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Product comparison · 2 laptops

Acer Aspire 7720G-604G50Mi vs Lenovo ThinkPad T400 (64741EG), CH

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  • 102specifications compared
  • 40differ
  • 62identical
  • 35known for one product only

Key differences

  • Display diagonal
    • 43.2 cm (17")
    • 35.8 cm (14.1")
  • Processor model
    • T7500
    • P8400
  • Processor frequency
    • 2.2 GHz
    • 2.26 GHz
  • Processor cache
    • 4 MB
    • 3 MB
  • Processor front side bus
    • 800 MHz
    • 1066 MHz
  • Processor lithography
    • 65 nm
    • 45 nm
  • Processor codename
    • Merom
    • Penryn
  • Stepping
    • E1
    • M0

Side by side

Differences highlightedShow differences only
137 specifications
A

Acer

Aspire 7720G-604G50MiView product
B

Lenovo

ThinkPad T400 (64741EG), CHView product
Display1 differ
Display diagonalDiffers43.2 cm (17")35.8 cm (14.1")
Display resolutionKnown for one1280 x 800 pixels
Native aspect ratioKnown for one16:10
Display surfaceKnown for oneGloss
Display brightnessKnown for one200 cd/m²
Processor13 differ
Processor modelDiffersT7500P8400
Processor frequencyDiffers2.2 GHz2.26 GHz
Processor cacheDiffers4 MB3 MB
Processor front side busDiffers800 MHz1066 MHz
Processor lithographyDiffers65 nm45 nm
Processor seriesDiffersIntel Core 2 Duo T7000 SeriesIntel Core 2 Duo P8000 Series
Processor codenameDiffersMeromPenryn
SteppingDiffersE1M0
Thermal Design Power (TDP)Differs35 W25 W
TjunctionDiffers100 °C105 °C
Number of Processing Die TransistorsDiffers291 M410 M
Processing Die sizeDiffers143 mm²107 mm²
CPU multiplier (bus/core ratio)Differs118.5
Memory3 differ
Internal memoryDiffers4 GB2 GB
Internal memory typeDiffersDDR2-SDRAMDDR3-SDRAM
Memory clock speedKnown for one1066 MHz
Memory layout (slots x size)Differs2 x 2 GB1 x 2 GB
Memory slotsKnown for one2x SO-DIMM
Storage2 differ
Total storage capacityKnown for one160 GB
Number of HDDs installedDiffers21
Card reader integratedDiffersYesNo
HDD speedKnown for one5400 RPM
Graphics1 differ
Discrete graphics card modelDiffersNVIDIA® GeForce® 8600M GTIntel® GMA 4500MHD
Discrete graphics card memoryKnown for one0.512 GB
Maximum graphics card memoryKnown for one1.28 GB
Audio1 differ
Audio systemDiffersHigh Definition AudioHDA 24-bit
Speaker powerKnown for one2 W
Built-in subwooferKnown for oneYes
Cameraidentical
Front cameraKnown for oneNo
Front camera resolution (numeric)Known for one0.3 MP
Network3 differ
Networking featuresDiffersGigabit EthernetGigabit Ethernet, WLAN
Wireless technologyDiffersIEEE 802.11a/b/gIntel WiFi 5300AGN
BluetoothDiffersNoYes
Bluetooth versionKnown for one2.0+EDR
Cabling technologyKnown for one10/100/1000Base-T(X)
Ports & interfaces8 differ
USB 2.0 ports quantityDiffers43
DVI portDiffersYesNo
S/PDIF out portDiffersYesNo
Docking connectorDiffersNoYes
ExpressCard slotDiffersYesNo
SmartCard slotDiffersYesNo
TV-in portDiffersYesNo
TV-outDiffersYesNo
TV-out typeKnown for oneS-Video
Software1 differ
Operating system installedDiffersWindows Vista Home PremiumWindows Vista Business
Drivers includedKnown for oneYes
Trial softwareKnown for oneMicrosoft Office 2007
Bundled softwareKnown for oneAcer Empowering Technologie (Acer eNet, ePower, eAudio, ePresentation, eDataSecurity, eLock, eRecovery, eSettings Management), Acer Arcade + Cinema, Video, Album, Music, TV, Acer Arcade Deluxe + DV Wizard, VideoMagician, DVDivine,Acer GridVista, Acer Launch Manager, Adobe Reader, CyberLink Power Pro
Processor special features2 differ
Intel Trusted Execution TechnologyDiffersNoYes
Processor ARK IDDiffers2976135569
Processor codeKnown for oneSL3BU
Batteryidentical
Battery life (max)Known for one6.6 h
Security1 differ
Cable lock slot typeDiffersKensingtonIBM
Fingerprint readerKnown for oneYes
HDD user passwordKnown for oneYes
Password protection typeKnown for oneBIOS
Weight & dimensions3 differ
WeightDiffers3.62 kg2.2 kg
WidthDiffers404 mm335.5 mm
DepthDiffers298 mm239 mm
HeightKnown for one31.9 mm
Height (front)Known for one3.8 cm
Height (rear)Known for one4.3 cm
Packaging contentidentical
AC adapter includedKnown for oneYes
Other features1 differ
Infrared data portDiffersYesNo
Intel segment taggingKnown for oneHome office, Small Business
Wake-on-LAN readyKnown for oneYes
Wake-on-Ring readyKnown for oneYes
Modem typeKnown for oneITU V.92
Performanceidentical
Motherboard chipsetKnown for oneIntel® PM965 Express
Keyboardidentical
Pointing deviceKnown for oneTouchpad

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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