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Product comparison · 2 laptops

Acer Aspire One 521- 12Dki vs Acer Aspire One 721-122rr

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  • 53specifications compared
  • 16differ
  • 37identical
  • 6known for one product only

Key differences

  • Product colour
    • Black
    • Red
  • 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
  • Internal memory
    • 1 GB
    • 2 GB
  • Internal memory type
    • DDR3-SDRAM
    • DDR2-SDRAM
  • Memory slots
    • 1x SO-DIMM
    • 2x SO-DIMM
  • Maximum internal memory
    • 2 GB
    • 4 GB

Side by side

Differences highlightedShow differences only
59 specifications
A

Acer

Aspire One 521- 12DkiView product
B

Acer

Aspire One 721-122rrView product
Design1 differ
Product typeNetbookNetbook
Product colourDiffersBlackRed
Display3 differ
Display diagonalDiffers25.6 cm (10.1")29.5 cm (11.6")
Display resolutionDiffers1024 x 600 pixels1366 x 768 pixels
LED backlightYesYes
Native aspect ratioDiffers5:316:9
Processoridentical
Processor manufacturerAMDAMD
Processor familyAMD Athlon NeoAMD Athlon Neo
Processor modelK125K125
Processor frequency1.7 GHz1.7 GHz
Processor cache1 MB1 MB
Processor cache typeL2L2
Memory4 differ
Internal memoryDiffers1 GB2 GB
Internal memory typeDiffersDDR3-SDRAMDDR2-SDRAM
Memory clock speed1066 MHz1066 MHz
Memory layout (slots x size)Known for one1 x 1 GB
Memory slotsDiffers1x SO-DIMM2x SO-DIMM
Maximum internal memoryDiffers2 GB4 GB
Storage1 differ
Total storage capacityDiffers250 GB320 GB
HDD interfaceSATASATA
HDD speed5400 RPM5400 RPM
Card reader integratedYesYes
Graphicsidentical
Graphics cardRadeon HD 4225Radeon HD 4225
Audioidentical
Audio systemHigh Definition AudioHigh Definition Audio
Number of built-in speakersKnown for one2
Built-in microphoneYesYes
Cameraidentical
Front cameraKnown for oneNo
Front camera resolution (numeric)1.3 MP1.3 MP
Networkidentical
Wi-FiYesYes
Networking featuresGigabit Ethernet, WLANGigabit Ethernet, WLAN
Wireless technology802.11b/g/n802.11b/g/n
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 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
Software1 differ
Operating system installedDiffersWindows 7 StarterWindows 7 Home Premium
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
Poweridentical
DC-in jackYesYes
AC adapter powerKnown for one30 W
Securityidentical
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
BIOS passwordKnown for oneYes
HDD user passwordKnown for oneYes
Weight & dimensions5 differ
WeightDiffers1.25 kg1.4 kg
WidthDiffers259 mm285 mm
DepthDiffers189.7 mm204 mm
Height (front)Differs2.32 cm2.57 cm
Height (rear)Differs2.83 cm2.8 cm
Other featuresidentical
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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