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Product comparison · 2 laptops

ASUS Eee PC 1001PXD-BLK156S vs Lenovo T420s + 45N6679

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  • 84specifications compared
  • 57differ
  • 27identical
  • 62known for one product only

Key differences

  • Display diagonal
    • 25.6 cm (10.1")
    • 35.6 cm (14")
  • Display resolution
    • 1024 x 600 pixels
    • 1600 x 900 pixels
  • Native aspect ratio
    • 5:3
    • 16:9
  • Processor family
    • Intel Atom®
    • Intel® Core™ i7
  • Processor model
    • N455
    • i7-2620M
  • Processor cores
    • 1
    • 2
  • Processor threads
    • 2
    • 4
  • Processor frequency
    • 1.66 GHz
    • 2.7 GHz

Side by side

Differences highlightedShow differences only
146 specifications
A

ASUS

Eee PC 1001PXD-BLK156SView product
B

Lenovo

T420s + 45N6679View product
Display3 differ
Display diagonalDiffers25.6 cm (10.1")35.6 cm (14")
Display resolutionDiffers1024 x 600 pixels1600 x 900 pixels
HD typeKnown for oneHD+
LED backlightYesYes
Native aspect ratioDiffers5:316:9
Display brightnessKnown for one250 cd/m²
Contrast ratio (typical)Known for one300:1
Processor14 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel Atom®Intel® Core™ i7
Processor generationKnown for one2nd gen Intel® Core™ i7
Processor modelDiffersN455i7-2620M
Processor coresDiffers12
Processor threadsDiffers24
Processor boost frequencyKnown for one3.4 GHz
Processor frequencyDiffers1.66 GHz2.7 GHz
System bus rateKnown for one5 GT/s
Processor cacheDiffers0.512 MB4 MB
Processor cache typeDiffersL2Smart Cache
Processor socketDiffersBGA 559BGA 1023
Processor lithographyDiffers45 nm32 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Atom N400 SeriesIntel Core i7-2600 Mobile Series
Processor codenameDiffersPineviewSandy Bridge
Bus typeDMIDMI
FSB ParityNoNo
SteppingDiffersA0J1
Thermal Design Power (TDP)Differs6.5 W35 W
Tjunction100 °C100 °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)Differs1027
ECC supported by processorNoNo
Number of Processing Die TransistorsKnown for one123 M
Processing Die sizeKnown for one66 mm²
Memory3 differ
Internal memoryDiffers1 GB4 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory slotsDiffers1x SO-DIMM2x SO-DIMM
Maximum internal memoryDiffers2 GB8 GB
Memory layout (slots x size)Known for one1 x 1 GB
Storage3 differ
Total storage capacityDiffers250 GB160 GB
SSD capacityKnown for one160 GB
SSD interfaceKnown for oneSATA
Optical drive typeDiffersNoDVD-RW
Card reader integratedYesYes
Compatible memory cardsDiffersMMC, SD, SDHCMMC, SD, SDHC, SDXC
HDD capacityKnown for one250 GB
Graphics1 differ
On-board graphics cardYesYes
Discrete graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneNVIDIA® NVS™ 4200M
Graphics card familyKnown for oneNVIDIA
On-board graphics card familyKnown for oneIntel® HD Graphics
On-board graphics card modelKnown for oneIntel® HD Graphics 3000
On-board graphics card base frequencyDiffers200 MHz650 MHz
On-board graphics card dynamic frequency (max)Known for one1300 MHz
On-board graphics card IDKnown for one0x116
Audio2 differ
Audio systemDiffersHDHigh Definition Audio
Number of built-in speakersDiffers12
Speaker powerKnown for one1 W
Built-in microphoneKnown for oneYes
Network2 differ
Mobile network connectionKnown for oneYes
Mobile network generationKnown for one3G
Wi-FiYesYes
Networking featuresDiffersFast EthernetGigabit Ethernet
Ethernet LANYesYes
BluetoothDiffersNoYes
Bluetooth versionKnown for one3.0+HS
Integrated 4G WiMAXKnown for oneYes
Wireless technologyKnown for oneIEEE 802.11 b/g/n
Ethernet LAN data ratesKnown for one10,100 Mbit/s
Ports & interfacesidentical
USB 2.0 ports quantity22
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one1
Ethernet LAN (RJ-45) ports11
DisplayPorts quantityKnown for one1
DVI portKnown for oneNo
VGA (D-Sub) ports quantity11
Headphone outputs11
S/PDIF out portKnown for oneNo
Microphone inKnown for oneYes
Docking connectorKnown for oneYes
ExpressCard slotKnown for oneYes
CardBus PCMCIA slots quantityKnown for one0
CardBus PCMCIA slot typeKnown for oneNo
SmartCard slotKnown for oneYes
TV-outKnown for oneNo
HDMI ports quantityKnown for one0
Performanceidentical
Motherboard chipsetKnown for oneIntel® QM67 Express
GPS (satellite)Known for oneNo
Keyboard1 differ
Pointing deviceDiffersTouchpadThinkPad UltraNav
Software1 differ
Operating system installedDiffersWindows 7 StarterWindows 7 Professional
Operating system architectureKnown for one64-bit
Processor special features23 differ
Intel® Wireless Display (Intel® WiDi)DiffersNoYes
CPU configuration (max)Known for one1
Embedded options availableDiffersYesNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithographyKnown for one32 nm
Idle StatesKnown for oneYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
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 Rapid Storage TechnologyNoNo
Intel Trusted Execution TechnologyDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)DiffersNoYes
Intel Virtualization Technology (VT-x)DiffersNoYes
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® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
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 IDDiffers4949152231
Processor codeDiffersSLBX9SR041
Processor package sizeDiffers22 x 22 mm37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction setsDiffersSSE2, SSE3, SSSE3AVX
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorNoNo
Batteryidentical
Number of battery cellsKnown for one6
Battery life (max)Known for one5.5 h
Poweridentical
DC-in jackYesYes
Securityidentical
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneIBM
Fingerprint readerKnown for oneYes
Weight & dimensions4 differ
WeightKnown for one1.67 kg
WidthDiffers262 mm343 mm
DepthDiffers178 mm230.1 mm
Height (front)Differs2.59 cm2.12 cm
Height (rear)Differs3.65 cm2.6 cm
Other featuresidentical
Infrared data portKnown for oneNo
Intel segment taggingKnown for oneHome office, Small Business
Supplied AC adapter typeKnown for oneAC
Designidentical
Product typeKnown for oneNetbook
Product colourKnown for oneBlack
Cameraidentical
Front camera resolution (numeric)Known for one0.3 MP

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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