Product comparison · 2 laptops

Acer TravelMate B B115-M-P74Z Intel® Pentium® N3540 Laptop vs Acer TravelMate B B115-MP-C32J Intel® Celeron® N2840 Laptop

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  • 139specifications compared
  • 13differ
  • 126identical
  • 3known for one product only

Key differences

  • Processor family
    • TravelMate B B115-M-P74Z Intel® Pentium® N3540 Laptop:Intel® Pentium®
    • TravelMate B B115-MP-C32J Intel® Celeron® N2840 Laptop:Intel® Celeron®
  • Processor model
    • TravelMate B B115-M-P74Z Intel® Pentium® N3540 Laptop:N3540
    • TravelMate B B115-MP-C32J Intel® Celeron® N2840 Laptop:N2840
  • Processor cores
    • TravelMate B B115-M-P74Z Intel® Pentium® N3540 Laptop:4
    • TravelMate B B115-MP-C32J Intel® Celeron® N2840 Laptop:2
  • Processor threads
    • TravelMate B B115-M-P74Z Intel® Pentium® N3540 Laptop:4
    • TravelMate B B115-MP-C32J Intel® Celeron® N2840 Laptop:2
  • Processor boost frequency
    • TravelMate B B115-M-P74Z Intel® Pentium® N3540 Laptop:2.66 GHz
    • TravelMate B B115-MP-C32J Intel® Celeron® N2840 Laptop:2.58 GHz
  • Processor cache
    • TravelMate B B115-M-P74Z Intel® Pentium® N3540 Laptop:2 MB
    • TravelMate B B115-MP-C32J Intel® Celeron® N2840 Laptop:1 MB
  • On-board graphics card base frequency
    • TravelMate B B115-M-P74Z Intel® Pentium® N3540 Laptop:313 MHz
    • TravelMate B B115-MP-C32J Intel® Celeron® N2840 Laptop:311 MHz
  • On-board graphics card burst frequency
    • TravelMate B B115-M-P74Z Intel® Pentium® N3540 Laptop:896 MHz
    • TravelMate B B115-MP-C32J Intel® Celeron® N2840 Laptop:792 MHz

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Differences highlightedShow differences only (off)
Comparison of B115-M-P74Z, B115-MP-C32J
142 specifications
Designidentical
Product typeLaptopLaptop
Product colourBlackBlack
Form factorClamshellClamshell
Displayidentical
Display diagonal29.5 cm (11.6")29.5 cm (11.6")
Display resolution1366 x 768 pixels1366 x 768 pixels
TouchscreenKnown for oneUnknown — not stated by the sourceYes
Touch technologyKnown for oneUnknown — not stated by the sourceMulti-touch
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
FSB ParityNoNo
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
Memoryidentical
Internal memory4 GB4 GB
Internal memory typeDDR3L-SDRAMDDR3L-SDRAM
Maximum internal memory8 GB8 GB
Storageidentical
Total storage capacity320 GB320 GB
Storage mediaHDDHDD
Number of HDDs installed11
HDD capacity320 GB320 GB
HDD interfaceSATASATA
HDD size2.5"2.5"
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
Optical driveidentical
LightScribeNoNo
Networkidentical
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 LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
BluetoothNoNo
Ports & interfacesidentical
USB 2.0 ports quantity22
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity11
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
DisplayPorts quantity00
DVI portNoNo
VGA (D-Sub) ports quantity00
Thunderbolt ports quantity00
Headphone outputs11
Microphone inYesYes
Docking connectorNoNo
ExpressCard slotNoNo
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotNoNo
Total number of SATA connectors22
Keyboardidentical
Pointing deviceTouchpadTouchpad
Numeric keypadNoNo
Full-size keyboardYesYes
Softwareidentical
Operating system installedWindows 8.1Windows 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 Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyNoNo
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Rapid Storage TechnologyNoNo
Intel Secure Key Technology version1.001.00
Intel Smart Connect TechnologyYesYes
Intel Smart Connect Technology version1.001.00
Intel Trusted Execution TechnologyNoNo
Intel VT-x with Extended Page Tables (EPT)NoNo
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® Active Management Technology (Intel® AMT)NoNo
Intel® Anti-Theft Technology (Intel® AT)NoNo
Intel® Clear Video HD Technology (Intel® CVT HD)NoNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® High Definition Audio (Intel® HD Audio)NoNo
Intel® Hyper Threading Technology (Intel® HT Technology)NoNo
Intel® Identity Protection Technology (Intel® IPT)NoNo
Intel® InTru™ 3D TechnologyNoNo
Intel® Insider™NoNo
Intel® Matrix Storage Technology (Intel® MST)NoNo
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Quick Sync Video TechnologyYesYes
Intel® Rapid Start TechnologyNoNo
Intel® Secure KeyYesYes
Intel® Small Business Advantage (Intel® SBA)NoNo
Intel® Smart Response TechnologyNoNo
Intel® Turbo Boost TechnologyNoNo
Intel® Virtualization Technology (Intel® VT)VT-xVT-x
Processor ARK IDDiffers8210582103
Processor codeDiffersSR1YWSR1YJ
Processor package size25 x 27 mm25 x 27 mm
Thermal Monitoring TechnologiesNoNo
Conflict-Free processorYesYes
Batteryidentical
Battery technologyLithium-Ion (Li-Ion)Lithium-Ion (Li-Ion)
Number of battery cells44
Battery capacity3315 mAh3315 mAh
Poweridentical
AC adapter power40 W40 W
DC-in jackYesYes
Securityidentical
Cable lock slotNoNo
Weight & dimensions1 differ
WeightDiffers1.32 kg1.39 kg
Width291 mm291 mm
Depth211 mm211 mm
Height21.2 mm21.2 mm
Packaging contentidentical
AC adapter includedYesYes
Power cord includedYesYes
Other featuresidentical
Intel segment taggingEnterprise, Small BusinessEnterprise, Small Business

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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