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Product comparison · 2 laptops

Acer Aspire 7551G-P324G64Mnsk vs Acer Aspire One 721-122ss

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  • 41specifications compared
  • 15differ
  • 26identical
  • 54known for one product only

Key differences

  • Display diagonal
    • 43.9 cm (17.3")
    • 29.5 cm (11.6")
  • Display resolution
    • 1600 x 900 pixels
    • 1366 x 768 pixels
  • Processor family
    • AMD Athlon II
    • AMD Athlon Neo
  • Processor model
    • P320
    • K125
  • Processor frequency
    • 2.1 GHz
    • 1.7 GHz
  • Internal memory
    • 4 GB
    • 2 GB
  • Maximum internal memory
    • 8 GB
    • 4 GB
  • Total storage capacity
    • 640 GB
    • 320 GB

Side by side

Differences highlightedShow differences only
95 specifications
A

Acer

Aspire 7551G-P324G64MnskView product
B

Acer

Aspire One 721-122ssView product
Designidentical
Product colourBlackBlack
Product typeKnown for oneNetbook
Display2 differ
Display diagonalDiffers43.9 cm (17.3")29.5 cm (11.6")
Display resolutionDiffers1600 x 900 pixels1366 x 768 pixels
HD typeKnown for oneHD+
LED backlightYesYes
Native aspect ratio16:916:9
Display brightnessKnown for one220 cd/m²
Display response rise/fallKnown for one8 ms
Display number of coloursKnown for one16.78 million colours
Processor3 differ
Processor familyDiffersAMD Athlon IIAMD Athlon Neo
Processor modelDiffersP320K125
Processor frequencyDiffers2.1 GHz1.7 GHz
Processor cache1 MB1 MB
Processor cache typeL2L2
Processor front side busKnown for one1066 MHz
Processor manufacturerKnown for oneAMD
Memory2 differ
Internal memoryDiffers4 GB2 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory clock speed1066 MHz1066 MHz
Memory layout (slots x size)Known for one2 x 2 GB
Memory slots2x SO-DIMM2x SO-DIMM
Maximum internal memoryDiffers8 GB4 GB
Storage1 differ
Total storage capacityDiffers640 GB320 GB
HDD interfaceSATASATA
Optical drive typeKnown for oneDVD Super Multi
Card reader integratedYesYes
Compatible memory cardsMemory Stick (MS), MMC, MS PRO, SD, xDMemory Stick (MS), MMC, MS PRO, SD, xD
Graphicsidentical
Discrete graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneAMD Mobility Radeon HD 5470
Graphics card familyKnown for oneAMD
Graphics cardKnown for oneRadeon HD 4225
Audio1 differ
Audio systemDiffersHigh Definition AudioHDA
Number of built-in speakers22
Audio system direct 3D soundKnown for oneYes
Built-in microphoneKnown for oneYes
Cameraidentical
Front camera resolution (numeric)1.3 MP1.3 MP
Networkidentical
Wi-FiYesYes
Networking featuresKnown for oneGigabit Ethernet, WLAN
BluetoothNoNo
Wireless technologyKnown for one802.11 b/g/n
Ethernet LANKnown for oneYes
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Ports & interfacesidentical
USB 2.0 ports quantity33
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one0
eSATA ports quantityKnown for one0
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
DisplayPorts quantityKnown for one0
DVI portKnown for oneNo
VGA (D-Sub) ports quantity11
Firewire (IEEE 1394) portsKnown for one0
Headphone outputs11
S/PDIF out portKnown for oneNo
Microphone inKnown for oneYes
Docking connectorKnown for oneNo
ExpressCard slotKnown for oneNo
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 oneAMD M880G
GPS (satellite)Known for oneNo
Softwareidentical
Operating system installedWindows 7 Home PremiumWindows 7 Home Premium
Battery2 differ
Number of battery cells66
Battery capacityDiffers48.8 Wh4400 mAh
Battery life (max)Differs2.7 h5 h
Battery recharge timeKnown for one2 h
Battery technologyKnown for oneLithium-Ion (Li-Ion)
Power1 differ
AC adapter powerDiffers90 W65 W
DC-in jackYesYes
Securityidentical
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
Password protection typeKnown for oneBIOS
HDD user passwordKnown for oneYes
BIOS passwordKnown for oneYes
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Weight & dimensions3 differ
WeightDiffers3.3 kg1.4 kg
WidthDiffers415 mm285 mm
DepthDiffers275 mm204 mm
Height (front)Known for one2.71 cm
Height (rear)Known for one3.43 cm
HeightKnown for one28 mm
Packaging contentidentical
AC adapter includedKnown for oneYes
Other featuresidentical
Infrared data portKnown for oneNo
Wake-on-LAN readyKnown for oneYes
Internal modemKnown for oneNo
TV tuner integratedKnown for oneNo
Supplied AC adapter typeACAC
Keyboardidentical
Pointing deviceKnown for oneTouchpad

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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