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Product comparison · 2 laptops

Acer Aspire 531-987B4G75Mass Intel® Pentium® 987 Laptop vs TERRA MOBILE INDUSTRY 1580

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  • 112specifications compared
  • 50differ
  • 62identical
  • 52known for one product only

Key differences

  • Product colour
    • Grey
    • Silver
  • Display resolution
    • 1366 x 768 pixels
    • 1920 x 1080 pixels
  • Processor family
    • Intel® Pentium®
    • Intel® Core™ i5
  • Processor model
    • 987
    • i5-540M
  • Processor threads
    • 2
    • 4
  • Processor frequency
    • 1.5 GHz
    • 2.53 GHz
  • Processor cache
    • 2 MB
    • 3 MB
  • Processor cache type
    • L2
    • Smart Cache

Side by side

Differences highlightedShow differences only
164 specifications
A

Acer

Aspire 531-987B4G75Mass Intel® Pentium® 987 Laptop

Model 531-987B4G75Mass

View product
B

TERRA

TERRA MOBILE INDUSTRY 1580View product
Design1 differ
Product typeLaptopLaptop
Product colourDiffersGreySilver
Form factorClamshellClamshell
Housing materialKnown for oneMagnesium
Display1 differ
Display diagonal39.6 cm (15.6")39.6 cm (15.6")
Display resolutionDiffers1366 x 768 pixels1920 x 1080 pixels
TouchscreenNoNo
LED backlightYesYes
Native aspect ratio16:916:9
HD typeKnown for oneFull HD
Processor14 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Pentium®Intel® Core™ i5
Processor modelDiffers987i5-540M
Processor cores22
Processor threadsDiffers24
Processor frequencyDiffers1.5 GHz2.53 GHz
Processor cacheDiffers2 MB3 MB
Processor cache typeDiffersL2Smart Cache
Processor socketDiffersBGA 1023BGA 956
Processor lithography32 nm32 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Pentium 900 Series for MobileIntel Core i5-500 Mobile Series
Processor codenameDiffersSandy BridgeArrandale
Bus typeDMIDMI
FSB ParityNoNo
SteppingDiffersQ0C2
Thermal Design Power (TDP)Differs17 W35 W
TjunctionDiffers100 °C105 °C
Maximum number of PCI Express lanes1616
PCI Express configurationsDiffers1x16, 2x8, 1x8+2x41x16
PCI Express slots version2.02.0
CPU multiplier (bus/core ratio)Differs1519
ECC supported by processorNoNo
Processor generationKnown for oneIntel® Core™ i5
Processor boost frequencyKnown for one3.07 GHz
System bus rateKnown for one2.5 GT/s
Number of Processing Die TransistorsKnown for one382 M
Processing Die sizeKnown for one81 mm²
Memory2 differ
Internal memoryDiffers4 GB6 GB
Internal memory typeDiffersDDR3-SDRAMDDR2-SDRAM
Memory form factorKnown for oneSO-DIMM
Memory layout (slots x size)Known for one1 x 2 + 1 x 4 GB
Memory slotsKnown for one2x SO-DIMM
Maximum internal memoryKnown for one8 GB
Storage4 differ
Total storage capacityDiffers750 GB1 TB
Storage mediaHDDHDD
Number of HDDs installed11
HDD capacityDiffers750 GB1 TB
HDD interfaceDiffersSATASATA II
HDD speedKnown for one5400 RPM
HDD sizeKnown for one2.5"
Optical drive typeDiffersDVD Super MultiDVD±RW
Card reader integratedYesYes
Compatible memory cardsKnown for oneMemory Stick (MS), MMC, MS PRO, SD
Graphics2 differ
On-board graphics cardYesYes
Discrete graphics cardKnown for oneNo
Discrete graphics card modelKnown for oneNot available
On-board graphics card familyIntel® HD GraphicsIntel® HD Graphics
On-board graphics card modelIntel® HD GraphicsIntel® HD Graphics
On-board graphics card base frequencyDiffers350 MHz500 MHz
On-board graphics card dynamic frequency (max)Differs1000 MHz766 MHz
Audioidentical
Audio systemKnown for oneDolby Home Theater v2
Number of built-in speakersKnown for one2
Built-in microphoneYesYes
Network1 differ
Wi-FiYesYes
Wi-Fi standardsDiffers802.11a, 802.11g, Wi-Fi 4 (802.11n)802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANYesYes
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
BluetoothYesYes
Bluetooth versionKnown for one4.0
Cabling technologyKnown for one10/100/1000Base-T(X)
Networking standardsKnown for oneIEEE 802.11a, IEEE 802.11g, IEEE 802.11n, IEEE 802.3, IEEE 802.3ab, IEEE 802.3u
Integrated 4G WiMAXKnown for oneNo
Mobile network connectionKnown for oneYes
Mobile network generationKnown for one3G
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers23
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers10
eSATA/USB 2.0 ports quantity00
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity00
eSATA ports quantity00
HDMI ports quantityDiffers10
DisplayPorts quantity00
DVI portNoNo
Firewire (IEEE 1394) ports00
Thunderbolt ports quantity00
LAN/VGA combo portKnown for oneYes
Headphone outputs11
Combo headphone/mic portDiffersYesNo
Microphone inYesYes
Docking connectorKnown for oneNo
ExpressCard slotNoNo
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotNoNo
Ethernet LAN (RJ-45) portsKnown for one1
VGA (D-Sub) ports quantityKnown for one1
S/PDIF out portKnown for oneNo
Serial ports quantityKnown for one1
Performance1 differ
Motherboard chipsetDiffersIntel® HM70 ExpressIntel® HM55 Express
Keyboard1 differ
Pointing deviceKnown for oneTouchpad
Numeric keypadDiffersYesNo
Full-size keyboardKnown for oneYes
Spill-resistant keyboardKnown for oneYes
Software1 differ
Operating system installedDiffersWindows 8Windows 7 Professional
Operating system architecture64-bit64-bit
Pre-installed softwareKnown for oneMicrosoft Windows Live Essentials, Adobe Reader, XP-Mode
Trial softwareKnown for oneMicrosoft Office, Norton Internet Security
Processor special features14 differ
Intel® Wireless Display (Intel® WiDi)NoNo
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithographyDiffers32 nm45 nm
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyDiffersNoYes
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 Rapid Storage TechnologyNoNo
Intel Trusted Execution TechnologyDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)DiffersNoYes
Intel Virtualization Technology (VT-x)DiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Anti-Theft Technology (Intel® AT)NoNo
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersNoYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)DiffersNoYes
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® Identity Protection Technology (Intel® IPT)Known for oneNo
Intel® InTru™ 3D TechnologyNoNo
Intel® Insider™NoNo
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Quick Sync Video TechnologyNoNo
Intel® Small Business Advantage (Intel® SBA)Known for oneNo
Intel® Turbo Boost TechnologyDiffersNo1.0
Processor ARK IDDiffers6719443544
Processor codeKnown for oneSR0V4
Processor package sizeDiffers31.0 x 24.0 (BGA1023)rPGA 37.5x 37.5, BGA 34x28
Supported instruction setsDiffersSSE4.xSSE4.1/4.2
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorNoNo
Physical Address Extension (PAE)Known for one36 bit
Battery1 differ
Number of battery cellsKnown for one4
Battery capacityKnown for one2500 mAh
Battery life (max)Differs4 h5 h
Poweridentical
AC adapter powerKnown for one65 W
DC-in jackYesYes
Securityidentical
Cable lock slotNoNo
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Weight & dimensions3 differ
WeightDiffers2.3 kg3.2 kg
WidthDiffers414.8 mm370 mm
DepthDiffers275 mm276 mm
Height (front)Known for one3.1 cm
Height (rear)Known for one3.46 cm
HeightKnown for one40 mm
Packaging contentidentical
AC adapter includedKnown for oneYes
Other featuresidentical
64-bit computingKnown for oneYes
Cameraidentical
Front cameraKnown for oneYes
Front camera resolution (numeric)Known for one1.3 MP
Optical driveidentical
LightScribeKnown for oneNo

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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