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Product comparison · 2 laptops

Acer Aspire 7738G-744G50BN vs Lenovo ThinkPad T400 (647425G)

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  • 101specifications compared
  • 32differ
  • 69identical
  • 33known for one product only

Key differences

  • Display diagonal
    • 43.9 cm (17.3")
    • 35.8 cm (14.1")
  • Display resolution
    • 1600 x 900 pixels
    • 1440 x 900 pixels
  • Native aspect ratio
    • 16:9
    • 16:10
  • Processor model
    • P7450
    • P8600
  • Processor frequency
    • 2.13 GHz
    • 2.4 GHz
  • Processor socket
    • Socket 478
    • Socket 479
  • Stepping
    • M0
    • R1
  • Tjunction
    • 90 °C
    • 105 °C

Side by side

Differences highlightedShow differences only
134 specifications
A

Acer

Aspire 7738G-744G50BNView product
B

Lenovo

ThinkPad T400 (647425G)View product
Display3 differ
Display diagonalDiffers43.9 cm (17.3")35.8 cm (14.1")
Display resolutionDiffers1600 x 900 pixels1440 x 900 pixels
LED backlightKnown for oneYes
Native aspect ratioDiffers16:916:10
Display surfaceKnown for oneGloss
HD typeKnown for oneHD+
Display brightnessKnown for one220 cd/m²
Display response rise/fallKnown for one8 ms
Processor7 differ
Processor modelDiffersP7450P8600
Processor frequencyDiffers2.13 GHz2.4 GHz
Processor socketDiffersSocket 478Socket 479
Processor seriesDiffersIntel Core 2 Duo P7000 SeriesIntel Core 2 Duo P8000 Series
SteppingDiffersM0R1
TjunctionDiffers90 °C105 °C
CPU multiplier (bus/core ratio)Differs7.59
Memory1 differ
Internal memoryDiffers4 GB2 GB
Memory clock speedKnown for one1066 MHz
Memory layout (slots x size)Known for one1 x 2 GB
Memory slotsKnown for one2x SO-DIMM
Storage2 differ
Total storage capacityDiffers500 GB160 GB
Number of HDDs installedKnown for one1
Card reader integratedDiffersYesNo
Compatible memory cardsKnown for oneMMC, MS PRO, SD, xD
Graphics1 differ
Discrete graphics card modelDiffersNVIDIA® GeForce® GT 240MIntel® GMA 4500MHD
Audio1 differ
Audio systemDiffersHigh Definition AudioHDA 24-bit
Speaker powerKnown for one2 W
Cameraidentical
Front cameraKnown for oneNo
Network2 differ
Networking featuresDiffersGigabit EthernetGigabit Ethernet, WLAN
Wireless technologyDiffersIEEE 802.11a/b/g/nIntel WiFi 5100AGN
Cabling technologyKnown for one10/100/1000Base-T(X)
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers43
HDMI ports quantityDiffers10
Firewire (IEEE 1394) portsDiffers01
Docking connectorDiffersNoYes
SmartCard slotDiffersYesNo
Software1 differ
Operating system installedDiffersWindows 7 Home PremiumWindows Vista Business
Drivers includedKnown for oneYes
Trial softwareKnown for oneMicrosoft Office 2007
Bundled softwareKnown for oneAcer Arcade Deluxe featuring Cinema, Album, Music, Acer HomeMedia, Acer Bio-Protection, Acer Crystal Eye, Acer GridVista, Acer Backup Manager, Acer Launch Manager, Acer eRecovery Management, Acer PowerSmart Manager, Acer GameZone, Adobe Reader, Google Toolbar, Google Desktop, Adobe Flash Player, NTI
Processor special features4 differ
Idle StatesKnown for oneYes
Intel Enhanced Halt StateDiffersNoYes
Intel Trusted Execution TechnologyDiffersNoYes
Intel Virtualization Technology (VT-x)DiffersNoYes
Processor ARK IDDiffers3673435568
Processor codeKnown for oneSLGDZ
Processor package sizeKnown for one35 x 35 mm
Batteryidentical
Number of battery cellsKnown for one6
Battery life (max)Known for one6.6 h
Security1 differ
Cable lock slot typeDiffersKensingtonIBM
HDD user passwordKnown for oneYes
Password protection typeKnown for oneBIOS
Weight & dimensions3 differ
WeightDiffers3.36 kg2.2 kg
WidthDiffers410 mm335.5 mm
DepthDiffers286 mm239 mm
HeightKnown for one31.9 mm
Height (front)Known for one3.5 cm
Height (rear)Known for one4.15 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® PM45 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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