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Product comparison · 2 laptops

Acer TravelMate B B115-M-P69P Intel® Pentium® N3540 Laptop vs Acer Extensa EX2508-C7MW Intel® Celeron® N2840 Laptop

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  • 109specifications compared
  • 28differ
  • 81identical
  • 24known for one product only

Key differences

  • Display diagonal
    • 29.5 cm (11.6")
    • 39.6 cm (15.6")
  • Processor family
    • Intel® Pentium®
    • Intel® Celeron®
  • Processor model
    • N3540
    • N2840
  • Processor cores
    • 4
    • 2
  • Processor threads
    • 4
    • 2
  • Processor boost frequency
    • 2.66 GHz
    • 2.58 GHz
  • Processor cache
    • 2 MB
    • 1 MB
  • Internal memory
    • 4 GB
    • 2 GB

Side by side

Differences highlightedShow differences only
133 specifications
A

Acer

TravelMate B B115-M-P69P Intel® Pentium® N3540 Laptop

Model B115-M-P69P

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B

Acer

Extensa EX2508-C7MW Intel® Celeron® N2840 Laptop

Model EX2508-C7MW

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Designidentical
Market positioningKnown for oneBusiness
Display1 differ
Display diagonalDiffers29.5 cm (11.6")39.6 cm (15.6")
Processor7 differ
Processor familyDiffersIntel® Pentium®Intel® Celeron®
Processor modelDiffersN3540N2840
Processor coresDiffers42
Processor threadsDiffers42
Processor boost frequencyDiffers2.66 GHz2.58 GHz
Processor cacheDiffers2 MB1 MB
Processor seriesDiffersIntel® Pentium N3000 Series for MobileIntel Celeron Processor N2000 Series for Mobile
Memory1 differ
Internal memoryDiffers4 GB2 GB
Memory form factorKnown for oneSO-DIMM
Memory slotsKnown for one1x SO-DIMM
Maximum internal memory (64-bit)Known for one8 GB
Memory layout (slots x size)Known for one1 x 2 GB
Storage3 differ
Total storage capacityDiffers320 GB500 GB
HDD capacityDiffers320 GB500 GB
HDD interfaceKnown for oneSATA
HDD speedKnown for one5400 RPM
HDD sizeKnown for one2.5"
Optical drive typeDiffersNoDVD±RW
Graphics3 differ
On-board graphics card base frequencyDiffers313 MHz311 MHz
On-board graphics card burst frequencyDiffers896 MHz792 MHz
On-board graphics card dynamic frequency (max)Differs896 MHz792 MHz
On-board graphics card DirectX versionKnown for one11.2
Audioidentical
Number of built-in speakersKnown for one2
Network1 differ
Wi-Fi standardsDiffers802.11a, 802.11b, 802.11g802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth versionKnown for one4.0
Top Wi-Fi standardKnown for oneWi-Fi 4 (802.11n)
Keyboard1 differ
Numeric keypadDiffersNoYes
Island-style keyboardKnown for oneYes
Software1 differ
Operating system installedDiffersWindows 7 ProfessionalLinux Linpus
Operating system architectureKnown for one64-bit
Recovery operating systemKnown for oneWindows 8.1 Pro
Processor special features2 differ
Processor ARK IDDiffers8210582103
Processor codeDiffersSR1YWSR1YJ
Battery2 differ
Number of battery cellsDiffers43
Battery capacityDiffers3220 mAh3270 mAh
Battery life (max)Known for one7 h
Power1 differ
AC adapter powerDiffers40 W45 W
AC adapter frequencyKnown for one50 - 60 Hz
AC adapter input voltageKnown for one100 - 240 V
Certificates1 differ
CertificationDiffersACPI 3.0ACPI 5.0
Weight & dimensions4 differ
WeightDiffers1.32 kg2.4 kg
WidthDiffers291 mm381.6 mm
DepthDiffers211 mm258 mm
HeightDiffers21.2 mm26.1 mm
Packaging contentidentical
AC adapter includedKnown for oneYes
Other featuresidentical
Intel segment taggingKnown for oneEnterprise, Small Business
Securityidentical
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Password protectionKnown for oneYes
Password protection typeKnown for oneBIOS, HDD, Supervisor, User

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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