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Product comparison · 2 laptops

ASUSPRO B43J Intel® Core™ i7 i7-640M vs Lenovo X220 + ThinkPad Mini Dock Series 3

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  • 121specifications compared
  • 49differ
  • 72identical
  • 44known for one product only

Key differences

  • Display diagonal
    • 35.6 cm (14")
    • 31.8 cm (12.5")
  • Processor family
    • Intel® Core™ i7
    • Intel® Core™ i3
  • Processor generation
    • Intel® Core™ i7
    • 2nd gen Intel® Core™ i3
  • Processor model
    • i7-640M
    • i3-2350M
  • Processor frequency
    • 2.8 GHz
    • 2.3 GHz
  • System bus rate
    • 2.5 GT/s
    • 5 GT/s
  • Processor cache
    • 4 MB
    • 3 MB
  • Processor socket
    • BGA 1288
    • Socket 988

Side by side

Differences highlightedShow differences only
165 specifications
A

ASUS

ASUSPRO B43J Intel® Core™ i7 i7-640M

Model B43J

View product
B

Lenovo

X220 + ThinkPad Mini Dock Series 3View product
Designidentical
Form factorKnown for oneClamshell
Display1 differ
Display diagonalDiffers35.6 cm (14")31.8 cm (12.5")
TouchscreenKnown for oneNo
Processor13 differ
Processor familyDiffersIntel® Core™ i7Intel® Core™ i3
Processor generationDiffersIntel® Core™ i72nd gen Intel® Core™ i3
Processor modelDiffersi7-640Mi3-2350M
Processor frequencyDiffers2.8 GHz2.3 GHz
System bus rateDiffers2.5 GT/s5 GT/s
Processor cacheDiffers4 MB3 MB
Processor socketDiffersBGA 1288Socket 988
Processor seriesDiffersIntel Core i7-600 Mobile SeriesIntel Core i3-2300 Mobile Series
Processor codenameDiffersArrandaleSandy Bridge
SteppingDiffersK0J1
TjunctionDiffers105 °C85 °C
PCI Express configurationsDiffers1x161x16, 2x8, 1x8+2x4
CPU multiplier (bus/core ratio)Differs2123
Processor boost frequencyKnown for one3.46 GHz
Number of Processing Die TransistorsKnown for one382 M
Processing Die sizeKnown for one81 mm²
Memoryidentical
Memory clock speedKnown for one1333 MHz
Memory slots (available)Known for one1
Storage2 differ
HDD speedKnown for one5400 RPM
Optical drive typeDiffersDVD Super MultiNo
Compatible memory cardsDiffersMemory Stick (MS), MMC, MS PRO, SD, xDSD
Graphics4 differ
Graphics card familyDiffersATIIntel
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 MHz1150 MHz
On-board graphics card IDKnown for one0x116
Discrete graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneAMD Mobility Radeon HD 5470
Discrete graphics card memoryKnown for one0.512 GB
Audioidentical
Audio systemKnown for oneHDA
Number of built-in speakersKnown for one2
Speaker powerKnown for one2 W
Optical driveidentical
LightScribeKnown for oneNo
Network1 differ
BluetoothDiffersYesNo
Integrated 4G WiMAXKnown for oneYes
Top Wi-Fi standardKnown for oneWi-Fi 4 (802.11n)
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Bluetooth versionKnown for one2.1+EDR
Cabling technologyKnown for one10/100/1000Base-T(X)
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers23
eSATA/USB 2.0 ports quantityKnown for one0
eSATA ports quantityDiffers10
HDMI ports quantityDiffers10
Docking connectorDiffersYesNo
TV-outKnown for oneNo
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one0
Modem (RJ-11) portsKnown for one1
Keyboard1 differ
Pointing deviceDiffersTouchpadTrackpad
Windows keysKnown for oneYes
Processor special features17 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 Trusted Execution TechnologyDiffersYesNo
Intel Virtualization Technology for Directed I/O (VT-d)DiffersYesNo
Intel® AES New Instructions (Intel® AES-NI)DiffersYesNo
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® Smart CacheKnown for oneYes
Intel® Turbo Boost TechnologyDiffers1.0No
Processor ARK IDDiffers4966653438
Processor codeDiffersSLBTNSR0DN
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
Battery technologyKnown for oneLithium-Ion (Li-Ion)
Number of battery cellsKnown for one6
Battery capacityKnown for one47 Wh
Poweridentical
AC adapter powerKnown for one90 W
AC adapter frequencyKnown for one50 - 60 Hz
AC adapter input voltageKnown for one100 - 240 V
Security1 differ
Cable lock slotDiffersNoYes
Cable lock slot typeKnown for oneKensington
Fingerprint readerKnown for oneYes
Certificatesidentical
Wi-Fi certifiedKnown for oneYes
Weight & dimensions5 differ
WeightDiffers2.48 kg1.3 kg
WidthDiffers350 mm305 mm
DepthDiffers245 mm206.5 mm
Height (front)Differs3.3 mm1.9 cm
Height (rear)Differs3.5 mm3.46 cm
Packaging contentidentical
AC adapter includedKnown for oneYes
Remote control includedKnown for oneNo
Other featuresidentical
Power supply typeKnown for oneAC/DC
TV tuner integratedKnown for oneNo
Intel segment taggingKnown for oneEnterprise, Professional

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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