Product comparison · 2 laptops

Lenovo IdeaPad B4400 Intel® Core™ i5 i5-4200M Laptop vs Lenovo T440p + 70A29002E

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  • 132specifications compared
  • 38differ
  • 94identical
  • 49known for one product only

Key differences

  • Product colour
    • IdeaPad B4400 Intel® Core™ i5 i5-4200M Laptop:Grey
    • T440p + 70A29002E:Black
  • Display resolution
    • IdeaPad B4400 Intel® Core™ i5 i5-4200M Laptop:1366 x 768 pixels
    • T440p + 70A29002E:1600 x 900 pixels
  • Processor family
    • IdeaPad B4400 Intel® Core™ i5 i5-4200M Laptop:Intel® Core™ i5
    • T440p + 70A29002E:Intel® Core™ i7
  • Processor generation
    • IdeaPad B4400 Intel® Core™ i5 i5-4200M Laptop:4th gen Intel® Core™ i5
    • T440p + 70A29002E:4th gen Intel® Core™ i7
  • Processor model
    • IdeaPad B4400 Intel® Core™ i5 i5-4200M Laptop:i5-4200M
    • T440p + 70A29002E:i7-4700MQ
  • Processor cores
    • IdeaPad B4400 Intel® Core™ i5 i5-4200M Laptop:2
    • T440p + 70A29002E:4
  • Processor threads
    • IdeaPad B4400 Intel® Core™ i5 i5-4200M Laptop:4
    • T440p + 70A29002E:8
  • Processor boost frequency
    • IdeaPad B4400 Intel® Core™ i5 i5-4200M Laptop:3.1 GHz
    • T440p + 70A29002E:3.4 GHz

Side by side

Differences highlightedShow differences only (on)
Comparison of B4400, T440p + 70A29002E
181 specifications
Design1 differ
Product colourDiffersGreyBlack
Housing materialKnown for oneUnknown — not stated by the sourceCarbon fibre, Glass fibre, Plastic
Display1 differ
Display resolutionDiffers1366 x 768 pixels1600 x 900 pixels
HD typeKnown for oneUnknown — not stated by the sourceHD+
Display brightnessKnown for oneUnknown — not stated by the source250 cd/m²
Processor11 differ
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffers4th gen Intel® Core™ i54th gen Intel® Core™ i7
Processor modelDiffersi5-4200Mi7-4700MQ
Processor coresDiffers24
Processor threadsDiffers48
Processor boost frequencyDiffers3.1 GHz3.4 GHz
Processor frequencyDiffers2.5 GHz2.4 GHz
Processor cacheDiffers3 MB6 MB
Processor seriesDiffersIntel Core i5-4200 Mobile seriesIntel Core i7-4700 Mobile series
Bus typeDiffersDMIDMI2
Thermal Design Power (TDP)Differs37 W47 W
System bus rateKnown for one5 GT/sUnknown — not stated by the source
Memory3 differ
Internal memoryDiffers2 GB8 GB
Internal memory typeDiffersDDR3-SDRAMDDR3L-SDRAM
Memory form factorKnown for oneUnknown — not stated by the sourceSO-DIMM
Memory layout (slots x size)Differs1 x 2 GB1 x 8 GB
Memory slotsKnown for oneUnknown — not stated by the source2x SO-DIMM
Maximum internal memoryKnown for oneUnknown — not stated by the source16 GB
Maximum internal memory (64-bit)Known for oneUnknown — not stated by the source16 GB
Storage2 differ
HDD interfaceKnown for oneUnknown — not stated by the sourceSATA III
HDD speedDiffers5400 RPM7200 RPM
HDD sizeKnown for oneUnknown — not stated by the source2.5"
Optical drive typeDiffersDVD Super MultiDVD±RW
Graphics1 differ
Discrete graphics card modelDiffersNVIDIA® GeForce® GT 710MNVIDIA® GeForce® GT 730M
Number of discrete graphics cards installedKnown for oneUnknown — not stated by the source1
Number of discrete graphics cards supportedKnown for oneUnknown — not stated by the source1
Maximum resolutionKnown for oneUnknown — not stated by the source3840 x 2160 pixels
Graphics card Open GL supportKnown for oneUnknown — not stated by the sourceYes
Audio1 differ
Audio systemDiffersHDDolby Advanced Audio v2
Speaker powerKnown for oneUnknown — not stated by the source1 W
Cameraidentical
Front camera resolutionKnown for one1280 x 720 pixelsUnknown — not stated by the source
Network1 differ
Mobile network connectionKnown for oneUnknown — not stated by the sourceYes
Mobile network generationKnown for oneUnknown — not stated by the source3G
2G standardsKnown for oneUnknown — not stated by the sourceEdge, GPRS, GSM
3G standardsKnown for oneUnknown — not stated by the sourceHSPA+
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)
WWANKnown for oneUnknown — not stated by the sourceInstalled
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers12
HDMI ports quantityDiffers10
Mini DisplayPorts quantityKnown for oneUnknown — not stated by the source1
VGA (D-Sub) ports quantityDiffers01
Docking connectorDiffersNoYes
ExpressCard slotKnown for oneUnknown — not stated by the sourceNo
SmartCard slotKnown for oneUnknown — not stated by the sourceYes
USB Sleep-and-ChargeKnown for oneUnknown — not stated by the sourceYes
USB Sleep-and-Charge portsKnown for oneUnknown — not stated by the source1
Headphone outputsKnown for one0Unknown — not stated by the source
Microphone inKnown for oneNoUnknown — not stated by the source
Performance1 differ
Motherboard chipsetDiffersIntel® HM86Intel® QM87
GPS (satellite)Known for oneUnknown — not stated by the sourceYes
Keyboard1 differ
Pointing deviceDiffersTouchpadThinkPad UltraNav
Keyboard backlitKnown for oneUnknown — not stated by the sourceYes
Island-style keyboardKnown for oneUnknown — not stated by the sourceYes
Spill-resistant keyboardKnown for oneUnknown — not stated by the sourceYes
Windows keysKnown for oneUnknown — not stated by the sourceYes
Software1 differ
Operating system installedDiffersFreeDOSWindows 7 Professional
Operating system architectureKnown for oneUnknown — not stated by the source64-bit
Processor special features6 differ
Intel Enhanced Halt StateDiffersNoYes
Intel FDI TechnologyDiffersNoYes
Intel® My WiFi Technology (Intel® MWT)DiffersNoYes
Intel® Virtualization Technology (Intel® VT)Known for oneUnknown — not stated by the sourceVT-x
Processor ARK IDDiffers7634875117
Processor codeDiffersSR1HASR15H
Processor package sizeDiffers37.5 x 37.5 x 4.7 mm37.5 x 32 x 1.6 mm
Battery2 differ
Number of battery cellsDiffers69
Battery capacityKnown for oneUnknown — not stated by the source99.9 Wh
Battery life (max)Differs6.5 h12.7 h
Poweridentical
AC adapter powerKnown for oneUnknown — not stated by the source135 W
Security1 differ
Cable lock slotDiffersNoYes
Fingerprint readerKnown for oneUnknown — not stated by the sourceYes
Trusted Platform Module (TPM)Known for oneUnknown — not stated by the sourceYes
Password protectionKnown for oneUnknown — not stated by the sourceYes
Password protection typeKnown for oneUnknown — not stated by the sourceHDD, Power on, Supervisor
Certificatesidentical
Compliance certificatesKnown for oneUnknown — not stated by the sourceRoHS
CertificationKnown for oneUnknown — not stated by the sourceGREENGUARD
Sustainabilityidentical
Sustainability certificatesKnown for oneUnknown — not stated by the sourceEPEAT Gold, ENERGY STAR
Weight & dimensions1 differ
WeightDiffers2.2 kg2.31 kg
WidthKnown for oneUnknown — not stated by the source335 mm
DepthKnown for oneUnknown — not stated by the source229.1 mm
Height (front)Known for oneUnknown — not stated by the source2.79 cm
Height (rear)Known for oneUnknown — not stated by the source3 cm
Other featuresidentical
Intel segment taggingKnown for oneUnknown — not stated by the sourceHome office, Small Business

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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