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Product comparison · 2 laptops

Acer Aspire 5745G Intel® Core™ i5 i5-450M 39.6 cm (15.6") 4 GB DDR3-SDRAM 640 GB Intel HD Windows 7 Home Premium vs Lenovo ThinkPad NT9KDMD+45N6679 laptop Intel® Core™ i7 i7-620M

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  • 110specifications compared
  • 34differ
  • 76identical
  • 32known for one product only

Key differences

  • Display diagonal
    • 39.6 cm (15.6")
    • 35.8 cm (14.1")
  • Processor family
    • Intel® Core™ i5
    • Intel® Core™ i7
  • Processor generation
    • 4th gen Intel® Core™ i5
    • Intel® Core™ i7
  • Processor model
    • i5-450M
    • i7-620M
  • Processor boost frequency
    • 2.66 GHz
    • 3.33 GHz
  • Processor frequency
    • 2.4 GHz
    • 2.66 GHz
  • System bus rate
    • 4.8 GT/s
    • 2.5 GT/s
  • Processor cache
    • 3 MB
    • 4 MB

Side by side

Differences highlightedShow differences only
142 specifications
A

Acer

Aspire 5745G Intel® Core™ i5 i5-450M 39.6 cm (15.6") 4 GB DDR3-SDRAM 640 GB Intel HD Windows 7 Home Premium

Model 5745G

View product
B

Lenovo

ThinkPad NT9KDMD+45N6679 laptop Intel® Core™ i7 i7-620M

Model NT9KDMD+45N6679

View product
Display1 differ
Display diagonalDiffers39.6 cm (15.6")35.8 cm (14.1")
Display resolutionKnown for one1366 x 768 pixels
Native aspect ratioKnown for one16:9
Display brightnessKnown for one200 cd/m²
Processor11 differ
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffers4th gen Intel® Core™ i5Intel® Core™ i7
Processor modelDiffersi5-450Mi7-620M
Processor boost frequencyDiffers2.66 GHz3.33 GHz
Processor frequencyDiffers2.4 GHz2.66 GHz
System bus rateDiffers4.8 GT/s2.5 GT/s
Processor cacheDiffers3 MB4 MB
Processor socketDiffersSocket 988BGA 1288
Processor seriesDiffersIntel Core i5-400 SeriesIntel Core i7-600 Mobile Series
SteppingDiffersK0C2
CPU multiplier (bus/core ratio)Differs1820
Processor front side busKnown for one1066 MHz
Memory1 differ
Maximum internal memoryDiffers8 GB4 GB
Memory clock speedKnown for one1066 MHz
Storage3 differ
Total storage capacityDiffers640 GB500 GB
HDD speedDiffers5400 RPM7200 RPM
Optical drive typeDiffersDVD Super Multi DLDVD Super Multi
Compatible memory cardsKnown for oneMemory Stick (MS), MMC, MS PRO, SD, xD
Graphicsidentical
Discrete graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneIntel HD
Graphics card familyKnown for oneIntel
Audioidentical
Audio systemKnown for oneHigh Definition Audio
Cameraidentical
Front cameraKnown for oneNo
Network1 differ
BluetoothDiffersNoYes
Bluetooth versionKnown for one2.1+EDR
WWANKnown for oneInstalled
Cabling technologyKnown for one10/100/1000Base-T(X)
Ports & interfaces5 differ
HDMI ports quantityDiffers10
Microphone inDiffersYesNo
ExpressCard slotDiffersNoYes
SmartCard slotDiffersYesNo
Modem (RJ-11) portsDiffers10
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one0
eSATA ports quantityKnown for one1
DisplayPorts quantityKnown for one1
Firewire (IEEE 1394) portsKnown for one1
Performanceidentical
Motherboard chipsetKnown for oneIntel® HM55 Express
Keyboardidentical
Pointing deviceKnown for oneTouchpad
Software1 differ
Operating system installedDiffersWindows 7 Home PremiumWindows 7 Professional
Bundled softwareKnown for oneAcer Backup Manager, Acer eRecovery Manager, Acer Launch Manager, Adobe Reader, Adobe Flash Player, eSobi, Google Toolbar, NTI Media Maker, MyWinLocker, Oberon GameZone, WildTangent
Processor special features6 differ
Embedded options availableDiffersNoYes
Intel Trusted Execution TechnologyDiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Processor ARK IDDiffers4902243560
Processor codeDiffersSLBTZSLBPE
Batteryidentical
Number of battery cellsKnown for one6
Battery life (max)Known for one3.5 h
Security1 differ
Cable lock slotDiffersYesNo
Cable lock slot typeKnown for oneKensington
Fingerprint readerKnown for oneYes
Weight & dimensions4 differ
WeightKnown for one2.6 kg
WidthDiffers379 mm333.5 mm
DepthDiffers250 mm239 mm
Height (front)Differs2.59 cm2.76 cm
Height (rear)Differs3.29 cm3.19 cm
Other featuresidentical
Internal modemKnown for oneYes
Power supply typeKnown for oneAC - DC
Wake-on-LAN readyKnown for oneYes
TV tuner integratedKnown for oneNo
Designidentical
Product colourKnown for oneBlack
Packaging contentidentical
AC adapter includedKnown for oneYes

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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