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Product comparison · 2 laptops

Acer Aspire One 721-12B2ki vs Lenovo ThinkPad W701 + T40HBEU

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  • 35specifications compared
  • 15differ
  • 20identical
  • 112known for one product only

Key differences

  • Display diagonal
    • 29.5 cm (11.6")
    • 43.4 cm (17.1")
  • Display resolution
    • 1366 x 768 pixels
    • 1920 x 1080 pixels
  • Processor manufacturer
    • AMD
    • Intel
  • Processor family
    • AMD Athlon Neo
    • Intel® Core™ i7
  • Processor model
    • K125
    • i7-720QM
  • Processor frequency
    • 1.7 GHz
    • 1.6 GHz
  • Processor cache
    • 1 MB
    • 6 MB
  • Processor cache type
    • L2
    • Smart Cache

Side by side

Differences highlightedShow differences only
147 specifications
A

Acer

Aspire One 721-12B2kiView product
B

Lenovo

ThinkPad W701 + T40HBEUView product
Designidentical
Product typeKnown for oneNetbook
Display2 differ
Display diagonalDiffers29.5 cm (11.6")43.4 cm (17.1")
Display resolutionDiffers1366 x 768 pixels1920 x 1080 pixels
Dual-screenKnown for oneNo
LED backlightKnown for oneYes
Processor6 differ
Processor manufacturerDiffersAMDIntel
Processor familyDiffersAMD Athlon NeoIntel® Core™ i7
Processor generationKnown for oneIntel® Core™ i7
Processor modelDiffersK125i7-720QM
Processor coresKnown for one4
Processor threadsKnown for one8
Processor boost frequencyKnown for one2.8 GHz
Processor frequencyDiffers1.7 GHz1.6 GHz
System bus rateKnown for one2.5 GT/s
Processor cacheDiffers1 MB6 MB
Processor cache typeDiffersL2Smart Cache
Processor socketKnown for oneSocket 988
Processor lithographyKnown for one45 nm
Processor operating modesKnown for one64-bit
Processor seriesKnown for oneIntel Core i7-700 Mobile Series
Processor codenameKnown for oneClarksfield
Bus typeKnown for oneDMI
FSB ParityKnown for oneNo
SteppingKnown for oneB1
Thermal Design Power (TDP)Known for one45 W
TjunctionKnown for one100 °C
Maximum number of PCI Express lanesKnown for one16
PCI Express configurationsKnown for one1x16, 2x8
PCI Express slots versionKnown for one2.0
Number of Processing Die TransistorsKnown for one774 M
Processing Die sizeKnown for one296 mm²
CPU multiplier (bus/core ratio)Known for one12
ECC supported by processorKnown for oneNo
Processor front side busKnown for one800 MHz
Memory1 differ
Maximum internal memoryDiffers4 GB16 GB
Memory slotsKnown for one2x SO-DIMM
Storageidentical
Optical drive typeKnown for oneDVD-RW
HDD capacityKnown for one320 GB
Graphics1 differ
Discrete graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneNVIDIA® Quadro® FX 2800M
Graphics card familyKnown for oneNVIDIA
Maximum graphics card memoryDiffers0.5 GB1.024 GB
Graphics cardKnown for oneRadeon HD 4225
Audioidentical
Number of built-in speakersKnown for one2
Built-in microphoneKnown for oneYes
Network1 differ
Networking featuresDiffersGigabit Ethernet, WLANGigabit Ethernet
Wireless technologyKnown for one802.11b/g/n
Ethernet LANKnown for oneYes
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Bluetooth versionKnown for one3.0+HS
Ports & interfaces1 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one1
eSATA ports quantityKnown for one1
HDMI ports quantityDiffers10
DisplayPorts quantityKnown for one1
DVI portKnown for oneYes
Firewire (IEEE 1394) portsKnown for one0
S/PDIF out portKnown for oneNo
Microphone inKnown for oneYes
Docking connectorKnown for oneNo
ExpressCard slotKnown for oneYes
CardBus PCMCIA slots quantityKnown for one0
CardBus PCMCIA slot typeKnown for oneNo
SmartCard slotKnown for oneNo
Modem (RJ-11) portsKnown for one0
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
Performanceidentical
Motherboard chipsetKnown for oneIntel® QM57 Express
GPS (satellite)Known for oneNo
Software1 differ
Operating system installedDiffersWindows 7 Home PremiumWindows 7 Professional
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)Known for oneNo
CPU configuration (max)Known for one1
Embedded options availableKnown for oneNo
Enhanced Intel SpeedStep TechnologyKnown for oneYes
Execute Disable BitKnown for oneYes
Idle StatesKnown for oneYes
Intel 64Known for oneYes
Intel Clear Video TechnologyKnown for oneNo
Intel Demand Based SwitchingKnown for oneNo
Intel Dual Display Capable TechnologyKnown for oneNo
Intel Enhanced Halt StateKnown for oneYes
Intel FDI TechnologyKnown for oneNo
Intel Fast Memory AccessKnown for oneNo
Intel Flex Memory AccessKnown for oneNo
Intel Rapid Storage TechnologyKnown for oneNo
Intel Trusted Execution TechnologyKnown for oneYes
Intel VT-x with Extended Page Tables (EPT)Known for oneYes
Intel Virtualization Technology (VT-x)Known for oneYes
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneYes
Intel® AES New Instructions (Intel® AES-NI)Known for oneNo
Intel® Anti-Theft Technology (Intel® AT)Known for oneNo
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneNo
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneYes
Intel® InTru™ 3D TechnologyKnown for oneNo
Intel® Insider™Known for oneNo
Intel® My WiFi Technology (Intel® MWT)Known for oneNo
Intel® Quick Sync Video TechnologyKnown for oneNo
Intel® Smart CacheKnown for oneYes
Intel® Turbo Boost TechnologyKnown for one1.0
Physical Address Extension (PAE)Known for oneYes
Processor ARK IDKnown for one43122
Processor codeKnown for oneSLBLY
Processor package sizeKnown for one37.5 x 37.5 mm
Supported instruction setsKnown for oneSSE4.2
Thermal Monitoring TechnologiesKnown for oneYes
Conflict-Free processorKnown for oneNo
Battery1 differ
Number of battery cellsDiffers69
Battery technologyKnown for oneLithium-Ion (Li-Ion)
Battery capacityKnown for one4400 mAh
Battery life (max)Known for one5.5 h
Securityidentical
Fingerprint readerKnown for oneYes
BIOS passwordKnown for oneYes
Weight & dimensions1 differ
WeightDiffers1.4 kg3.83 kg
Dimensions (WxDxH)Known for one410 x 310 x 41 mm
WidthKnown for one285 mm
DepthKnown for one204 mm
Height (front)Known for one2.57 cm
Height (rear)Known for one2.8 cm
Packaging contentidentical
AC adapter includedKnown for oneYes
Other featuresidentical
Infrared data portKnown for oneNo
Internal modemKnown for oneNo
TV tuner integratedKnown for oneNo
Intel segment taggingKnown for oneProfessional
Cameraidentical
Front camera resolution (numeric)Known for one1.3 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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