Product comparison · 2 laptops

Acer Aspire 571-6856 Intel® Core™ i5 i5-3230M Laptop vs Lenovo ThinkPad T440s Intel® Core™ i5 i5-4200U Laptop

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  • 124specifications compared
  • 47differ
  • 77identical
  • 56known for one product only

Key differences

  • Product colour
    • Aspire 571-6856 Intel® Core™ i5 i5-3230M Laptop:Black, Silver
    • ThinkPad T440s Intel® Core™ i5 i5-4200U Laptop:Black
  • Display diagonal
    • Aspire 571-6856 Intel® Core™ i5 i5-3230M Laptop:39.6 cm (15.6")
    • ThinkPad T440s Intel® Core™ i5 i5-4200U Laptop:35.8 cm (14.1")
  • Display resolution
    • Aspire 571-6856 Intel® Core™ i5 i5-3230M Laptop:1366 x 768 pixels
    • ThinkPad T440s Intel® Core™ i5 i5-4200U Laptop:1920 x 1080 pixels
  • HD type
    • Aspire 571-6856 Intel® Core™ i5 i5-3230M Laptop:HD
    • ThinkPad T440s Intel® Core™ i5 i5-4200U Laptop:Full HD
  • Processor generation
    • Aspire 571-6856 Intel® Core™ i5 i5-3230M Laptop:3rd gen Intel® Core™ i5
    • ThinkPad T440s Intel® Core™ i5 i5-4200U Laptop:4th gen Intel® Core™ i5
  • Processor model
    • Aspire 571-6856 Intel® Core™ i5 i5-3230M Laptop:i5-3230M
    • ThinkPad T440s Intel® Core™ i5 i5-4200U Laptop:i5-4200U
  • Processor boost frequency
    • Aspire 571-6856 Intel® Core™ i5 i5-3230M Laptop:3.2 GHz
    • ThinkPad T440s Intel® Core™ i5 i5-4200U Laptop:2.6 GHz
  • Processor frequency
    • Aspire 571-6856 Intel® Core™ i5 i5-3230M Laptop:2.6 GHz
    • ThinkPad T440s Intel® Core™ i5 i5-4200U Laptop:1.6 GHz

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Comparison of 571-6856, T440s
180 specifications
Design1 differ
Product typeLaptopLaptop
Product colourDiffersBlack, SilverBlack
Form factorClamshellClamshell
Display3 differ
Display diagonalDiffers39.6 cm (15.6")35.8 cm (14.1")
Display resolutionDiffers1366 x 768 pixels1920 x 1080 pixels
TouchscreenNoNo
HD typeDiffersHDFull HD
LED backlightYesYes
Native aspect ratio16:916:9
Processor14 differ
Processor manufacturerIntelIntel
Processor familyIntel® Core™ i5Intel® Core™ i5
Processor generationDiffers3rd gen Intel® Core™ i54th gen Intel® Core™ i5
Processor modelDiffersi5-3230Mi5-4200U
Processor cores22
Processor threads44
Processor boost frequencyDiffers3.2 GHz2.6 GHz
Processor frequencyDiffers2.6 GHz1.6 GHz
Processor cache3 MB3 MB
Processor cache typeSmart CacheSmart Cache
Processor socketDiffersBGA 1023BGA 1168
Processor lithography22 nm22 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core i5-3200 Mobile seriesIntel Core i5-4200 Mobile series
Processor codenameDiffersIvy BridgeHaswell
Bus typeDiffersDMIDMI2
FSB ParityNoNo
SteppingDiffersL1C0
Thermal Design Power (TDP)Differs35 W15 W
TjunctionDiffers105 °C100 °C
Maximum number of PCI Express lanesDiffers1612
PCI Express configurationsDiffers1x16, 2x8, 1x8+2x41x4, 2x4
PCI Express slots versionDiffers3.02.0
ECC supported by processorNoNo
System bus rateKnown for one5 GT/sUnknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one26Unknown — not stated by the source
Memory1 differ
Internal memory4 GB4 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Maximum internal memoryDiffers8 GB12 GB
Storage5 differ
Total storage capacityDiffers500 GB524 GB
Storage mediaDiffersHDDHDD+SSD
Number of HDDs installed11
HDD capacity500 GB500 GB
Number of SSDs installedDiffers01
SSD capacityKnown for oneUnknown — not stated by the source24 GB
Optical drive typeDiffersDVD Super Multi DLNo
Card reader integratedYesYes
Compatible memory cardsDiffersMemory Stick (MS), MMC, MS PRO, SDSD
HDD interfaceKnown for oneSATAUnknown — not stated by the source
Graphics4 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 Graphics 4000Intel® HD Graphics 4400
Maximum on-board graphics card memoryKnown for oneUnknown — not stated by the source1.74 GB
On-board graphics card base frequencyDiffers650 MHz200 MHz
On-board graphics card dynamic frequency (max)Differs1100 MHz1000 MHz
On-board graphics card DirectX versionKnown for oneUnknown — not stated by the source12
On-board graphics card IDDiffers0x1660xA16
Audioidentical
Audio systemKnown for oneUnknown — not stated by the sourceHome Theater v4
Built-in microphoneYesYes
Cameraidentical
Front cameraYesYes
Optical driveidentical
LightScribeKnown for oneUnknown — not stated by the sourceNo
Networkidentical
Wi-FiYesYes
Top Wi-Fi standardKnown for oneUnknown — not stated by the sourceWi-Fi 4 (802.11n)
Wi-Fi standards802.11a, 802.11b, 802.11g802.11a, 802.11b, 802.11g
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
BluetoothYesYes
4G WiMAXNoNo
Bluetooth versionKnown for one4.0Unknown — not stated by the source
Data networkKnown for oneNot supportedUnknown — not stated by the source
Integrated 4G WiMAXKnown for oneYesUnknown — not stated by the source
Ports & interfaces2 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers03
eSATA/USB 2.0 ports quantity00
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity00
eSATA ports quantity00
Ethernet LAN (RJ-45) ports11
HDMI ports quantityDiffers10
Mini DisplayPorts quantityKnown for oneUnknown — not stated by the source1
DVI portNoNo
Mini DisplayPort/Thunderbolt combo portKnown for oneUnknown — not stated by the sourceNo
VGA (D-Sub) ports quantity11
Firewire (IEEE 1394) ports00
Thunderbolt ports quantity00
Mini HDMI ports quantityKnown for oneUnknown — not stated by the source0
Micro HDMI ports quantityKnown for oneUnknown — not stated by the source0
LAN/VGA combo portKnown for oneUnknown — not stated by the sourceNo
Mini VGA ports quantityKnown for oneUnknown — not stated by the source0
Headphone outputs11
S/PDIF out portNoNo
Microphone inYesYes
Total number of SATA connectorsKnown for oneUnknown — not stated by the source4
Number of SATA III connectorsKnown for oneUnknown — not stated by the source4
USB Sleep-and-ChargeKnown for oneUnknown — not stated by the sourceYes
USB Sleep-and-Charge portsKnown for oneUnknown — not stated by the source1
USB 2.0 ports quantityKnown for one3Unknown — not stated by the source
DisplayPorts quantityKnown for one0Unknown — not stated by the source
Docking connectorKnown for oneNoUnknown — not stated by the source
ExpressCard slotKnown for oneNoUnknown — not stated by the source
CardBus PCMCIA slots quantityKnown for one0Unknown — not stated by the source
CardBus PCMCIA slot typeKnown for oneNoUnknown — not stated by the source
SmartCard slotKnown for oneNoUnknown — not stated by the source
Keyboard1 differ
Pointing deviceTouchpadTouchpad
Numeric keypadDiffersYesNo
Spill-resistant keyboardKnown for oneUnknown — not stated by the sourceYes
Full-size keyboardKnown for oneUnknown — not stated by the sourceYes
Windows keysKnown for oneYesUnknown — not stated by the source
Software1 differ
Operating system installedDiffersWindows 7 Home PremiumWindows 8 Pro
Operating system architectureKnown for one64-bitUnknown — not stated by the source
Processor special features9 differ
Intel® Wireless Display (Intel® WiDi)YesYes
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyDiffersYesNo
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyDiffersYesNo
Intel Fast Memory AccessDiffersYesNo
Intel Flex Memory AccessDiffersYesNo
Intel Identity Protection Technology version1.001.00
Intel ME Firmware VersionKnown for oneUnknown — not stated by the source9.5
Intel Rapid Storage TechnologyDiffersNoYes
Intel Secure Key Technology version1.001.00
Intel Smart Connect TechnologyKnown for oneUnknown — not stated by the sourceYes
Intel Smart Connect Technology versionKnown for oneUnknown — not stated by the source1.00
Intel TSX-NIKnown for oneUnknown — not stated by the sourceNo
Intel TSX-NI versionKnown for oneUnknown — not stated by the source0.00
Intel Trusted Execution TechnologyNoNo
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)NoNo
Intel® AES New Instructions (Intel® AES-NI)YesYes
Intel® Anti-Theft Technology (Intel® AT)YesYes
Intel® Clear Video HD Technology (Intel® CVT HD)YesYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® High Definition Audio (Intel® HD Audio)Known for oneUnknown — not stated by the sourceYes
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Identity Protection Technology (Intel® IPT)YesYes
Intel® InTru™ 3D TechnologyYesYes
Intel® Insider™YesYes
Intel® Matrix Storage Technology (Intel® MST)Known for oneUnknown — not stated by the sourceNo
Intel® My WiFi Technology (Intel® MWT)YesYes
Intel® Quick Sync Video TechnologyYesYes
Intel® Secure KeyYesYes
Intel® Turbo Boost Technology2.02.0
Processor ARK IDDiffers7205675459
Processor codeDiffersSR0WXSR170
Processor package sizeDiffers31 x 24 (BGA1023)40 x 24 x 1.5 mm
Supported instruction setsDiffersAVXAVX 2.0
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorYesYes
Graphics & IMC lithographyKnown for one22 nmUnknown — not stated by the source
Intel® Smart CacheKnown for oneYesUnknown — not stated by the source
Battery1 differ
Battery technologyDiffersLithium-Ion (Li-Ion)Lithium Polymer (LiPo)
Number of battery cellsKnown for one6Unknown — not stated by the source
Battery capacityKnown for one4400 mAhUnknown — not stated by the source
Battery life (max)Known for one4 hUnknown — not stated by the source
Poweridentical
AC adapter frequencyKnown for oneUnknown — not stated by the source50 - 60 Hz
AC adapter input voltageKnown for oneUnknown — not stated by the source100 - 240 V
DC-in jackYesYes
AC adapter powerKnown for one65 WUnknown — not stated by the source
Security1 differ
Cable lock slotNoNo
Fingerprint readerDiffersNoYes
Weight & dimensions4 differ
WeightDiffers2.5 kg1.59 kg
WidthDiffers381.6 mm331 mm
DepthDiffers253 mm226 mm
HeightDiffers33.2 mm20.4 mm
Height (front)Known for one2.54 cmUnknown — not stated by the source
Height (rear)Known for one3.32 cmUnknown — not stated by the source
Packaging contentidentical
AC adapter includedYesYes
Cables includedKnown for oneACUnknown — not stated by the source
Other featuresidentical
TV tuner integratedKnown for oneUnknown — not stated by the sourceNo
Intel segment taggingKnown for oneUnknown — not stated by the sourceHome office, Small Business
3DKnown for oneNoUnknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for oneIntel HM77 ExpressUnknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STARUnknown — 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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