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Product comparison · 2 laptops

Acer Aspire One 721-12B vs Acer Extensa 7630EZ-442G32MN

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  • 38specifications compared
  • 19differ
  • 19identical
  • 92known for one product only

Key differences

  • Display diagonal
    • 29.5 cm (11.6")
    • 43.2 cm (17")
  • Display resolution
    • 1024 x 600 pixels
    • 1440 x 900 pixels
  • Native aspect ratio
    • 5:3
    • 16:10
  • Processor manufacturer
    • AMD
    • Intel
  • Processor family
    • AMD Athlon Neo
    • Intel® Pentium® Dual-Core
  • Processor model
    • K125
    • T4400
  • Processor frequency
    • 1.7 GHz
    • 2.2 GHz
  • Internal memory type
    • DDR3-SDRAM
    • DDR2-SDRAM

Side by side

Differences highlightedShow differences only
130 specifications
A

Acer

Aspire One 721-12BView product
B

Acer

Extensa 7630EZ-442G32MNView product
Display3 differ
Display diagonalDiffers29.5 cm (11.6")43.2 cm (17")
Display resolutionDiffers1024 x 600 pixels1440 x 900 pixels
Native aspect ratioDiffers5:316:10
LED backlightKnown for oneYes
Processor4 differ
Processor manufacturerDiffersAMDIntel
Processor familyDiffersAMD Athlon NeoIntel® Pentium® Dual-Core
Processor modelDiffersK125T4400
Processor coresKnown for one2
Processor threadsKnown for one2
Processor frequencyDiffers1.7 GHz2.2 GHz
Processor cache1 MB1 MB
Processor cache typeL2L2
Processor front side bus800 MHz800 MHz
Processor socketKnown for oneSocket 478
Processor lithographyKnown for one45 nm
Processor operating modesKnown for one64-bit
Processor seriesKnown for oneIntel Pentium T4000 Series for Mobile
Processor codenameKnown for onePenryn
Bus typeKnown for oneFSB
FSB ParityKnown for oneNo
SteppingKnown for oneR0
Thermal Design Power (TDP)Known for one35 W
TjunctionKnown for one105 °C
Number of Processing Die TransistorsKnown for one410 M
Processing Die sizeKnown for one107 mm²
CPU multiplier (bus/core ratio)Known for one11
ECC supported by processorKnown for oneNo
Memory1 differ
Internal memory2 GB2 GB
Internal memory typeDiffersDDR3-SDRAMDDR2-SDRAM
Memory layout (slots x size)Known for one1 x 2 GB
Memory slotsKnown for one2x SO-DIMM
Maximum internal memory4 GB4 GB
Storage1 differ
Total storage capacityKnown for one320 GB
HDD interfaceKnown for oneSATA
HDD speedKnown for one5400 RPM
Card reader integratedDiffersYesNo
HDD capacityKnown for one250 GB
Compatible memory cardsKnown for oneMMC, MS PRO, SD, xD
Graphicsidentical
Discrete graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneIntel® GMA 4500M
Graphics cardKnown for oneRadeon HD 4225
Audioidentical
Audio systemHigh Definition AudioHigh Definition Audio
Number of built-in speakersKnown for one2
Built-in microphoneKnown for oneYes
Camera1 differ
Front camera resolution (numeric)Differs1.3 MP0.3 MP
Network1 differ
Networking featuresGigabit EthernetGigabit Ethernet
Wireless technologyDiffers802.11b/g/nIEEE 802.11b/g/n
BluetoothNoNo
Wi-FiKnown for oneYes
Ethernet LANKnown for oneYes
Ethernet LAN data ratesKnown for one1000 Mbit/s
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers34
Ethernet LAN (RJ-45) ports11
HDMI ports quantityDiffers10
DVI portKnown for oneNo
VGA (D-Sub) ports quantity11
Firewire (IEEE 1394) portsKnown for one0
Headphone outputs11
S/PDIF out portKnown for oneNo
Microphone inYesYes
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 oneIntel® GL40 Express
Keyboardidentical
Pointing deviceTouchpadTouchpad
Softwareidentical
Operating system installedWindows 7 Home PremiumWindows 7 Home Premium
Bundled softwareKnown for oneAcer Empowering Technology, Acer GridVista, Acer Launch Manager, Adobe Reader, Corel WinDVD, Microsoft Office Ready 2007, NTI Media-Maker, NTI Shadow
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)Known for oneNo
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 oneNo
Intel VT-x with Extended Page Tables (EPT)Known for oneNo
Intel Virtualization Technology (VT-x)Known for oneNo
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneNo
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 oneNo
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® Turbo Boost TechnologyKnown for oneNo
Processor ARK IDKnown for one40739
Processor codeKnown for oneSLGJL
Processor package sizeKnown for one35 x 35 mm
Thermal Monitoring TechnologiesKnown for oneNo
Conflict-Free processorKnown for oneNo
Battery1 differ
Number of battery cells66
Battery life (max)Differs5.5 h2 h
Battery technologyKnown for oneLithium-Ion (Li-Ion)
Battery capacityKnown for one4400 mAh
Poweridentical
DC-in jackYesYes
AC adapter powerKnown for one30 W
Securityidentical
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
Password protection typeKnown for oneBIOS
BIOS passwordKnown for oneYes
HDD user passwordKnown for oneYes
Weight & dimensions5 differ
WeightDiffers1.4 kg3.4 kg
WidthDiffers285 mm396 mm
DepthDiffers204 mm286 mm
Height (front)Differs2.57 cm3.52 cm
Height (rear)Differs2.8 cm4.4 cm
Other featuresidentical
Infrared data portKnown for oneNo
Wake-on-LAN readyKnown for oneYes
Internal modemKnown for oneNo
Supplied AC adapter typeACAC
Designidentical
Product typeKnown for oneNetbook
Product colourKnown for oneBrown

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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