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Product comparison · 2 laptops

HP 4330s + QD287AT vs Lenovo T420 DOS CH

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  • 119specifications compared
  • 34differ
  • 85identical
  • 32known for one product only

Key differences

  • Display diagonal
    • 33.8 cm (13.3")
    • 35.8 cm (14.1")
  • Display resolution
    • 1366 x 768 pixels
    • 1600 x 900 pixels
  • Processor family
    • Intel® Core™ i3
    • Intel® Core™ i7
  • Processor generation
    • 2nd gen Intel® Core™ i3
    • 2nd gen Intel® Core™ i7
  • Processor model
    • i3-2310M
    • i7-2620M
  • Processor frequency
    • 2.1 GHz
    • 2.7 GHz
  • Processor cache
    • 3 MB
    • 4 MB
  • CPU multiplier (bus/core ratio)
    • 21
    • 27

Side by side

Differences highlightedShow differences only
151 specifications
A

HP

4330s + QD287ATView product
B

Lenovo

T420 DOS CHView product
Designidentical
Product colourKnown for oneBlack
Country of originKnown for oneChina
Display2 differ
Display diagonalDiffers33.8 cm (13.3")35.8 cm (14.1")
Display resolutionDiffers1366 x 768 pixels1600 x 900 pixels
HD typeKnown for oneHD+
Display surfaceKnown for oneMatt
Processor7 differ
Processor familyDiffersIntel® Core™ i3Intel® Core™ i7
Processor generationDiffers2nd gen Intel® Core™ i32nd gen Intel® Core™ i7
Processor modelDiffersi3-2310Mi7-2620M
Processor boost frequencyKnown for one3.4 GHz
Processor frequencyDiffers2.1 GHz2.7 GHz
Processor cacheDiffers3 MB4 MB
Processor seriesDiffersIntel Core i3-2300 Mobile SeriesIntel Core i7-2600 Mobile Series
CPU multiplier (bus/core ratio)Differs2127
Memory2 differ
Internal memoryDiffers3 GB4 GB
Maximum internal memoryDiffers8 GB16 GB
Storage2 differ
Total storage capacityDiffers320 GB500 GB
HDD capacityKnown for one500 GB
Optical drive typeDiffersDVD Super Multi DLDVD-RW
Storage mediaKnown for oneHDD
Total HDDs capacityKnown for one320 GB
Number of HDDs installedKnown for one1
Graphics4 differ
Discrete graphics cardDiffersNoYes
Discrete graphics card modelDiffersNot availableNVIDIA® NVS™ 4200M
Graphics card familyDiffersIntelNVIDIA
On-board graphics card dynamic frequency (max)Differs1100 MHz1300 MHz
Network1 differ
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, 802.11b, 802.11g
Cabling technologyKnown for one10/100/1000Base-T(X)
Top Wi-Fi standardKnown for oneWi-Fi 4 (802.11n)
Bluetooth versionKnown for one3.0+HS
Ports & interfaces3 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers10
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 one1
HDMI ports quantityDiffers10
DisplayPorts quantityKnown for one1
Firewire (IEEE 1394) portsKnown for one0
Thunderbolt ports quantityKnown for one0
SmartCard slotDiffersYesNo
Modem (RJ-11) portsKnown for one1
Performanceidentical
Motherboard chipsetKnown for oneIntel® QM67 Express
Software1 differ
Operating system installedDiffersWindows 7 ProfessionalFreeDOS
Operating system architectureKnown for one64-bit
Processor special features7 differ
Intel Trusted Execution TechnologyDiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Turbo Boost TechnologyDiffersNo2.0
Processor ARK IDDiffers5222052231
Processor codeDiffersSR04SSR041
Processor package sizeDiffers37.5 x 37.5 xrPGA988B); 31 x 24 (BGA1023)37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Battery1 differ
Number of battery cellsDiffers69
Battery life (max)Known for one6 h
Securityidentical
Fingerprint readerKnown for oneYes
Weight & dimensions3 differ
WeightDiffers2 kg2.35 kg
WidthDiffers330 mm341 mm
DepthDiffers235 mm258 mm
Height (front)Known for one3 cm
Height (rear)Known for one3.1 cm
HeightKnown for one27.9 mm
Other features1 differ
Power supply typeKnown for oneAC/DC
Internal modemKnown for oneYes
TV tuner integratedKnown for oneNo
Intel segment taggingDiffersEnterpriseHome office, Small Business
Audioidentical
Audio systemKnown for oneSRS Premium Sound
Number of built-in speakersKnown for one2
Built-in microphoneKnown for oneYes

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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