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Product comparison · 2 laptops

Lenovo Essential B51 Intel® Core™ i5 i5-6200U Laptop vs Lenovo E31-70 + Office 2016 Home & Business

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  • 127specifications compared
  • 42differ
  • 85identical
  • 25known for one product only

Key differences

  • Display diagonal
    • 39.6 cm (15.6")
    • 33.8 cm (13.3")
  • Processor family
    • Intel® Core™ i5
    • Intel® Core™ i3
  • Processor generation
    • 6th gen Intel® Core™ i5
    • 5th gen Intel® Core™ i3
  • Processor model
    • i5-6200U
    • i3-5005U
  • Processor frequency
    • 2.3 GHz
    • 2 GHz
  • System bus rate
    • 4 GT/s
    • 5 GT/s
  • Processor socket
    • LGA 1356 (Socket B2)
    • BGA 1168
  • Processor operating modes
    • 64-bit
    • 32-bit, 64-bit

Side by side

Differences highlightedShow differences only
152 specifications
A

Lenovo

Essential B51 Intel® Core™ i5 i5-6200U Laptop

Model B51

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B

Lenovo

E31-70 + Office 2016 Home & BusinessView product
Designidentical
Product typeLaptopLaptop
Product colourBlackBlack
Form factorClamshellClamshell
Display1 differ
Display diagonalDiffers39.6 cm (15.6")33.8 cm (13.3")
Display resolution1366 x 768 pixels1366 x 768 pixels
TouchscreenNoNo
HD typeHDHD
LED backlightYesYes
Native aspect ratio16:916:9
Display surfaceKnown for oneMatt
Processor16 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™ i5Intel® Core™ i3
Processor generationDiffers6th gen Intel® Core™ i55th gen Intel® Core™ i3
Processor modelDiffersi5-6200Ui3-5005U
Processor cores22
Processor threads44
Processor boost frequencyKnown for one2.8 GHz
Processor frequencyDiffers2.3 GHz2 GHz
System bus rateDiffers4 GT/s5 GT/s
Processor cache3 MB3 MB
Processor cache typeSmart CacheSmart Cache
Processor socketDiffersLGA 1356 (Socket B2)BGA 1168
Processor lithography14 nm14 nm
Processor operating modesDiffers64-bit32-bit, 64-bit
Processor seriesDiffersIntel Core i5-6200 seriesIntel Core i3-5000 Mobile series
Processor codenameDiffersSkylakeBroadwell
Bus typeDiffersQPIDMI2
SteppingDiffersD1F0
Thermal Design Power (TDP)15 W15 W
Configurable TDP-up frequencyKnown for one2.4 GHz
Configurable TDP-upKnown for one25 W
Configurable TDP-downDiffers7.5 W10 W
Configurable TDP-down frequencyDiffers0.8 GHz0.6 GHz
TjunctionDiffers100 °C105 °C
Maximum number of PCI Express lanes1212
PCI Express configurationsDiffers1x4, 4x12x4, 4x1
PCI Express slots versionDiffers3.02.0
ECC supported by processorKnown for oneNo
Memory2 differ
Internal memory4 GB4 GB
Internal memory typeDDR3L-SDRAMDDR3L-SDRAM
Memory clock speed1600 MHz1600 MHz
Memory form factorSO-DIMMSO-DIMM
Memory slotsDiffers2x SO-DIMM1x SO-DIMM
Maximum internal memoryDiffers16 GB8 GB
Storage3 differ
Total storage capacityDiffers500 GB128 GB
Storage mediaDiffersHDDSSD
Number of HDDs installedKnown for one1
HDD capacityKnown for one500 GB
HDD sizeKnown for one2.5"
Optical drive typeDiffersDVD±RWNo
Card reader integratedYesYes
Compatible memory cardsMMC, SD, SDHC, SDXCMMC, SD, SDHC, SDXC
Number of SSDs installedKnown for one1
SSD capacityKnown for one128 GB
SSD interfaceKnown for oneSATA III
Graphics5 differ
On-board graphics cardYesYes
Discrete graphics cardNoNo
Discrete graphics card modelNot availableNot available
On-board graphics card familyKnown for oneIntel® HD Graphics
On-board graphics card modelDiffersIntel® HD Graphics 520Intel® HD Graphics 5500
Maximum on-board graphics card memoryDiffers1.74 GB16 GB
On-board graphics card base frequency300 MHz300 MHz
On-board graphics card dynamic frequency (max)Differs1000 MHz850 MHz
On-board graphics card DirectX versionDiffers12.011.2
On-board graphics card OpenGL versionKnown for one4.4
On-board graphics card IDDiffers19160x1616
Audioidentical
Number of built-in speakers22
Built-in microphoneKnown for oneYes
Cameraidentical
Front cameraYesYes
Network1 differ
Wi-FiYesYes
Wi-Fi standardsDiffers802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)Wi-Fi 5 (802.11ac)
Ethernet LANYesYes
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
BluetoothYesYes
Bluetooth version4.04.0
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers10
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
DisplayPorts quantity00
DVI portNoNo
VGA (D-Sub) ports quantity11
Thunderbolt ports quantity00
Headphone outputs00
Combo headphone/mic portYesYes
Microphone inNoNo
Docking connectorNoNo
Keyboard1 differ
Pointing deviceTouchpadTouchpad
Numeric keypadDiffersYesNo
Windows keysYesYes
Software1 differ
Operating system installedDiffersWindows 10 HomeWindows 10 Pro
Operating system architecture64-bit64-bit
Processor special features6 differ
Intel® Wireless Display (Intel® WiDi)YesYes
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithography14 nm14 nm
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyYesYes
Intel Enhanced Halt StateYesYes
Intel Flex Memory AccessYesYes
Intel Identity Protection Technology version1.001.00
Intel Secure Key Technology version1.001.00
Intel Small Business Advantage (SBA) version1.001.00
Intel Smart Response Technology version1.001.00
Intel Software Guard Extensions (Intel SGX)Known for oneYes
Intel Stable Image Platform Program (SIPP)NoNo
Intel Stable Image Platform Program (SIPP) version0.000.00
Intel TSX-NINoNo
Intel TSX-NI versionDiffers1.000.00
Intel Trusted Execution TechnologyNoNo
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)YesYes
Intel® AES New Instructions (Intel® AES-NI)YesYes
Intel® Clear Video HD Technology (Intel® CVT HD)YesYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)YesYes
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Identity Protection Technology (Intel® IPT)YesYes
Intel® InTru™ 3D TechnologyYesYes
Intel® Insider™YesYes
Intel® My WiFi Technology (Intel® MWT)Known for oneYes
Intel® OS GuardYesYes
Intel® Quick Sync Video TechnologyYesYes
Intel® Secure KeyYesYes
Intel® Small Business Advantage (Intel® SBA)YesYes
Intel® Smart CacheYesYes
Intel® Smart Response TechnologyYesYes
Intel® Turbo Boost TechnologyDiffers2.0No
Processor ARK IDDiffers8819384695
Processor codeDiffersSR2EYSR27G
Processor package sizeDiffers42 X 24 mm40 x 24x 1.3 mm
Supported instruction setsDiffersSSE4.1, SSE4.2, AVX 2.0AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorYesYes
Intel FDI TechnologyKnown for oneYes
Intel Fast Memory AccessKnown for oneYes
Battery1 differ
Battery technologyKnown for oneLithium-Ion (Li-Ion)
Number of battery cellsDiffers42
Battery life (max)Known for one6 h
Poweridentical
AC adapter powerKnown for one45 W
AC adapter frequencyKnown for one50 - 60 Hz
AC adapter input voltageKnown for one100 - 240 V
DC-in jackYesYes
Weight & dimensions4 differ
WeightDiffers2.15 kg1.59 kg
WidthDiffers380 mm323.4 mm
DepthDiffers262 mm230 mm
HeightDiffers24.7 mm21.5 mm
Packaging contentidentical
AC adapter includedYesYes
Securityidentical
Fingerprint readerKnown for oneYes

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