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Product comparison · 2 laptops

Acer Aspire One AO521-12Dcc AMD Athlon II Neo K125 Netbook vs Acer Aspire One AO721-142ki AMD Athlon II Neo K145 Netbook

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  • 55specifications compared
  • 19differ
  • 36identical
  • 12known for one product only

Key differences

  • Product colour
    • Copper
    • Black
  • Display diagonal
    • 25.6 cm (10.1")
    • 29.5 cm (11.6")
  • Display resolution
    • 1024 x 600 pixels
    • 1366 x 768 pixels
  • Native aspect ratio
    • 5:3
    • 16:9
  • Processor model
    • K125
    • K145
  • Processor frequency
    • 1.7 GHz
    • 1.8 GHz
  • Internal memory
    • 1 GB
    • 2 GB
  • Total storage capacity
    • 250 GB
    • 500 GB

Side by side

Differences highlightedShow differences only
67 specifications
A

Acer

Aspire One AO521-12Dcc AMD Athlon II Neo K125 Netbook

Model AO521-12Dcc

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B

Acer

Aspire One AO721-142ki AMD Athlon II Neo K145 Netbook

Model AO721-142ki

View product
Design1 differ
Product typeNetbookNetbook
Product colourDiffersCopperBlack
Display3 differ
Display diagonalDiffers25.6 cm (10.1")29.5 cm (11.6")
Display resolutionDiffers1024 x 600 pixels1366 x 768 pixels
Display number of colours16.78 million colours16.78 million colours
LED backlightYesYes
Native aspect ratioDiffers5:316:9
Processor2 differ
Processor manufacturerAMDAMD
Processor familyAMD Athlon II NeoAMD Athlon II Neo
Processor modelDiffersK125K145
Processor frequencyDiffers1.7 GHz1.8 GHz
Processor cache1 MB1 MB
Processor cache typeL2L2
Processor front side busKnown for one2000 MHz
Memory1 differ
Internal memoryDiffers1 GB2 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory clock speed1066 MHz1066 MHz
Memory slotsKnown for one2x SO-DIMM
Maximum internal memoryKnown for one4 GB
Storage3 differ
Total storage capacityDiffers250 GB500 GB
HDD capacityDiffers250 GB500 GB
HDD interfaceSATASATA
HDD speed5400 RPM5400 RPM
HDD size2.5"2.5"
Card reader integratedDiffersYesNo
Compatible memory cardsKnown for oneMemory Stick (MS), MMC, MS PRO, SD, xD
Graphicsidentical
Graphics card familyAMDAMD
Maximum graphics card memoryKnown for one0.384 GB
Graphics cardRadeon HD 4225Radeon HD 4225
Audioidentical
Audio systemHDHD
Built-in microphoneYesYes
Network2 differ
Wi-FiYesYes
Networking featuresDiffersFast EthernetGigabit Ethernet
Wireless technology802.11b/g/n802.11b/g/n
Ethernet LANYesYes
Ethernet LAN data ratesDiffers10,100 Mbit/s10,100,1000 Mbit/s
BluetoothYesYes
Bluetooth version3.0+HS3.0+HS
Ports & interfacesidentical
USB 2.0 ports quantity33
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
VGA (D-Sub) ports quantity11
Headphone outputs11
Performanceidentical
GPS (satellite)NoNo
Keyboardidentical
Pointing deviceTouchpadTouchpad
Software2 differ
Operating system installedDiffersWindows 7 StarterWindows 7 Home Premium
Operating system architectureDiffers32-bit64-bit
Bundled softwareBing Bar Windows Live EssentialsBing Bar Windows Live Essentials
Trial softwareKnown for oneMicrosoft Office Starter 2010
Battery1 differ
Battery technologyLithium-Ion (Li-Ion)Lithium-Ion (Li-Ion)
Number of battery cells66
Battery capacity4400 mAh4400 mAh
Battery life (max)Differs6 h5.5 h
Power1 differ
AC adapter powerDiffers40 W65 W
DC-in jackYesYes
Securityidentical
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Password protection typeKnown for oneBIOS, HDD, Supervisor, User
BIOS passwordKnown for oneYes
HDD user passwordKnown for oneYes
Sustainabilityidentical
Sustainability certificatesENERGY STARENERGY STAR
Weight & dimensions3 differ
WeightDiffers1.3 kg1.4 kg
WidthDiffers260 mm285 mm
DepthDiffers191 mm204 mm
Height28 mm28 mm
Other featuresidentical
Power supply typeKnown for oneAC/DC
Supplied AC adapter typeACAC

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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