intel Rapid Storage TechnologyDiffersYesNo
Intel Secure Key Technology versionKnown for one1.00Unknown — not stated by the source
Intel Small Business Advantage (SBA) versionKnown for one0.00Unknown — not stated by the source
Intel Smart Response Technology versionKnown for one0.00Unknown — not stated by the source
Intel TSX-NIKnown for oneNoUnknown — not stated by the source
Intel TSX-NI versionKnown for one0.00Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)DiffersYesNo
Intel® AES New Instructions (Intel® AES-NI)DiffersYesNo
Intel® Anti-Theft Technology (Intel® AT)DiffersYesNo
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersYesNo
Intel® High Definition Audio (Intel® HD Audio)DiffersYesNo
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersYesNo
Intel® Identity Protection Technology (Intel® IPT)DiffersYesNo
Intel® InTru™ 3D TechnologyDiffersYesNo
Intel® Insider™DiffersYesNo
Intel® Quick Sync Video TechnologyDiffersYesNo
Intel® Secure KeyKnown for oneYesUnknown — not stated by the source
Intel® Smart CacheKnown for oneYesUnknown — not stated by the source
Intel® Virtualization Technology (Intel® VT)Known for oneVT-xUnknown — not stated by the source
Processor ARK IDDiffers7510576753
Processor package sizeDiffers40 x 24 x 1.5 mm25 x 27 mm
Supported instruction setsKnown for oneAVX 2.0, SSE4.1, SSE4.2Unknown — not stated by the source
Thermal Monitoring TechnologiesDiffersYesNo
UARTKnown for oneYesUnknown — not stated by the source
Graphics & IMC lithographyKnown for oneUnknown — not stated by the source22 nm
Processor codeKnown for oneUnknown — not stated by the sourceSR1LX
Battery1 differ
Battery life (max)Differs6 h5 h
Battery capacityKnown for oneUnknown — not stated by the source2200 mAh
Poweridentical
AC adapter frequencyKnown for oneUnknown — not stated by the source50 - 60 Hz
AC adapter input voltageKnown for oneUnknown — not stated by the source100 - 240 V
Securityidentical
Fingerprint readerKnown for oneYesUnknown — not stated by the source
Password protectionKnown for oneYesUnknown — not stated by the source
Password protection typeKnown for oneBIOS, UserUnknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers340 mm380 mm
DepthDiffers247 mm262 mm
HeightDiffers24.5 mm24.7 mm
Optical driveidentical
LightScribeKnown for oneUnknown — not stated by the sourceNo

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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