Product comparison · 2 laptops

Acer B115-M-P121 Intel® Pentium® N3540 Laptop vs Acer Chromebook C730-C42W Intel® Celeron® N2840

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  • 105specifications compared
  • 31differ
  • 74identical
  • 46known for one product only

Key differences

  • Product type
    • B115-M-P121 Intel® Pentium® N3540 Laptop:Laptop
    • Chromebook C730-C42W Intel® Celeron® N2840:Chromebook
  • Product colour
    • B115-M-P121 Intel® Pentium® N3540 Laptop:Black
    • Chromebook C730-C42W Intel® Celeron® N2840:Silver
  • Processor family
    • B115-M-P121 Intel® Pentium® N3540 Laptop:Intel® Pentium®
    • Chromebook C730-C42W Intel® Celeron® N2840:Intel® Celeron®
  • Processor model
    • B115-M-P121 Intel® Pentium® N3540 Laptop:N3540
    • Chromebook C730-C42W Intel® Celeron® N2840:N2840
  • Processor cores
    • B115-M-P121 Intel® Pentium® N3540 Laptop:4
    • Chromebook C730-C42W Intel® Celeron® N2840:2
  • Processor threads
    • B115-M-P121 Intel® Pentium® N3540 Laptop:4
    • Chromebook C730-C42W Intel® Celeron® N2840:2
  • Processor boost frequency
    • B115-M-P121 Intel® Pentium® N3540 Laptop:2.66 GHz
    • Chromebook C730-C42W Intel® Celeron® N2840:2.58 GHz
  • Processor cache
    • B115-M-P121 Intel® Pentium® N3540 Laptop:2 MB
    • Chromebook C730-C42W Intel® Celeron® N2840:1 MB

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Differences highlightedShow differences only (off)
Comparison of B115-M-P121, C730-C42W
151 specifications
Design2 differ
Product typeDiffersLaptopChromebook
Product colourDiffersBlackSilver
Form factorClamshellClamshell
Market positioningKnown for oneBusinessUnknown — not stated by the source
Displayidentical
Display diagonal29.5 cm (11.6")29.5 cm (11.6")
Display resolution1366 x 768 pixels1366 x 768 pixels
TouchscreenNoNo
HD typeKnown for oneHDUnknown — not stated by the source
LED backlightYesYes
Native aspect ratio16:916:9
Processor7 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Pentium®Intel® Celeron®
Processor modelDiffersN3540N2840
Processor coresDiffers42
Processor threadsDiffers42
Processor boost frequencyDiffers2.66 GHz2.58 GHz
Processor frequency2.16 GHz2.16 GHz
Processor cacheDiffers2 MB1 MB
Processor cache typeL2L2
Processor socketBGA 1170BGA 1170
Processor lithography22 nm22 nm
Processor operating modes32-bit, 64-bit32-bit, 64-bit
Processor seriesDiffersIntel® Pentium N3000 Series for MobileIntel Celeron Processor N2000 Series for Mobile
Processor codenameBay TrailBay Trail
SteppingC0C0
Thermal Design Power (TDP)7.5 W7.5 W
Scenario Design Power (SDP)4.5 W4.5 W
Tjunction100 °C100 °C
Maximum number of PCI Express lanes44
PCI Express configurations1x41x4
PCI Express slots version2.02.0
ECC supported by processorNoNo
FSB ParityKnown for oneUnknown — not stated by the sourceNo
Memory1 differ
Internal memoryDiffers4 GB2 GB
Internal memory typeDDR3L-SDRAMDDR3L-SDRAM
Memory form factorKnown for oneSO-DIMMUnknown — not stated by the source
Memory slotsKnown for one1x SO-DIMMUnknown — not stated by the source
Maximum internal memoryKnown for one8 GBUnknown — not stated by the source
Maximum internal memory (64-bit)Known for one8 GBUnknown — not stated by the source
Storage2 differ
Total storage capacityDiffers128 GB16 GB
Storage mediaSSDSSD
Number of SSDs installed11
SSD capacityDiffers128 GB16 GB
Optical drive typeNoNo
Card reader integratedYesYes
Compatible memory cardsSDSD
Graphics3 differ
On-board graphics cardYesYes
Discrete graphics cardNoNo
Discrete graphics card modelNot availableNot available
On-board graphics card familyIntel® HD GraphicsIntel® HD Graphics
On-board graphics card modelIntel® HD GraphicsIntel® HD Graphics
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 one11.2Unknown — not stated by the source
Audioidentical
Built-in microphoneYesYes
Cameraidentical
Front cameraYesYes
Network2 differ
Wi-FiYesYes
Wi-Fi standards802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANDiffersYesNo
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/sUnknown — not stated by the source
BluetoothDiffersYesNo
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers21
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity11
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one0Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one0Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one0Unknown — not stated by the source
Ethernet LAN (RJ-45) portsDiffers10
HDMI ports quantity11
DisplayPorts quantity00
DVI portNoNo
VGA (D-Sub) ports quantity00
Thunderbolt ports quantity00
Combo headphone/mic portYesYes
Docking connectorNoNo
Headphone outputsKnown for oneUnknown — not stated by the source0
S/PDIF out portKnown for oneUnknown — not stated by the sourceNo
Microphone inKnown for oneUnknown — not stated by the sourceNo
ExpressCard slotKnown for oneUnknown — not stated by the sourceNo
CardBus PCMCIA slots quantityKnown for oneUnknown — not stated by the source0
CardBus PCMCIA slot typeKnown for oneUnknown — not stated by the sourceNo
SmartCard slotKnown for oneUnknown — not stated by the sourceNo
Total number of SATA connectorsKnown for oneUnknown — not stated by the source2
Keyboardidentical
Pointing deviceTouchpadTouchpad
Numeric keypadNoNo
Island-style keyboardKnown for oneYesUnknown — not stated by the source
Windows keysKnown for oneYesUnknown — not stated by the source
Keyboard layoutKnown for oneUnknown — not stated by the sourceQWERTY
Software1 differ
Operating system installedDiffersWindows 8.1 ProWindows 8.1
Operating system architecture64-bit64-bit
Processor special features2 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 Enhanced Halt StateYesYes
Intel Secure Key Technology version1.001.00
Intel Smart Connect TechnologyYesYes
Intel Smart Connect Technology version1.001.00
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)NoNo
Intel® AES New Instructions (Intel® AES-NI)NoNo
Intel® Anti-Theft Technology (Intel® AT)NoNo
Intel® Clear Video HD Technology (Intel® CVT HD)NoNo
Intel® Hyper Threading Technology (Intel® HT Technology)NoNo
Intel® InTru™ 3D TechnologyNoNo
Intel® Insider™NoNo
Intel® Quick Sync Video TechnologyYesYes
Intel® Secure KeyYesYes
Intel® Turbo Boost TechnologyNoNo
Processor ARK IDDiffers8210582103
Processor codeDiffersSR1YWSR1YJ
Processor package size25 x 27 mm25 x 27 mm
Conflict-Free processorYesYes
Intel Clear Video TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel Demand Based SwitchingKnown for oneUnknown — not stated by the sourceNo
Intel Dual Display Capable TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel FDI TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel Fast Memory AccessKnown for oneUnknown — not stated by the sourceNo
Intel Flex Memory AccessKnown for oneUnknown — not stated by the sourceNo
Intel Rapid Storage TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel Trusted Execution TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel VT-x with Extended Page Tables (EPT)Known for oneUnknown — not stated by the sourceNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneUnknown — not stated by the sourceNo
Intel® My WiFi Technology (Intel® MWT)Known for oneUnknown — not stated by the sourceNo
Thermal Monitoring TechnologiesKnown for oneUnknown — not stated by the sourceNo
Battery2 differ
Battery technologyLithium-Ion (Li-Ion)Lithium-Ion (Li-Ion)
Number of battery cellsDiffers43
Battery capacityDiffers3315 mAh3490 mAh
Battery life (max)Known for one7 hUnknown — not stated by the source
Power1 differ
AC adapter powerDiffers40 W45 W
AC adapter frequencyKnown for one50 - 60 HzUnknown — not stated by the source
AC adapter input voltageKnown for one100 - 240 VUnknown — not stated by the source
DC-in jackYesYes
Security1 differ
Cable lock slotDiffersYesNo
Cable lock slot typeKnown for oneKensingtonUnknown — not stated by the source
Password protectionKnown for oneYesUnknown — not stated by the source
Password protection typeKnown for oneBIOS, Supervisor, UserUnknown — not stated by the source
Certificatesidentical
CertificationKnown for oneACPI 3.0Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers1.32 kg1.4 kg
WidthDiffers291 mm302.6 mm
DepthDiffers211 mm206.6 mm
HeightDiffers21.2 mm21.8 mm
Packaging contentidentical
AC adapter includedKnown for oneYesUnknown — not stated by the source
ManualKnown for oneYesUnknown — not stated by the source
Power cord includedKnown for oneYesUnknown — not stated by the source
Other features1 differ
Intel segment taggingDiffersEnterprise, Small BusinessEducation
Optical driveidentical
LightScribeKnown for oneUnknown — not stated by the sourceNo

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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