Product comparison · 2 laptops

Acer P645-S-59TX+Pack Gold 15 vs Lenovo U31 Intel® Core™ i3 i3-5005U Laptop

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  • 131specifications compared
  • 38differ
  • 93identical
  • 37known for one product only

Key differences

  • Product colour
    • P645-S-59TX+Pack Gold 15:Black
    • U31 Intel® Core™ i3 i3-5005U Laptop:Black, Red
  • Display diagonal
    • P645-S-59TX+Pack Gold 15:35.6 cm (14")
    • U31 Intel® Core™ i3 i3-5005U Laptop:33.8 cm (13.3")
  • Display resolution
    • P645-S-59TX+Pack Gold 15:1366 x 768 pixels
    • U31 Intel® Core™ i3 i3-5005U Laptop:1920 x 1080 pixels
  • HD type
    • P645-S-59TX+Pack Gold 15:HD
    • U31 Intel® Core™ i3 i3-5005U Laptop:Full HD
  • Processor family
    • P645-S-59TX+Pack Gold 15:Intel® Core™ i5
    • U31 Intel® Core™ i3 i3-5005U Laptop:Intel® Core™ i3
  • Processor generation
    • P645-S-59TX+Pack Gold 15:5th gen Intel® Core™ i5
    • U31 Intel® Core™ i3 i3-5005U Laptop:5th gen Intel® Core™ i3
  • Processor model
    • P645-S-59TX+Pack Gold 15:i5-5300U
    • U31 Intel® Core™ i3 i3-5005U Laptop:i3-5005U
  • Processor frequency
    • P645-S-59TX+Pack Gold 15:2.3 GHz
    • U31 Intel® Core™ i3 i3-5005U Laptop:2 GHz

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Comparison of P645-S-59TX+Pack Gold 15, U31
168 specifications
Design1 differ
Product typeLaptopLaptop
Product colourDiffersBlackBlack, Red
Form factorClamshellClamshell
Display3 differ
Display diagonalDiffers35.6 cm (14")33.8 cm (13.3")
Display resolutionDiffers1366 x 768 pixels1920 x 1080 pixels
TouchscreenNoNo
HD typeDiffersHDFull HD
LED backlightYesYes
Native aspect ratio16:916:9
Panel typeKnown for oneUnknown — not stated by the sourceIPS
Contrast ratio (typical)Known for oneUnknown — not stated by the source700:1
Processor8 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™ i5Intel® Core™ i3
Processor generationDiffers5th gen Intel® Core™ i55th gen Intel® Core™ i3
Processor modelDiffersi5-5300Ui3-5005U
Processor cores22
Processor threads44
Processor boost frequencyKnown for one2.9 GHzUnknown — not stated by the source
Processor frequencyDiffers2.3 GHz2 GHz
System bus rate5 GT/s5 GT/s
Processor cache3 MB3 MB
Processor cache typeDiffersL3Smart Cache
Processor socketBGA 1168BGA 1168
Processor lithography14 nm14 nm
Processor operating modes32-bit, 64-bit32-bit, 64-bit
Processor seriesDiffersIntel® Core™ i5-5300 Mobile SeriesIntel Core i3-5000 Mobile series
Processor codenameBroadwellBroadwell
Bus typeDMI2DMI2
FSB ParityKnown for oneNoUnknown — not stated by the source
SteppingF0F0
Thermal Design Power (TDP)15 W15 W
Configurable TDP-downDiffers7.5 W10 W
Configurable TDP-down frequency0.6 GHz0.6 GHz
Tjunction105 °C105 °C
Maximum number of PCI Express lanes1212
PCI Express configurationsDiffers4x1, 2x42x4, 4x1
PCI Express slots version2.02.0
ECC supported by processorKnown for oneNoUnknown — not stated by the source
Memory2 differ
Internal memoryDiffers4 GB8 GB
Internal memory typeDDR3L-SDRAMDDR3L-SDRAM
Memory clock speed1600 MHz1600 MHz
Memory layout (slots x size)Known for one1 x 4 GBUnknown — not stated by the source
Memory slots1x SO-DIMM1x SO-DIMM
Maximum internal memoryDiffers12 GB8 GB
Memory form factorKnown for oneUnknown — not stated by the sourceSO-DIMM
Storage2 differ
Total storage capacity500 GB500 GB
Storage mediaDiffersHybrid-HDDHDD
Number of HDDs installed11
Hybrid-HDD cache typeKnown for oneFlashUnknown — not stated by the source
Hybrid-HDD capacityKnown for one500 GBUnknown — not stated by the source
Hybrid-HDD cache memoryKnown for one8 GBUnknown — not stated by the source
Optical drive typeNoNo
Card reader integratedYesYes
Compatible memory cardsDiffersSDMMC, SD, SDHC, SDXC
HDD capacityKnown for oneUnknown — not stated by the source500 GB
HDD interfaceKnown for oneUnknown — not stated by the sourceSATA III
HDD speedKnown for oneUnknown — not stated by the source5400 RPM
HDD sizeKnown for oneUnknown — not stated by the source2.5"
Graphics1 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 Graphics 5500Intel® HD Graphics 5500
Maximum on-board graphics card memory16 GB16 GB
On-board graphics card base frequency300 MHz300 MHz
On-board graphics card dynamic frequency (max)Differs900 MHz850 MHz
On-board graphics card DirectX version11.211.2
On-board graphics card OpenGL versionKnown for one4.3Unknown — not stated by the source
On-board graphics card ID0x16160x1616
Graphics card Open GL supportKnown for oneYesUnknown — not stated by the source
Audioidentical
Built-in microphoneYesYes
Number of built-in speakersKnown for oneUnknown — not stated by the source2
Speaker powerKnown for oneUnknown — not stated by the source1.5 W
Cameraidentical
Front cameraYesYes
Front camera signal formatKnown for oneUnknown — not stated by the source720p
Networkidentical
Wi-FiYesYes
Wi-Fi standardsWi-Fi 5 (802.11ac)Wi-Fi 5 (802.11ac)
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
BluetoothYesYes
Bluetooth versionKnown for oneUnknown — not stated by the source4.0
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers01
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers32
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
DisplayPorts quantity00
DVI portNoNo
VGA (D-Sub) ports quantityDiffers10
Thunderbolt ports quantity00
Combo headphone/mic portYesYes
Docking connectorNoNo
Keyboardidentical
Pointing deviceTouchpadTouchpad
Numeric keypadNoNo
Windows keysYesYes
Keyboard backlitKnown for oneUnknown — not stated by the sourceYes
Software1 differ
Operating system installedDiffersWindows 7 ProfessionalWindows 10 Home
Operating system architecture64-bit64-bit
Processor special features10 differ
Intel® Wireless Display (Intel® WiDi)YesYes
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithography14 nm14 nm
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyYesYes
Intel Demand Based SwitchingKnown for oneNoUnknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for oneNoUnknown — not stated by the source
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyYesYes
Intel Fast Memory AccessYesYes
Intel Flex Memory AccessYesYes
Intel HD GraphicsKnown for oneYesUnknown — not stated by the source
Intel Identity Protection Technology version1.001.00
Intel Rapid Storage TechnologyKnown for oneNoUnknown — not stated by the source
Intel Secure Key Technology version1.001.00
Intel Small Business Advantage (SBA) version1.001.00
Intel Smart Response Technology version1.001.00
Intel Stable Image Platform Program (SIPP)DiffersYesNo
Intel Stable Image Platform Program (SIPP) versionDiffers1.000.00
Intel TSX-NIDiffersYesNo
Intel TSX-NI versionDiffers1.000.00
Intel Trusted Execution TechnologyDiffersYesNo
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)YesYes
Intel® AES New Instructions (Intel® AES-NI)YesYes
Intel® Anti-Theft Technology (Intel® AT)Known for oneNoUnknown — not stated by the source
Intel® Built-in Visuals TechnologyKnown for oneYesUnknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)YesYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)YesYes
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Identity Protection Technology (Intel® IPT)YesYes
Intel® InTru™ 3D TechnologyYesYes
Intel® Insider™YesYes
Intel® My WiFi Technology (Intel® MWT)Known for oneNoUnknown — not stated by the source
Intel® OS GuardYesYes
Intel® Quick Sync Video TechnologyYesYes
Intel® Secure KeyYesYes
Intel® Small Business Advantage (Intel® SBA)YesYes
Intel® Smart CacheYesYes
Intel® Smart Response TechnologyYesYes
Intel® Turbo Boost TechnologyDiffers2.0No
Processor ARK IDDiffers8521384695
Processor codeDiffersSR23XSR27G
Processor package sizeDiffers40 x 24 x 1.3 mm40 x 24x 1.3 mm
Supported instruction setsDiffersAVX 2.0AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorYesYes
Battery2 differ
Battery technologyLithium Polymer (LiPo)Lithium Polymer (LiPo)
Number of battery cellsDiffers32
Battery life (max)Differs8 h7 h
Battery capacityKnown for oneUnknown — not stated by the source35 Wh
Power1 differ
AC adapter powerDiffers65 W45 W
DC-in jackYesYes
Weight & dimensions4 differ
WeightDiffers1.5 kg1.56 kg
WidthDiffers328.7 mm323 mm
DepthDiffers235.5 mm230 mm
HeightDiffers20.8 mm19.3 mm
Packaging contentidentical
AC adapter includedYesYes
Cables includedKnown for oneACUnknown — not stated by the source
ManualKnown for oneUnknown — not stated by the sourceYes
Power cord includedKnown for oneUnknown — not stated by the sourceYes
Other featuresidentical
3DKnown for oneNoUnknown — not stated by the source
Intel segment taggingKnown for oneEnterprise, IndustrialUnknown — not stated by the source
Optical driveidentical
LightScribeKnown for oneUnknown — not stated by the sourceNo
Certificatesidentical
Compliance certificatesKnown for oneUnknown — not stated by the sourceRoHS
Sustainabilityidentical
Sustainability certificatesKnown for oneUnknown — not stated by the sourceEPEAT Silver, ENERGY STAR

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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