Product comparison · 2 laptops

Acer Chromebook 11 CB3-131-C2EW Intel® Celeron® N2840 vs Acer Chromebook 11 CB3-131-C7NJ Intel® Celeron® N2940

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  • 123specifications compared
  • 11differ
  • 112identical
  • 0known for one product only

Key differences

  • Processor model
    • Chromebook 11 CB3-131-C2EW Intel® Celeron® N2840:N2840
    • Chromebook 11 CB3-131-C7NJ Intel® Celeron® N2940:N2940
  • Processor cores
    • Chromebook 11 CB3-131-C2EW Intel® Celeron® N2840:2
    • Chromebook 11 CB3-131-C7NJ Intel® Celeron® N2940:4
  • Processor threads
    • Chromebook 11 CB3-131-C2EW Intel® Celeron® N2840:2
    • Chromebook 11 CB3-131-C7NJ Intel® Celeron® N2940:4
  • Processor boost frequency
    • Chromebook 11 CB3-131-C2EW Intel® Celeron® N2840:2.58 GHz
    • Chromebook 11 CB3-131-C7NJ Intel® Celeron® N2940:2.25 GHz
  • Processor frequency
    • Chromebook 11 CB3-131-C2EW Intel® Celeron® N2840:2.16 GHz
    • Chromebook 11 CB3-131-C7NJ Intel® Celeron® N2940:1.83 GHz
  • Processor cache
    • Chromebook 11 CB3-131-C2EW Intel® Celeron® N2840:1 MB
    • Chromebook 11 CB3-131-C7NJ Intel® Celeron® N2940:2 MB
  • On-board graphics card base frequency
    • Chromebook 11 CB3-131-C2EW Intel® Celeron® N2840:311 MHz
    • Chromebook 11 CB3-131-C7NJ Intel® Celeron® N2940:313 MHz
  • On-board graphics card burst frequency
    • Chromebook 11 CB3-131-C2EW Intel® Celeron® N2840:792 MHz
    • Chromebook 11 CB3-131-C7NJ Intel® Celeron® N2940:854 MHz

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Comparison of CB3-131-C2EW, CB3-131-C7NJ
123 specifications
Designidentical
Product typeChromebookChromebook
Product colourWhiteWhite
Form factorClamshellClamshell
Displayidentical
Display diagonal29.5 cm (11.6")29.5 cm (11.6")
Display resolution1366 x 768 pixels1366 x 768 pixels
TouchscreenNoNo
Panel typeIPSIPS
LED backlightYesYes
Native aspect ratio16:916:9
Processor6 differ
Processor manufacturerIntelIntel
Processor familyIntel® Celeron®Intel® Celeron®
Processor modelDiffersN2840N2940
Processor coresDiffers24
Processor threadsDiffers24
Processor boost frequencyDiffers2.58 GHz2.25 GHz
Processor frequencyDiffers2.16 GHz1.83 GHz
Processor cacheDiffers1 MB2 MB
Processor cache typeL2L2
Processor socketBGA 1170BGA 1170
Processor lithography22 nm22 nm
Processor operating modes32-bit, 64-bit32-bit, 64-bit
Processor seriesIntel Celeron Processor N2000 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
Storageidentical
Total storage capacity16 GB16 GB
Storage mediaFlashFlash
Flash memory16 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 frequencyDiffers311 MHz313 MHz
On-board graphics card burst frequencyDiffers792 MHz854 MHz
On-board graphics card dynamic frequency (max)Differs792 MHz854 MHz
Audioidentical
Built-in microphoneYesYes
Cameraidentical
Front cameraYesYes
Networkidentical
Wi-FiYesYes
Top Wi-Fi standardWi-Fi 5 (802.11ac)Wi-Fi 5 (802.11ac)
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 LANNoNo
BluetoothYesYes
Ports & interfacesidentical
USB 2.0 ports quantity11
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity11
Ethernet LAN (RJ-45) ports00
HDMI ports quantity11
DisplayPorts quantity00
DVI portNoNo
VGA (D-Sub) ports quantity00
Thunderbolt ports quantity00
Headphone outputs11
Microphone inYesYes
Docking connectorNoNo
Total number of SATA connectors22
Keyboardidentical
Pointing deviceTouchpadTouchpad
Numeric keypadNoNo
Full-size keyboardYesYes
Softwareidentical
Operating system installedChromeOSChromeOS
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® 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® Hyper Threading Technology (Intel® HT Technology)NoNo
Intel® InTru™ 3D TechnologyNoNo
Intel® Insider™NoNo
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Quick Sync Video TechnologyYesYes
Intel® Secure KeyYesYes
Intel® Turbo Boost TechnologyNoNo
Processor ARK IDDiffers8210382104
Processor codeDiffersSR1YJSR1YV
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 cells33
Battery capacity3490 mAh3490 mAh
Poweridentical
AC adapter power45 W45 W
DC-in jackYesYes
Weight & dimensionsidentical
Weight1.1 kg1.1 kg
Width294 mm294 mm
Depth204 mm204 mm
Height18.6 mm18.6 mm
Packaging contentidentical
AC adapter includedYesYes
Cables includedACAC
Power cord includedYesYes
Other featuresidentical
Intel segment taggingEducationEducation

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