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Product comparison · 2 laptops

Lenovo Essential B50 Intel® Celeron® N2830 Laptop vs Lenovo X240 + T52DEEU

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  • 125specifications compared
  • 60differ
  • 65identical
  • 69known for one product only

Key differences

  • Display diagonal
    • 39.6 cm (15.6")
    • 31.8 cm (12.5")
  • Processor family
    • Intel® Celeron®
    • Intel® Core™ i7
  • Processor model
    • N2830
    • i7-4600U
  • Processor threads
    • 2
    • 4
  • Processor boost frequency
    • 2.41 GHz
    • 3.3 GHz
  • Processor frequency
    • 2.16 GHz
    • 2.1 GHz
  • Processor cache
    • 1 MB
    • 4 MB
  • Processor cache type
    • L2
    • Smart Cache

Side by side

Differences highlightedShow differences only
194 specifications
A

Lenovo

Essential B50 Intel® Celeron® N2830 Laptop

Model B50

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B

Lenovo

X240 + T52DEEUView product
Designidentical
Product typeLaptopLaptop
Product colourBlackBlack
Form factorClamshellClamshell
Display1 differ
Display diagonalDiffers39.6 cm (15.6")31.8 cm (12.5")
Display resolution1366 x 768 pixels1366 x 768 pixels
TouchscreenNoNo
Panel typeKnown for oneIPS
LED backlightYesYes
Native aspect ratio16:916:9
Display brightnessKnown for one300 cd/m²
Contrast ratio (typical)Known for one700:1
Display surfaceKnown for oneMatt
Processor15 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Celeron®Intel® Core™ i7
Processor generationKnown for one4th gen Intel® Core™ i7
Processor modelDiffersN2830i7-4600U
Processor cores22
Processor threadsDiffers24
Processor boost frequencyDiffers2.41 GHz3.3 GHz
Processor frequencyDiffers2.16 GHz2.1 GHz
System bus rateKnown for one5 GT/s
Processor cacheDiffers1 MB4 MB
Processor cache typeDiffersL2Smart Cache
Processor socketDiffersBGA 1170BGA 1168
Processor lithography22 nm22 nm
Processor operating modesDiffers32-bit, 64-bit64-bit
Processor seriesDiffersIntel Celeron Processor N2000 Series for MobileIntel Core i7-4600 Mobile series
Processor codenameDiffersBay TrailHaswell
Bus typeKnown for oneDMI2
FSB ParityNoNo
SteppingDiffersC0D0
Thermal Design Power (TDP)Differs7.5 W15 W
Tjunction100 °C100 °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
Memory3 differ
Internal memoryDiffers4 GB8 GB
Internal memory typeDDR3L-SDRAMDDR3L-SDRAM
Memory clock speed1600 MHz1600 MHz
Memory form factorSO-DIMMSO-DIMM
Memory layout (slots x size)Differs1 x 4 GB1 x 8 GB
Memory slotsDiffers2x SO-DIMM1x SO-DIMM
Maximum internal memory8 GB8 GB
Maximum internal memory (64-bit)Known for one8 GB
Storage4 differ
Total storage capacityDiffers320 GB256 GB
Storage mediaDiffersHDDSSD
Number of SSDs installedKnown for one1
SSD capacityKnown for one256 GB
SSD interfaceKnown for oneSATA III
Optical drive typeDiffersDVD±RWNo
Card reader integratedYesYes
Compatible memory cardsDiffersMMC, SDMMC, SD, SDHC, SDXC
Number of HDDs installedKnown for one1
HDD capacityKnown for one320 GB
HDD speedKnown for one5400 RPM
Graphics3 differ
On-board graphics cardYesYes
Discrete graphics cardNoNo
Discrete graphics card modelNot availableNot available
On-board graphics card familyIntel® HD GraphicsIntel® HD Graphics
On-board graphics card modelDiffersIntel® HD GraphicsIntel® HD Graphics 4400
Maximum on-board graphics card memoryKnown for one1.74 GB
On-board graphics card base frequencyDiffers313 MHz200 MHz
On-board graphics card dynamic frequency (max)Differs750 MHz1100 MHz
On-board graphics card DirectX versionKnown for one11.2/12
On-board graphics card OpenGL versionKnown for one4.3
On-board graphics card IDKnown for one0xA16
On-board graphics card burst frequencyKnown for one750 MHz
Audio1 differ
Audio systemDiffersDolby Advanced AudioDolby Home Theater
Number of built-in speakers22
Speaker powerKnown for one1.5 W
Built-in microphoneYesYes
Cameraidentical
Front cameraYesYes
Front camera resolution (numeric)Known for one0.3 MP
Optical driveidentical
LightScribeNoNo
Network2 differ
Mobile network connectionKnown for oneYes
Mobile network generationKnown for one4G
2G standardsKnown for oneEdge, GPRS, GSM
3G standardsKnown for oneHSPA
4G standardKnown for oneLTE
Wi-FiYesYes
Top Wi-Fi standardKnown for oneWi-Fi 5 (802.11ac)
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)Wi-Fi 5 (802.11ac)
Ethernet LANDiffersYesNo
BluetoothYesYes
Bluetooth versionKnown for one4.0
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
4G WiMAXKnown for oneNo
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers10
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
Ethernet LAN (RJ-45) portsDiffers10
HDMI ports quantityDiffers10
DisplayPorts quantity00
Mini DisplayPorts quantityKnown for one1
DVI portNoNo
VGA (D-Sub) ports quantity11
Thunderbolt ports quantity00
S/PDIF out portNoNo
Docking connectorNoNo
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
Number of SATA III connectorsKnown for one4
USB Sleep-and-ChargeKnown for oneYes
eSATA/USB 2.0 ports quantityKnown for one0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one0
eSATA ports quantityKnown for one0
Firewire (IEEE 1394) portsKnown for one0
Headphone outputsKnown for one0
Combo headphone/mic portKnown for oneYes
Microphone inKnown for oneNo
ExpressCard slotKnown for oneNo
SmartCard slotKnown for oneNo
Total number of SATA connectorsKnown for one2
Performanceidentical
GPS (satellite)Known for oneYes
Keyboard1 differ
Pointing deviceDiffersTouchpadTrackpad
Numeric keypadYesYes
Island-style keyboardKnown for oneYes
Windows keysKnown for oneYes
Software1 differ
Operating system installedDiffersWindows 8.1Windows 7 Professional
Operating system architecture64-bit64-bit
Processor special features21 differ
Intel® Wireless Display (Intel® WiDi)YesYes
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyDiffersNoYes
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Identity Protection Technology versionDiffers0.001.00
Intel ME Firmware VersionKnown for one9.5
Intel Rapid Storage TechnologyDiffersNoYes
Intel Secure Key Technology version1.001.00
Intel Small Business Advantage (SBA) versionKnown for one1.00
Intel Smart Connect TechnologyYesYes
Intel Smart Connect Technology version1.001.00
Intel Smart Response Technology versionKnown for one1.00
Intel Stable Image Platform Program (SIPP)DiffersNoYes
Intel Stable Image Platform Program (SIPP) versionDiffers0.001.00
Intel TSX-NIKnown for oneNo
Intel TSX-NI versionKnown for one0.00
Intel Trusted Execution TechnologyDiffersNoYes
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)DiffersNoYes
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersNoYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® High Definition Audio (Intel® HD Audio)Known for oneYes
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® Identity Protection Technology (Intel® IPT)DiffersNoYes
Intel® InTru™ 3D TechnologyDiffersNoYes
Intel® Insider™DiffersNoYes
Intel® My WiFi Technology (Intel® MWT)NoNo
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 IDDiffers8107176616
Processor codeDiffersSR1W4SR1EA
Processor package sizeDiffers25 x 27 mm40 x 24 x 1.5 mm
Supported instruction setsKnown for oneAVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesDiffersNoYes
Conflict-Free processorYesYes
Graphics & IMC lithographyKnown for one22 nm
Battery1 differ
Battery technologyLithium-Ion (Li-Ion)Lithium-Ion (Li-Ion)
Number of battery cellsDiffers43+3
Battery capacityKnown for one2200 mAh
Battery life (max)Known for one5 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
Securityidentical
Cable lock slotNoNo
Operational conditionsidentical
Operating temperature (T-T)Known for one5 - 35 °C
Storage temperature (T-T)Known for one5 - 43 °C
Operating relative humidity (H-H)Known for one8 - 95%
Storage relative humidity (H-H)Known for one5 - 95%
Certificatesidentical
Compliance certificatesKnown for oneRoHS
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Gold, ENERGY STAR
Weight & dimensions4 differ
WeightDiffers2.32 kg1.42 kg
WidthDiffers380 mm305.5 mm
DepthDiffers262 mm208.5 mm
HeightDiffers24.7 mm19.9 mm

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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