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Product comparison · 2 laptops

Acer Aspire 4251 vs Acer Aspire 5551

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  • 78specifications compared
  • 17differ
  • 61identical
  • 3known for one product only

Key differences

  • Product colour
    • Black
    • Black, Silver
  • Display diagonal
    • 35.6 cm (14")
    • 39.6 cm (15.6")
  • Processor family
    • AMD V
    • AMD Athlon II
  • Processor model
    • V120
    • P320
  • Processor frequency
    • 2.2 GHz
    • 2.1 GHz
  • Processor cache
    • 0.512 MB
    • 1 MB
  • Total storage capacity
    • 160 GB
    • 320 GB
  • Operating system installed
    • Windows 7 Starter
    • Windows 7 Home Basic

Side by side

Differences highlightedShow differences only
81 specifications
A

Acer

Aspire 4251View product
B

Acer

Aspire 5551View product
Design1 differ
Product colourDiffersBlackBlack, Silver
Display1 differ
Display diagonalDiffers35.6 cm (14")39.6 cm (15.6")
Display resolution1366 x 768 pixels1366 x 768 pixels
LED backlightYesYes
Native aspect ratio16:916:9
Processor4 differ
Processor manufacturerKnown for oneAMD
Processor familyDiffersAMD VAMD Athlon II
Processor modelDiffersV120P320
Processor frequencyDiffers2.2 GHz2.1 GHz
Processor cacheDiffers0.512 MB1 MB
Processor cache typeL2L2
Memoryidentical
Internal memory2 GB2 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory clock speed1066 MHz1066 MHz
Memory layout (slots x size)1 x 2 GB1 x 2 GB
Maximum internal memory8 GB8 GB
Storage1 differ
Total storage capacityDiffers160 GB320 GB
HDD interfaceSATASATA
HDD speed5400 RPM5400 RPM
Optical drive typeDVD Super MultiDVD 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 cardYesYes
Discrete graphics card modelAMD Radeon HD 4250AMD Radeon HD 4250
Graphics card familyAMDAMD
Maximum graphics card memoryKnown for one0.256 GB
Audioidentical
Audio systemHigh Definition AudioHigh Definition Audio
Number of built-in speakers22
Cameraidentical
Front camera resolution (numeric)1.3 MP1.3 MP
Networkidentical
Wi-FiYesYes
Networking featuresGigabit EthernetGigabit Ethernet
BluetoothYesYes
Bluetooth version2.1+EDR2.1+EDR
Ports & interfacesidentical
USB 2.0 ports quantity33
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity00
eSATA ports quantity00
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
DisplayPorts quantity00
DVI portNoNo
VGA (D-Sub) ports quantity11
Firewire (IEEE 1394) ports00
Headphone outputs11
S/PDIF out portNoNo
Microphone inYesYes
Docking connectorNoNo
ExpressCard slotNoNo
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotNoNo
Modem (RJ-11) ports00
TV-in portNoNo
TV-outNoNo
PS/2 ports quantity00
Parallel ports quantity00
Serial ports quantity00
Performanceidentical
Motherboard chipsetAMD M880GAMD M880G
Keyboardidentical
Pointing deviceTouchpad + Scroll zoneTouchpad + Scroll zone
Software3 differ
Operating system installedDiffersWindows 7 StarterWindows 7 Home Basic
Trial softwareDiffersMicrosoft Office Trial SP2 McAfee Internet Security SuiteMcAfee Internet Security Suite Microsoft Office
Bundled softwareDiffersAcer Backup Manager Acer ePower Manager Acer eRecovery Management Microsoft Office Personal 2007 SP2 Microsoft Works SE 9 Microsoft Works 9 Microsoft Works 8.5 Adobe Flash Player 10 Adobe Reader 9.1 eSobi Google Toolbar Norton Online Backup MyWinLocker Cyberlink PowerDVD NTI Media Maker Microsoft SiAcer Assist Acer eRecovery Management Acer Identity Card Acer Registration Acer Updater Adobe Acrobat Reader Adobe Flash Player CyberLink PowerDVD eSobi Google Setup Google Toolbar McAfee Virus Definitions Microsoft Silverlight Microsoft Works Norton Online Backup NTI Media Maker Windows Live Essent
Battery1 differ
Number of battery cells66
Battery capacity4400 mAh4400 mAh
Battery life (max)Differs3.5 h3.3 h
Power1 differ
AC adapter powerDiffers48.8 W65 W
DC-in jackYesYes
Securityidentical
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
HDD user passwordYesYes
Password protection typeKnown for oneBIOS
Sustainabilityidentical
Sustainability certificatesENERGY STARENERGY STAR
Weight & dimensions5 differ
WeightDiffers2.2 kg2.6 kg
WidthDiffers342 mm381 mm
DepthDiffers245 mm253 mm
Height (front)Differs3.19 cm3.4 cm
Height (rear)Differs2.55 cm2.5 cm
Other featuresidentical
Infrared data portNoNo
Wake-on-LAN readyYesYes
Internal modemNoNo
TV tuner integratedNoNo
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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