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Product comparison · 2 laptops

Acer B115-M-P121 Intel® Pentium® N3540 Laptop vs Acer TravelMate P2 P257-M-P47M Intel® Pentium® 3805U Laptop

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  • 102specifications compared
  • 42differ
  • 60identical
  • 58known for one product only

Key differences

  • Display diagonal
    • 29.5 cm (11.6")
    • 39.6 cm (15.6")
  • Processor model
    • N3540
    • 3805U
  • Processor cores
    • 4
    • 2
  • Processor threads
    • 4
    • 2
  • Processor frequency
    • 2.16 GHz
    • 1.9 GHz
  • Processor cache type
    • L2
    • L3
  • Processor socket
    • BGA 1170
    • BGA 1168
  • Processor lithography
    • 22 nm
    • 14 nm

Side by side

Differences highlightedShow differences only
160 specifications
A

Acer

B115-M-P121 Intel® Pentium® N3540 Laptop

Model B115-M-P121

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B

Acer

TravelMate P2 P257-M-P47M Intel® Pentium® 3805U Laptop

Model P257-M-P47M

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Designidentical
Market positioningKnown for oneBusiness
Display1 differ
Display diagonalDiffers29.5 cm (11.6")39.6 cm (15.6")
Processor14 differ
Processor modelDiffersN35403805U
Processor coresDiffers42
Processor threadsDiffers42
Processor frequencyDiffers2.16 GHz1.9 GHz
System bus rateKnown for one5 GT/s
Processor cache typeDiffersL2L3
Processor socketDiffersBGA 1170BGA 1168
Processor lithographyDiffers22 nm14 nm
Processor seriesDiffersIntel® Pentium N3000 Series for MobileIntel Pentium 3000 series for Mobile
Processor codenameDiffersBay TrailBroadwell
Bus typeKnown for oneDMI2
SteppingDiffersC0E0
Thermal Design Power (TDP)Differs7.5 W15 W
Configurable TDP-downKnown for one10 W
Configurable TDP-down frequencyKnown for one0.6 GHz
TjunctionDiffers100 °C105 °C
Maximum number of PCI Express lanesDiffers412
PCI Express configurationsDiffers1x42x4, 4x1
Processor boost frequencyKnown for one2.66 GHz
Scenario Design Power (SDP)Known for one4.5 W
ECC supported by processorKnown for oneNo
Memory2 differ
Memory slotsDiffers1x SO-DIMM2x SO-DIMM
Maximum internal memoryDiffers8 GB16 GB
Memory form factorKnown for oneSO-DIMM
Maximum internal memory (64-bit)Known for one8 GB
Storage4 differ
Total storage capacityDiffers128 GB500 GB
Storage mediaDiffersSSDHDD
Number of HDDs installedKnown for one1
HDD capacityKnown for one500 GB
Number of SSDs installedDiffers10
Optical drive typeDiffersNoDVD Super Multi
SSD capacityKnown for one128 GB
Graphics3 differ
On-board graphics card base frequencyDiffers313 MHz100 MHz
On-board graphics card dynamic frequency (max)Differs896 MHz800 MHz
On-board graphics card DirectX versionDiffers11.211.2/12
On-board graphics card burst frequencyKnown for one896 MHz
Networkidentical
Top Wi-Fi standardKnown for oneWi-Fi 5 (802.11ac)
BluetoothKnown for oneYes
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers21
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers12
VGA (D-Sub) ports quantityDiffers01
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one0
Keyboard1 differ
Numeric keypadDiffersNoYes
Island-style keyboardKnown for oneYes
Software1 differ
Operating system installedDiffersWindows 8.1 ProWindows 7 Professional
Recovery operating systemKnown for oneWindows 8.1 Pro
Processor special features7 differ
Graphics & IMC lithographyDiffers22 nm14 nm
Intel Clear Video TechnologyKnown for oneYes
Intel FDI TechnologyKnown for oneYes
Intel Fast Memory AccessKnown for oneYes
Intel Flex Memory AccessKnown for oneYes
Intel Identity Protection Technology versionKnown for one1.00
Intel Small Business Advantage (SBA) versionKnown for one0.00
Intel Smart Response Technology versionKnown for one0.00
Intel Stable Image Platform Program (SIPP)Known for oneNo
Intel Stable Image Platform Program (SIPP) versionKnown for one0.00
Intel TSX-NIKnown for oneNo
Intel TSX-NI versionKnown for one0.00
Intel Trusted Execution TechnologyKnown for oneNo
Intel VT-x with Extended Page Tables (EPT)Known for oneYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneYes
Intel® Identity Protection Technology (Intel® IPT)Known for oneYes
Intel® InTru™ 3D TechnologyDiffersNoYes
Intel® Insider™DiffersNoYes
Intel® OS GuardKnown for oneNo
Intel® Smart Response TechnologyKnown for oneNo
Processor ARK IDDiffers8210584813
Processor codeDiffersSR1YWSR210
Processor package sizeDiffers25 x 27 mm40 x 24 x 1.3 mm
Supported instruction setsKnown for oneSSE4.1, SSE4.2
Thermal Monitoring TechnologiesKnown for oneYes
Intel Smart Connect TechnologyKnown for oneYes
Intel Smart Connect Technology versionKnown for one1.00
Intel® Anti-Theft Technology (Intel® AT)Known for oneNo
Battery1 differ
Battery capacityDiffers3315 mAh2520 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
Securityidentical
Fingerprint readerKnown for oneNo
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Password protectionKnown for oneYes
Password protection typeKnown for oneBIOS, Supervisor, User
Weight & dimensions4 differ
WeightDiffers1.32 kg2.4 kg
WidthDiffers291 mm381.6 mm
DepthDiffers211 mm256 mm
HeightDiffers21.2 mm24.9 mm
Height (front)Known for one2.49 cm
Height (rear)Known for one2.49 cm
Packaging contentidentical
Cables includedKnown for oneAC
ManualKnown for oneYes
Power cord includedKnown for oneYes
Other featuresidentical
3DKnown for oneNo
Certificatesidentical
CertificationKnown for oneACPI 3.0

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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