Product comparison · 2 laptops

Acer TravelMate B B115-M-C1DU Intel® Celeron® N2840 Laptop vs Acer Aspire E E5-571-71ME Intel® Core™ i7 i7-4510U Laptop

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  • 125specifications compared
  • 47differ
  • 78identical
  • 41known for one product only

Key differences

  • Display diagonal
    • TravelMate B B115-M-C1DU Intel® Celeron® N2840 Laptop:29.5 cm (11.6")
    • Aspire E E5-571-71ME Intel® Core™ i7 i7-4510U Laptop:39.6 cm (15.6")
  • Processor family
    • TravelMate B B115-M-C1DU Intel® Celeron® N2840 Laptop:Intel® Celeron®
    • Aspire E E5-571-71ME Intel® Core™ i7 i7-4510U Laptop:Intel® Core™ i7
  • Processor model
    • TravelMate B B115-M-C1DU Intel® Celeron® N2840 Laptop:N2840
    • Aspire E E5-571-71ME Intel® Core™ i7 i7-4510U Laptop:i7-4510U
  • Processor threads
    • TravelMate B B115-M-C1DU Intel® Celeron® N2840 Laptop:2
    • Aspire E E5-571-71ME Intel® Core™ i7 i7-4510U Laptop:4
  • Processor boost frequency
    • TravelMate B B115-M-C1DU Intel® Celeron® N2840 Laptop:2.58 GHz
    • Aspire E E5-571-71ME Intel® Core™ i7 i7-4510U Laptop:3.1 GHz
  • Processor frequency
    • TravelMate B B115-M-C1DU Intel® Celeron® N2840 Laptop:2.16 GHz
    • Aspire E E5-571-71ME Intel® Core™ i7 i7-4510U Laptop:2 GHz
  • Processor cache
    • TravelMate B B115-M-C1DU Intel® Celeron® N2840 Laptop:1 MB
    • Aspire E E5-571-71ME Intel® Core™ i7 i7-4510U Laptop:4 MB
  • Processor cache type
    • TravelMate B B115-M-C1DU Intel® Celeron® N2840 Laptop:L2
    • Aspire E E5-571-71ME Intel® Core™ i7 i7-4510U Laptop:Smart Cache

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Differences highlightedShow differences only (off)
Comparison of B115-M-C1DU, E5-571-71ME
166 specifications
Designidentical
Product typeLaptopLaptop
Product colourBlackBlack
Form factorClamshellClamshell
Display1 differ
Display diagonalDiffers29.5 cm (11.6")39.6 cm (15.6")
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
Processor15 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Celeron®Intel® Core™ i7
Processor modelDiffersN2840i7-4510U
Processor cores22
Processor threadsDiffers24
Processor boost frequencyDiffers2.58 GHz3.1 GHz
Processor frequencyDiffers2.16 GHz2 GHz
Processor cacheDiffers1 MB4 MB
Processor cache typeDiffersL2Smart Cache
Processor socketDiffersBGA 1170BGA 1168
Processor lithography22 nm22 nm
Processor operating modesDiffers32-bit, 64-bit64-bit
Processor seriesDiffersIntel Celeron Processor N2000 Series for MobileIntel Core i7-4500 Mobile series
Processor codenameDiffersBay TrailHaswell
FSB ParityNoNo
SteppingDiffersC0D0
Thermal Design Power (TDP)Differs7.5 W15 W
Scenario Design Power (SDP)Known for one4.5 WUnknown — not stated by the source
Tjunction100 °C100 °C
Maximum number of PCI Express lanesDiffers412
PCI Express configurationsDiffers1x44x1, 2x4
PCI Express slots version2.02.0
ECC supported by processorNoNo
Processor generationKnown for oneUnknown — not stated by the source4th gen Intel® Core™ i7
System bus rateKnown for oneUnknown — not stated by the source5 GT/s
Bus typeKnown for oneUnknown — not stated by the sourceDMI2
Memory2 differ
Internal memoryDiffers4 GB6 GB
Internal memory typeDDR3L-SDRAMDDR3L-SDRAM
Maximum internal memoryDiffers8 GB16 GB
Memory form factorKnown for oneUnknown — not stated by the sourceSO-DIMM
Memory slotsKnown for oneUnknown — not stated by the source2x SO-DIMM
Storageidentical
Total storage capacity500 GB500 GB
Storage mediaHDDHDD
Number of HDDs installed11
HDD capacity500 GB500 GB
HDD interfaceKnown for oneSATAUnknown — not stated by the source
Number of SSDs installedKnown for one0Unknown — not stated by the source
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 modelDiffersIntel® HD GraphicsIntel® HD Graphics 4400
On-board graphics card base frequencyDiffers311 MHz200 MHz
On-board graphics card burst frequencyKnown for one792 MHzUnknown — not stated by the source
On-board graphics card dynamic frequency (max)Differs792 MHz1100 MHz
Maximum on-board graphics card memoryKnown for oneUnknown — not stated by the source1.74 GB
On-board graphics card DirectX versionKnown for oneUnknown — not stated by the source11.2/12
On-board graphics card OpenGL versionKnown for oneUnknown — not stated by the source4.3
On-board graphics card IDKnown for oneUnknown — not stated by the source0xA16
Audioidentical
Built-in microphoneYesYes
Cameraidentical
Front cameraYesYes
Optical driveidentical
LightScribeNoNo
Network1 differ
Wi-FiYesYes
Wi-Fi standardsDiffers802.11a, 802.11b, 802.11g802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
BluetoothYesYes
Bluetooth version4.04.0
Top Wi-Fi standardKnown for oneUnknown — not stated by the sourceWi-Fi 4 (802.11n)
Ports & interfaces1 differ
USB 2.0 ports quantityKnown for one2Unknown — not stated by the source
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one1Unknown — not stated by the source
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
DisplayPorts quantity00
DVI portNoNo
VGA (D-Sub) ports quantityDiffers01
Thunderbolt ports quantity00
Headphone outputsKnown for one0Unknown — not stated by the source
S/PDIF out portNoNo
Combo headphone/mic portKnown for oneYesUnknown — not stated by the source
Microphone inKnown for oneNoUnknown — not stated by the source
Docking connectorNoNo
ExpressCard slotNoNo
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotNoNo
Total number of SATA connectorsKnown for one2Unknown — not stated by the source
Number of SATA III connectorsKnown for oneUnknown — not stated by the source4
Keyboard1 differ
Pointing deviceTouchpadTouchpad
Numeric keypadDiffersNoYes
Windows keysYesYes
Software1 differ
Operating system installedDiffersWindows 7 ProfessionalWindows 7 Home Premium
Operating system architecture64-bit64-bit
Recovery operating systemKnown for oneWindows 8.1 ProUnknown — not stated by the source
Processor special features14 differ
Intel® Wireless Display (Intel® WiDi)YesYes
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithographyKnown for one22 nmUnknown — not stated by the source
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyDiffersNoYes
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Rapid Storage TechnologyDiffersNoYes
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)DiffersNoYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)NoNo
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Anti-Theft Technology (Intel® AT)DiffersNoYes
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersNoYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® InTru™ 3D TechnologyDiffersNoYes
Intel® Insider™DiffersNoYes
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Quick Sync Video TechnologyYesYes
Intel® Secure KeyYesYes
Intel® Turbo Boost TechnologyDiffersNo2.0
Intel® Virtualization Technology (Intel® VT)VT-xVT-x
Processor ARK IDDiffers8210381015
Processor codeDiffersSR1YJSR1EB
Processor package sizeDiffers25 x 27 mm40 x 24 x 1.5 mm
Thermal Monitoring TechnologiesDiffersNoYes
Conflict-Free processorYesYes
Intel Identity Protection Technology versionKnown for oneUnknown — not stated by the source1.00
Intel ME Firmware VersionKnown for oneUnknown — not stated by the source9.5
Intel TSX-NIKnown for oneUnknown — not stated by the sourceNo
Intel TSX-NI versionKnown for oneUnknown — not stated by the source0.00
Intel® High Definition Audio (Intel® HD Audio)Known for oneUnknown — not stated by the sourceYes
Intel® Identity Protection Technology (Intel® IPT)Known for oneUnknown — not stated by the sourceYes
Intel® Rapid Start TechnologyKnown for oneUnknown — not stated by the sourceYes
Intel® Smart CacheKnown for oneUnknown — not stated by the sourceYes
Supported instruction setsKnown for oneUnknown — not stated by the sourceAVX 2.0, SSE4.1, SSE4.2
Battery2 differ
Battery technologyLithium-Ion (Li-Ion)Lithium-Ion (Li-Ion)
Number of battery cellsDiffers46
Battery capacityDiffers3220 mAh5000 mAh
Battery life (max)7 h7 h
Poweridentical
AC adapter power40 W40 W
DC-in jackYesYes
Security1 differ
Cable lock slotDiffersYesNo
Cable lock slot typeKnown for oneKensingtonUnknown — not stated by the source
Fingerprint readerKnown for oneNoUnknown — not stated by the source
Password protectionKnown for oneYesUnknown — not stated by the source
Password protection typeKnown for oneBIOS, HDD, Supervisor, UserUnknown — not stated by the source
Weight & dimensions5 differ
WeightDiffers1.32 kg2.5 kg
WidthDiffers291 mm381 mm
DepthDiffers211 mm256 mm
HeightKnown for one21.2 mmUnknown — not stated by the source
Height (front)Differs2.12 cm2.54 cm
Height (rear)Differs2.12 cm3.02 cm
Packaging contentidentical
AC adapter includedYesYes
Cables includedKnown for oneACUnknown — not stated by the source
Other featuresidentical
3DKnown for oneNoUnknown — not stated by the source
Intel segment taggingKnown for oneEnterprise, Small BusinessUnknown — not stated by the source

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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