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Product comparison · 2 laptops

Lenovo IdeaPad M6639GE laptop Intel® Celeron® T3500 vs Lenovo T420s + ThinkPad Mini Dock Series 3 (EU)

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  • 96specifications compared
  • 59differ
  • 37identical
  • 65known for one product only

Key differences

  • Display diagonal
    • 39.6 cm (15.6")
    • 35.6 cm (14")
  • Display resolution
    • 1366 x 768 pixels
    • 1600 x 900 pixels
  • Processor family
    • Intel® Celeron®
    • Intel® Core™ i7
  • Processor model
    • T3500
    • i7-2620M
  • Processor threads
    • 2
    • 4
  • Processor frequency
    • 2.1 GHz
    • 2.7 GHz
  • Processor cache
    • 1 MB
    • 4 MB
  • Processor cache type
    • L2
    • Smart Cache

Side by side

Differences highlightedShow differences only
161 specifications
A

Lenovo

IdeaPad M6639GE laptop Intel® Celeron® T3500

Model M6639GE

View product
B

Lenovo

T420s + ThinkPad Mini Dock Series 3 (EU)View product
Display2 differ
Display diagonalDiffers39.6 cm (15.6")35.6 cm (14")
Display resolutionDiffers1366 x 768 pixels1600 x 900 pixels
HD typeKnown for oneHD+
Display brightnessKnown for one250 cd/m²
Contrast ratio (typical)Known for one300:1
Processor12 differ
Processor familyDiffersIntel® Celeron®Intel® Core™ i7
Processor generationKnown for one2nd gen Intel® Core™ i7
Processor modelDiffersT3500i7-2620M
Processor threadsDiffers24
Processor boost frequencyKnown for one3.4 GHz
Processor frequencyDiffers2.1 GHz2.7 GHz
System bus rateKnown for one5 GT/s
Processor cacheDiffers1 MB4 MB
Processor cache typeDiffersL2Smart Cache
Processor socketDiffersSocket 478BGA 1023
Processor lithographyDiffers45 nm32 nm
Processor seriesDiffersIntel Celeron Processor T3000 Series for MobileIntel Core i7-2600 Mobile Series
Processor codenameDiffersPenrynSandy Bridge
Bus typeDiffersFSBDMI
SteppingDiffersR0J1
TjunctionKnown for one100 °C
Maximum number of PCI Express lanesKnown for one16
PCI Express configurationsKnown for one1x16, 2x8, 1x8+2x4
PCI Express slots versionKnown for one2.0
CPU multiplier (bus/core ratio)Known for one27
Processor front side busKnown for one800 MHz
Number of Processing Die TransistorsKnown for one410 M
Processing Die sizeKnown for one107 mm²
Memoryidentical
Memory clock speedKnown for one1066 MHz
Memory layout (slots x size)Known for one2 x 2 GB
Storage3 differ
Total storage capacityDiffers320 GB160 GB
SSD capacityKnown for one160 GB
SSD interfaceKnown for oneSATA
Optical drive typeDiffersDVD Super Multi DLDVD-RW
Compatible memory cardsDiffersMemory Stick (MS), MMC, MS PRO, SD, xDMMC, SD, SDHC, SDXC
Number of HDDs installedKnown for one1
HDD capacityKnown for one320 GB
HDD interfaceKnown for oneSATA
Graphics2 differ
On-board graphics cardKnown for oneYes
Discrete graphics card modelDiffersIntel® GMA X4500NVIDIA® NVS™ 4200M
Graphics card familyDiffersIntelNVIDIA
On-board graphics card familyKnown for oneIntel® HD Graphics
On-board graphics card modelKnown for oneIntel® HD Graphics 3000
On-board graphics card base frequencyKnown for one650 MHz
On-board graphics card dynamic frequency (max)Known for one1300 MHz
On-board graphics card IDKnown for one0x116
Audio1 differ
Audio systemKnown for oneHigh Definition Audio
Speaker powerDiffers1.5 W1 W
Audio formats supportedKnown for oneAAC, MP3, WAV, WMA
Network1 differ
Mobile network connectionKnown for oneYes
Mobile network generationKnown for one3G
BluetoothDiffersNoYes
Bluetooth versionKnown for one3.0+HS
Integrated 4G WiMAXKnown for oneYes
Wireless technologyKnown for oneWi-Fi
Top Wi-Fi standardKnown for oneWi-Fi 4 (802.11n)
Wi-Fi standardsKnown for one802.11b, 802.11g, Wi-Fi 4 (802.11n)
Cabling technologyKnown for one10/100Base-T(X)
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers32
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers01
DisplayPorts quantityDiffers01
Docking connectorDiffersNoYes
SmartCard slotDiffersNoYes
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
HDMI ports quantityKnown for one0
Firewire (IEEE 1394) portsKnown for one0
Thunderbolt ports quantityKnown for one0
Performance1 differ
Motherboard chipsetDiffersIntel® GM45 ExpressIntel® QM67 Express
Keyboard1 differ
Pointing deviceDiffersTouchpadThinkPad UltraNav
Full-size keyboardKnown for oneYes
Softwareidentical
Operating system installedKnown for oneWindows 7 Professional
Operating system architectureKnown for one64-bit
Drivers includedKnown for oneYes
Processor special features24 differ
Intel® Wireless Display (Intel® WiDi)DiffersNoYes
CPU configuration (max)Known for one1
Enhanced Intel SpeedStep TechnologyDiffersNoYes
Execute Disable BitDiffersNoYes
Graphics & IMC lithographyKnown for one32 nm
Idle StatesKnown for oneYes
Intel 64DiffersNoYes
Intel Dual Display Capable TechnologyDiffersNoYes
Intel Enhanced Halt StateDiffersNoYes
Intel FDI TechnologyDiffersNoYes
Intel Fast Memory AccessDiffersNoYes
Intel Flex Memory AccessDiffersNoYes
Intel Identity Protection Technology versionKnown for one1.00
Intel Trusted Execution TechnologyDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)DiffersNoYes
Intel Virtualization Technology (VT-x)Known for oneYes
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® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
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 TechnologyDiffersNo2.0
Processor ARK IDDiffers4210452231
Processor codeDiffersSLGJVSR041
Processor package sizeKnown for one37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction setsKnown for oneAVX
Thermal Monitoring TechnologiesDiffersNoYes
Battery1 differ
Battery life (max)Differs3.5 h5.5 h
Security1 differ
Cable lock slotDiffersNoYes
Cable lock slot typeKnown for oneIBM
Fingerprint readerKnown for oneYes
Weight & dimensions5 differ
WeightDiffers2.6 kg1.67 kg
WidthDiffers376.8 mm343 mm
DepthDiffers249.8 mm230.1 mm
Height (front)Differs1.73 cm2.12 cm
Height (rear)Differs3.49 cm2.6 cm
Other featuresidentical
Intel segment taggingKnown for oneHome office, Small Business
Compliance industry standardsKnown for oneIEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Power supply typeKnown for oneAC/DC
Supplied AC adapter typeKnown for oneAC
Designidentical
Product colourKnown for oneBlack
Housing materialKnown for onePlastic
Cameraidentical
Front camera resolution (numeric)Known for one0.3 MP
Packaging contentidentical
AC adapter includedKnown 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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