Product comparison · 2 laptops

Acer TravelMate P455-M vs Acer TravelMate P645-MG

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  • 137specifications compared
  • 36differ
  • 101identical
  • 27known for one product only

Key differences

  • Display diagonal
    • TravelMate P455-M:39.6 cm (15.6")
    • TravelMate P645-MG:35.6 cm (14")
  • Processor family
    • TravelMate P455-M:Intel® Core™ i3
    • TravelMate P645-MG:Intel® Core™ i7
  • Processor generation
    • TravelMate P455-M:4th gen Intel® Core™ i3
    • TravelMate P645-MG:4th gen Intel® Core™ i7
  • Processor model
    • TravelMate P455-M:i3-4005U
    • TravelMate P645-MG:i7-4510U
  • Processor frequency
    • TravelMate P455-M:1.7 GHz
    • TravelMate P645-MG:2 GHz
  • Processor cache
    • TravelMate P455-M:3 MB
    • TravelMate P645-MG:4 MB
  • Bus type
    • TravelMate P455-M:DMI
    • TravelMate P645-MG:DMI2
  • Maximum number of PCI Express lanes
    • TravelMate P455-M:10
    • TravelMate P645-MG:12

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Comparison of TravelMate P455-M, TravelMate P645-MG
164 specifications
Designidentical
Product typeLaptopLaptop
Product colourBlackBlack
Form factorClamshellClamshell
Display1 differ
Display diagonalDiffers39.6 cm (15.6")35.6 cm (14")
Display resolution1366 x 768 pixels1366 x 768 pixels
TouchscreenNoNo
HD typeHDHD
Panel typeTFT-LCDTFT-LCD
LED backlightYesYes
Native aspect ratio16:916:9
Processor9 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™ i3Intel® Core™ i7
Processor generationDiffers4th gen Intel® Core™ i34th gen Intel® Core™ i7
Processor modelDiffersi3-4005Ui7-4510U
Processor cores22
Processor threads44
Processor boost frequencyKnown for oneUnknown — not stated by the source3.1 GHz
Processor frequencyDiffers1.7 GHz2 GHz
System bus rate5 GT/s5 GT/s
Processor cacheDiffers3 MB4 MB
Processor cache typeSmart CacheSmart Cache
Processor socketBGA 1168BGA 1168
Processor lithography22 nm22 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel® Core™ i3-4000 Mobile SeriesIntel Core i7-4500 Mobile series
Processor codenameHaswellHaswell
Bus typeDiffersDMIDMI2
FSB ParityNoNo
SteppingKnown for oneUnknown — not stated by the sourceD0
Thermal Design Power (TDP)15 W15 W
Tjunction100 °C100 °C
Maximum number of PCI Express lanesDiffers1012
PCI Express configurationsDiffers4x1, 1x44x1, 2x4
PCI Express slots version2.02.0
ECC supported by processorNoNo
Memory4 differ
Internal memoryDiffers4 GB8 GB
Internal memory typeDiffersDDR3L-SDRAMDDR3-SDRAM
Memory layout (slots x size)Differs1 x 4 GB2 x 4 GB
Maximum internal memoryDiffers8 GB12 GB
Memory form factorKnown for oneSO-DIMMUnknown — not stated by the source
Memory slotsKnown for one1x SO-DIMMUnknown — not stated by the source
Storage4 differ
Total storage capacityDiffers500 GB256 GB
Storage mediaDiffersHDDSSD
Number of HDDs installedDiffers10
Number of SSDs installedKnown for oneUnknown — not stated by the source1
SSD capacityKnown for oneUnknown — not stated by the source256 GB
Optical drive typeDiffersDVD Super MultiNo
Card reader integratedYesYes
Compatible memory cardsSDSD
HDD capacityKnown for one500 GBUnknown — not stated by the source
Graphics3 differ
On-board graphics cardYesYes
Discrete graphics cardKnown for oneUnknown — not stated by the sourceYes
Discrete graphics card modelKnown for oneUnknown — not stated by the sourceAMD Radeon HD 8750M
Discrete graphics card memoryKnown for oneUnknown — not stated by the source2 GB
Discrete graphics memory typeKnown for oneUnknown — not stated by the sourceGDDR3
On-board graphics card familyIntel® HD GraphicsIntel® HD Graphics
On-board graphics card modelIntel® HD Graphics 4400Intel® HD Graphics 4400
Maximum on-board graphics card memoryDiffers2 GB1.74 GB
On-board graphics card base frequency200 MHz200 MHz
On-board graphics card dynamic frequency (max)Differs950 MHz1100 MHz
On-board graphics card DirectX versionDiffers1211.2/12
On-board graphics card OpenGL versionKnown for oneUnknown — not stated by the source4.3
On-board graphics card ID0xA160xA16
Audioidentical
Built-in microphoneYesYes
Cameraidentical
Front cameraYesYes
Optical driveidentical
LightScribeKnown for oneUnknown — not stated by the sourceNo
Networkidentical
Mobile network connectionKnown for oneUnknown — not stated by the sourceYes
Mobile network generationKnown for oneUnknown — not stated by the source3G
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
Ports & interfaces2 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers13
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
DisplayPorts quantity00
DVI portNoNo
VGA (D-Sub) ports quantity11
Thunderbolt ports quantity00
S/PDIF out portNoNo
Docking connectorNoNo
ExpressCard slotNoNo
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotNoNo
Number of SATA III connectorsDiffers24
USB 2.0 ports quantityKnown for one2Unknown — not stated by the source
Total number of SATA connectorsKnown for one2Unknown — not stated by the source
Keyboard1 differ
Pointing deviceTouchpadTouchpad
Numeric keypadDiffersYesNo
Softwareidentical
Operating system installedWindows 7 ProfessionalWindows 7 Professional
Operating system architecture64-bit64-bit
Processor special features3 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 TechnologyNoNo
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyDiffersNoYes
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Identity Protection Technology version1.001.00
Intel ME Firmware Version9.59.5
Intel Rapid Storage TechnologyYesYes
Intel Secure Key Technology version1.001.00
Intel Smart Connect TechnologyYesYes
Intel Smart Connect Technology version1.001.00
Intel TSX-NINoNo
Intel TSX-NI version0.000.00
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)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)NoNo
Intel® Quick Sync Video TechnologyYesYes
Intel® Secure KeyYesYes
Intel® Smart CacheYesYes
Intel® Turbo Boost TechnologyDiffersNo2.0
Intel® Virtualization Technology (Intel® VT)VT-xVT-x
Processor ARK IDDiffers7510581015
Processor codeKnown for oneUnknown — not stated by the sourceSR1EB
Processor package size40 x 24 x 1.5 mm40 x 24 x 1.5 mm
Supported instruction setsAVX 2.0, SSE4.1, SSE4.2AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorYesYes
Intel Small Business Advantage (SBA) versionKnown for one0.00Unknown — not stated by the source
Intel Smart Response Technology versionKnown for one0.00Unknown — not stated by the source
Intel® Matrix Storage Technology (Intel® MST)Known for oneNoUnknown — not stated by the source
Intel® Small Business Advantage (Intel® SBA)Known for oneNoUnknown — not stated by the source
Intel® Smart Response TechnologyKnown for oneNoUnknown — not stated by the source
UARTKnown for oneYesUnknown — not stated by the source
Battery4 differ
Battery technologyDiffersLithium-Ion (Li-Ion)Lithium Polymer (LiPo)
Number of battery cellsDiffers43
Battery capacityDiffers2500 mAh4850 mAh
Battery life (max)Differs3.50 h8 h
Poweridentical
AC adapter power65 W65 W
DC-in jackYesYes
Securityidentical
Cable lock slotNoNo
Fingerprint readerYesYes
Weight & dimensions4 differ
WeightDiffers2.4 kg1.5 kg
WidthDiffers381.6 mm328.7 mm
DepthDiffers256 mm235.5 mm
HeightDiffers25.4 mm20.8 mm
Height (front)Known for one1.27 cmUnknown — not stated by the source
Height (rear)Known for one2.54 cmUnknown — not stated by the source
Other features1 differ
3DNoNo
Intel segment taggingDiffersEnterprise, Small BusinessEnterprise, Industrial
Supplied AC adapter typeACAC

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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