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Product comparison · 2 laptops

ASUSPRO B43J Intel® Core™ i7 i7-640M vs Lenovo T420s + 45N6681

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  • 122specifications compared
  • 48differ
  • 74identical
  • 47known for one product only

Key differences

  • Display resolution
    • 1366 x 768 pixels
    • 1600 x 900 pixels
  • Processor generation
    • Intel® Core™ i7
    • 2nd gen Intel® Core™ i7
  • Processor model
    • i7-640M
    • i7-2620M
  • Processor boost frequency
    • 3.46 GHz
    • 3.4 GHz
  • Processor frequency
    • 2.8 GHz
    • 2.7 GHz
  • System bus rate
    • 2.5 GT/s
    • 5 GT/s
  • Processor socket
    • BGA 1288
    • BGA 1023
  • Processor codename
    • Arrandale
    • Sandy Bridge

Side by side

Differences highlightedShow differences only
169 specifications
A

ASUS

ASUSPRO B43J Intel® Core™ i7 i7-640M

Model B43J

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B

Lenovo

T420s + 45N6681View product
Designidentical
Form factorKnown for oneClamshell
Display1 differ
Display resolutionDiffers1366 x 768 pixels1600 x 900 pixels
HD typeKnown for oneHD+
TouchscreenKnown for oneNo
Processor12 differ
Processor generationDiffersIntel® Core™ i72nd gen Intel® Core™ i7
Processor modelDiffersi7-640Mi7-2620M
Processor boost frequencyDiffers3.46 GHz3.4 GHz
Processor frequencyDiffers2.8 GHz2.7 GHz
System bus rateDiffers2.5 GT/s5 GT/s
L3 cacheKnown for one3 MB
L2 cacheKnown for one4 MB
Processor socketDiffersBGA 1288BGA 1023
Processor seriesDiffersIntel Core i7-600 Mobile SeriesIntel Core i7-2600 Mobile Series
Processor codenameDiffersArrandaleSandy Bridge
SteppingDiffersK0J1
TjunctionDiffers105 °C100 °C
PCI Express configurationsDiffers1x161x16, 2x8, 1x8+2x4
CPU multiplier (bus/core ratio)Differs2127
Number of Processing Die TransistorsKnown for one382 M
Processing Die sizeKnown for one81 mm²
Memoryidentical
Memory clock speedKnown for one1333 MHz
Storage3 differ
Total storage capacityDiffers320 GB160 GB
HDD capacityDiffers320 GB160 GB
Optical drive typeDiffersDVD Super MultiDVD-RW
Compatible memory cardsKnown for oneMemory Stick (MS), MMC, MS PRO, SD, xD
Graphics5 differ
Discrete graphics card modelDiffersAMD Mobility Radeon HD 5470NVIDIA® Quadro® NVS 4200M
Graphics card familyDiffersATINVIDIA
Discrete graphics memory typeKnown for oneGDDR3
On-board graphics card modelDiffersIntel® HD GraphicsIntel® HD Graphics 3000
On-board graphics card base frequencyDiffers500 MHz650 MHz
On-board graphics card dynamic frequency (max)Differs766 MHz1300 MHz
On-board graphics card IDKnown for one0x116
Maximum graphics card memoryKnown for one1.024 GB
Maximum resolutionKnown for one1600 x 900 pixels
Discrete graphics card memoryKnown for one0.512 GB
Audioidentical
Audio systemKnown for oneHD
Number of built-in speakersKnown for one2
Speaker powerKnown for one1 W
Built-in microphoneKnown for oneYes
Network2 differ
Networking featuresKnown for oneGigabit Ethernet
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth versionDiffers2.1+EDR3.0+HS
Integrated 4G WiMAXKnown for oneYes
Wireless technologyKnown for oneWi-Fi
Top Wi-Fi standardKnown for oneWi-Fi 4 (802.11n)
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Ports & interfaces5 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers01
eSATA/USB 2.0 ports quantityKnown for one0
eSATA ports quantityDiffers10
HDMI ports quantityDiffers10
Docking connectorDiffersYesNo
Modem (RJ-11) portsDiffers10
TV-in portKnown for oneNo
TV-outKnown for oneNo
PS/2 ports quantityKnown for one0
Parallel ports quantityKnown for one0
Serial ports quantityKnown for one0
Firewire (IEEE 1394) portsKnown for one0
ExpressCard slotKnown for oneYes
SmartCard slotKnown for oneNo
Performanceidentical
Motherboard chipsetKnown for oneIntel® QM67 Express
Keyboardidentical
Full-size keyboardKnown for oneNo
Numeric keypadKnown for oneNo
Processor special features14 differ
Intel® Wireless Display (Intel® WiDi)DiffersNoYes
Graphics & IMC lithographyDiffers45 nm32 nm
Intel Clear Video TechnologyDiffersYesNo
Intel Identity Protection Technology versionKnown for one1.00
Intel® Anti-Theft Technology (Intel® AT)DiffersNoYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)DiffersYesNo
Intel® Identity Protection Technology (Intel® IPT)Known for oneYes
Intel® InTru™ 3D TechnologyDiffersNoYes
Intel® Insider™DiffersNoYes
Intel® My WiFi Technology (Intel® MWT)DiffersNoYes
Intel® Quick Sync Video TechnologyDiffersNoYes
Intel® Turbo Boost TechnologyDiffers1.02.0
Processor ARK IDDiffers4966652231
Processor codeDiffersSLBTNSR041
Processor package sizeDiffersrPGA 37.5x 37.5, BGA 34x2837.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction setsDiffersSSE4.1/4.2AVX
Physical Address Extension (PAE)Known for one36 bit
Batteryidentical
Number of battery cellsKnown for one6
Battery capacityKnown for one47 Wh
Poweridentical
AC adapter powerKnown for one90 W
Securityidentical
Fingerprint readerKnown for oneYes
Certificatesidentical
Wi-Fi certifiedKnown for oneYes
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Weight & dimensions5 differ
WeightDiffers2.48 kg1.67 kg
WidthDiffers350 mm343 mm
DepthDiffers245 mm230.1 mm
Height (front)Differs3.3 mm2.12 cm
Height (rear)Differs3.5 mm2.6 cm
Other features1 differ
Video inKnown for one0
Intel segment taggingDiffersEnterprise, ProfessionalHome office, Small Business
TV tuner integratedKnown for oneNo
Packaging contentidentical
Remote control includedKnown for oneNo

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