Product comparison · 2 laptops

Acer Aspire 581P-6881 Intel® Core™ i5 i5-3337U Laptop vs ASUS X551CA Intel® Core™ i3 i3-3217U Laptop

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  • 110specifications compared
  • 29differ
  • 81identical
  • 63known for one product only

Key differences

  • Product colour
    • Aspire 581P-6881 Intel® Core™ i5 i5-3337U Laptop:Stainless steel
    • X551CA Intel® Core™ i3 i3-3217U Laptop:Black
  • Touchscreen
    • Aspire 581P-6881 Intel® Core™ i5 i5-3337U Laptop:Yes
    • X551CA Intel® Core™ i3 i3-3217U Laptop:No
  • Processor family
    • Aspire 581P-6881 Intel® Core™ i5 i5-3337U Laptop:Intel® Core™ i5
    • X551CA Intel® Core™ i3 i3-3217U Laptop:Intel® Core™ i3
  • Processor generation
    • Aspire 581P-6881 Intel® Core™ i5 i5-3337U Laptop:3rd gen Intel® Core™ i5
    • X551CA Intel® Core™ i3 i3-3217U Laptop:3rd gen Intel® Core™ i3
  • Processor model
    • Aspire 581P-6881 Intel® Core™ i5 i5-3337U Laptop:i5-3337U
    • X551CA Intel® Core™ i3 i3-3217U Laptop:i3-3217U
  • Internal memory
    • Aspire 581P-6881 Intel® Core™ i5 i5-3337U Laptop:6 GB
    • X551CA Intel® Core™ i3 i3-3217U Laptop:4 GB
  • Total storage capacity
    • Aspire 581P-6881 Intel® Core™ i5 i5-3337U Laptop:520 GB
    • X551CA Intel® Core™ i3 i3-3217U Laptop:320 GB
  • Storage media
    • Aspire 581P-6881 Intel® Core™ i5 i5-3337U Laptop:HDD+SSD
    • X551CA Intel® Core™ i3 i3-3217U Laptop:HDD

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Comparison of 581P-6881, X551CA
173 specifications
Design1 differ
Product typeLaptopLaptop
Product colourDiffersStainless steelBlack
Form factorClamshellClamshell
Display1 differ
Display diagonal39.6 cm (15.6")39.6 cm (15.6")
Display resolution1366 x 768 pixels1366 x 768 pixels
TouchscreenDiffersYesNo
Touch technologyKnown for oneMulti-touchUnknown — not stated by the source
LED backlightYesYes
Native aspect ratio16:916:9
HD typeKnown for oneUnknown — not stated by the sourceHD
Display surfaceKnown for oneUnknown — not stated by the sourceGloss
Processor4 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™ i5Intel® Core™ i3
Processor generationDiffers3rd gen Intel® Core™ i53rd gen Intel® Core™ i3
Processor modelDiffersi5-3337Ui3-3217U
Processor cores22
Processor threads44
Processor boost frequencyKnown for one2.7 GHzUnknown — not stated by the source
Processor frequency1.8 GHz1.8 GHz
System bus rate5 GT/s5 GT/s
Processor cache3 MB3 MB
Processor cache typeSmart CacheSmart Cache
Processor socketBGA 1023BGA 1023
Processor lithography22 nm22 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core i5-3300 Mobile seriesIntel Core i3-3200 Mobile Series
Processor codenameIvy BridgeIvy Bridge
Bus typeDMIDMI
FSB ParityKnown for oneNoUnknown — not stated by the source
SteppingL1L1
Thermal Design Power (TDP)17 W17 W
Tjunction105 °C105 °C
Maximum number of PCI Express lanes1616
PCI Express configurations1x16, 2x8, 1x8+2x41x16, 2x8, 1x8+2x4
PCI Express slots version2.02.0
CPU multiplier (bus/core ratio)1818
ECC supported by processorNoNo
Memory1 differ
Internal memoryDiffers6 GB4 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory slotsKnown for one1x SO-DIMMUnknown — not stated by the source
Maximum internal memoryKnown for one12 GBUnknown — not stated by the source
Memory clock speedKnown for oneUnknown — not stated by the source1600 MHz
Storage5 differ
Total storage capacityDiffers520 GB320 GB
Storage mediaDiffersHDD+SSDHDD
Number of HDDs installed11
HDD capacityDiffers500 GB320 GB
HDD interfaceKnown for oneSATAUnknown — not stated by the source
Number of SSDs installedKnown for one1Unknown — not stated by the source
SSD capacityKnown for one20 GBUnknown — not stated by the source
Optical drive typeDiffersNoDVD-RW
Card reader integratedYesYes
Compatible memory cardsDiffersSDMMC, SD
HDD speedKnown for oneUnknown — not stated by the source5400 RPM
Graphics1 differ
On-board graphics cardYesYes
On-board graphics card familyKnown for oneIntel® HD GraphicsUnknown — not stated by the source
On-board graphics card modelIntel® HD Graphics 4000Intel® HD Graphics 4000
On-board graphics card base frequency350 MHz350 MHz
On-board graphics card dynamic frequency (max)Differs1100 MHz1050 MHz
On-board graphics card ID0x1660x166
Discrete graphics cardKnown for oneUnknown — not stated by the sourceNo
Discrete graphics card modelKnown for oneUnknown — not stated by the sourceNot available
Audioidentical
Built-in microphoneYesYes
Number of built-in speakersKnown for oneUnknown — not stated by the source2
Cameraidentical
Front cameraYesYes
Optical driveidentical
LightScribeKnown for oneNoUnknown — not stated by the source
Network2 differ
Wi-FiYesYes
Wi-Fi standardsDiffers802.11a, 802.11b, 802.11g802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANYesYes
Ethernet LAN data ratesDiffers10,100,1000 Mbit/s10,100 Mbit/s
BluetoothKnown for oneYesUnknown — not stated by the source
Bluetooth versionKnown for one4.0Unknown — not stated by the source
Data networkKnown for oneNot supportedUnknown — not stated by the source
Networking standardsKnown for oneIEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.3, IEEE 802.3ab, IEEE 802.3uUnknown — not stated by the source
4G WiMAXKnown for oneNoUnknown — not stated by the source
Integrated 4G WiMAXYesYes
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers21
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity11
eSATA/USB 2.0 ports quantityKnown for one0Unknown — not stated by the source
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one0Unknown — not stated by the source
eSATA ports quantityKnown for one0Unknown — not stated by the source
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
DisplayPorts quantity00
DVI portNoNo
VGA (D-Sub) ports quantityDiffers10
Firewire (IEEE 1394) portsKnown for one0Unknown — not stated by the source
Thunderbolt ports quantity00
Headphone outputsKnown for one1Unknown — not stated by the source
S/PDIF out portKnown for oneNoUnknown — not stated by the source
Microphone inKnown for oneYesUnknown — not stated by the source
Docking connectorNoNo
ExpressCard slotKnown for oneNoUnknown — not stated by the source
CardBus PCMCIA slots quantityKnown for one0Unknown — not stated by the source
CardBus PCMCIA slot typeKnown for oneNoUnknown — not stated by the source
SmartCard slotKnown for oneNoUnknown — not stated by the source
Combo headphone/mic portKnown for oneUnknown — not stated by the sourceYes
Keyboardidentical
Pointing deviceTouchpadTouchpad
Numeric keypadYesYes
Windows keysKnown for oneUnknown — not stated by the sourceYes
Softwareidentical
Operating system installedWindows 8Windows 8
Operating system architectureKnown for one64-bitUnknown — not stated by the source
Processor special features6 differ
Intel® Wireless Display (Intel® WiDi)YesYes
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithography22 nm22 nm
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyKnown for oneNoUnknown — not stated by the source
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyYesYes
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyYesYes
Intel Fast Memory AccessYesYes
Intel Flex Memory AccessYesYes
Intel Identity Protection Technology version1.001.00
Intel Rapid Storage TechnologyKnown for oneNoUnknown — not stated by the source
Intel Secure Key Technology versionKnown for one1.00Unknown — not stated by the source
Intel Smart Connect TechnologyKnown for oneNoUnknown — not stated by the source
Intel Trusted Execution TechnologyNoNo
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersYesNo
Intel® AES New Instructions (Intel® AES-NI)DiffersYesNo
Intel® Active Management Technology (Intel® AMT)Known for oneNoUnknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)YesYes
Intel® Clear Video HD Technology (Intel® CVT HD)YesYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneNoUnknown — not stated by the source
Intel® High Definition Audio (Intel® HD Audio)Known for oneNoUnknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Identity Protection Technology (Intel® IPT)YesYes
Intel® InTru™ 3D TechnologyYesYes
Intel® Insider™YesYes
Intel® Matrix Storage Technology (Intel® MST)Known for oneNoUnknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)YesYes
Intel® Quick Sync Video TechnologyYesYes
Intel® Rapid Start TechnologyKnown for oneNoUnknown — not stated by the source
Intel® Secure KeyKnown for oneYesUnknown — not stated by the source
Intel® Small Business Advantage (Intel® SBA)Known for oneNoUnknown — not stated by the source
Intel® Smart CacheYesYes
Intel® Smart Response TechnologyKnown for oneNoUnknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers2.0No
Processor ARK IDDiffers7205565697
Processor codeDiffersSR0XLSR0N9
Processor package sizeDiffers31 x 24 (BGA1023)31 x 24 mm
Supported instruction setsAVXAVX
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorYesYes
Battery1 differ
Battery technologyKnown for oneLithium Polymer (LiPo)Unknown — not stated by the source
Number of battery cells44
Battery capacityDiffers3560 mAh37 Wh
Battery life (max)Known for one5 hUnknown — not stated by the source
Power1 differ
AC adapter powerDiffers65 W45 W
DC-in jackYesYes
AC adapter frequencyKnown for oneUnknown — not stated by the source50 - 60 Hz
AC adapter input voltageKnown for oneUnknown — not stated by the source100 - 240 V
AC adapter output currentKnown for oneUnknown — not stated by the source2.37 A
AC adapter output voltageKnown for oneUnknown — not stated by the source19 V
Security1 differ
Cable lock slotDiffersNoYes
Fingerprint readerKnown for oneNoUnknown — not stated by the source
Cable lock slot typeKnown for oneUnknown — not stated by the sourceKensington
Weight & dimensions3 differ
WeightDiffers2.2 kg2.15 kg
WidthDiffers381 mm380 mm
DepthDiffers256.5 mm251 mm
Height (front)Known for oneUnknown — not stated by the source3.09 cm
Height (rear)Known for oneUnknown — not stated by the source3.66 cm
Packaging contentidentical
AC adapter includedYesYes
ManualKnown for oneUnknown — not stated by the sourceYes
Other featuresidentical
TV tuner integratedKnown for oneNoUnknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for oneUnknown — not stated by the sourceRoHS
CertificationKnown for oneUnknown — not stated by the sourceUL, CE Marking Compliance, FCC Compliance, BSMI, CCC, CB, EPEAT, Energy star, CECP, RoHS, JATE
Sustainabilityidentical
Sustainability certificatesKnown for oneUnknown — not stated by the sourceENERGY STAR

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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