All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 laptops

Acer eMachines E520-572G12Mi vs Lenovo ThinkPad T400-NM7P6IX

Add a product
  • 102specifications compared
  • 38differ
  • 64identical
  • 29known for one product only

Key differences

  • Display diagonal
    • 39.1 cm (15.4")
    • 35.8 cm (14.1")
  • Display resolution
    • 1280 x 800 pixels
    • 1440 x 900 pixels
  • Processor family
    • Intel® Celeron® M
    • Intel® Core™2 Duo
  • Processor model
    • 575
    • P8400
  • Processor cores
    • 1
    • 2
  • Processor threads
    • 1
    • 2
  • Processor frequency
    • 2 GHz
    • 2.26 GHz
  • Processor cache
    • 1 MB
    • 3 MB

Side by side

Differences highlightedShow differences only
131 specifications
A

Acer

eMachines E520-572G12MiView product
B

Lenovo

ThinkPad T400-NM7P6IXView product
Display2 differ
Display diagonalDiffers39.1 cm (15.4")35.8 cm (14.1")
Display resolutionDiffers1280 x 800 pixels1440 x 900 pixels
Display number of coloursKnown for one16.78 million colours
Processor14 differ
Processor familyDiffersIntel® Celeron® MIntel® Core™2 Duo
Processor modelDiffers575P8400
Processor coresDiffers12
Processor threadsDiffers12
Processor frequencyDiffers2 GHz2.26 GHz
Processor cacheDiffers1 MB3 MB
Processor front side busDiffers667 MHz1066 MHz
Processor lithographyDiffers65 nm45 nm
Processor seriesDiffersIntel Celeron Processor 500 Series for MobileIntel Core 2 Duo P8000 Series
Processor codenameDiffersMeromPenryn
Thermal Design Power (TDP)Differs31 W25 W
TjunctionKnown for one105 °C
Number of Processing Die TransistorsDiffers291 M410 M
Processing Die sizeDiffers143 mm²107 mm²
CPU multiplier (bus/core ratio)Differs128.5
TcaseKnown for one100 °C
Memory2 differ
Internal memory typeDiffersDDR2-SDRAMDDR3-SDRAM
Memory clock speedKnown for one1066 MHz
Memory layout (slots x size)Known for one2 x 2 GB
Maximum internal memoryDiffers2 GB4 GB
Storage1 differ
Total storage capacityDiffers120 GB250 GB
Optical drive typeKnown for oneDVD Super Multi DL
Graphics1 differ
Discrete graphics card modelDiffersIntel® GMA X3100Intel® GMA X4500HD
Maximum graphics card memoryKnown for one0.128 GB
Audioidentical
Speaker powerKnown for one2 W
Network3 differ
Networking featuresDiffersEthernet/Fast EthernetGigabit Ethernet, WLAN
Wireless technologyDiffersIEEE 802.11b/gIntel WiFi Link 5300AGN
BluetoothDiffersNoYes
Ports & interfaces3 differ
Firewire (IEEE 1394) portsDiffers01
Docking connectorDiffersNoYes
Modem (RJ-11) portsDiffers01
Keyboardidentical
Pointing deviceKnown for oneThinkPad UltraNav
Software1 differ
Operating system installedDiffersWindows Vista Home BasicWindows Vista Business
Processor special features7 differ
Enhanced Intel SpeedStep TechnologyDiffersNoYes
Idle StatesDiffersNoYes
Intel Enhanced Halt StateDiffersNoYes
Intel Trusted Execution TechnologyDiffersNoYes
Intel Virtualization Technology (VT-x)DiffersNoYes
Processor ARK IDDiffers3668035569
Processor codeDiffersSLB6MSL3BU
Batteryidentical
Battery life (max)Known for one6.3 h
Poweridentical
AC adapter powerKnown for one65 W
AC adapter input voltageKnown for one100 - 240 V
Securityidentical
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Fingerprint readerKnown for oneYes
Password protection typeKnown for oneBIOS
HDD user passwordKnown for oneYes
Weight & dimensions3 differ
WeightDiffers2.8 kg2.38 kg
WidthDiffers366 mm335 mm
DepthDiffers274 mm238 mm
HeightKnown for one31.9 mm
Height (front)Known for one3.36 cm
Height (rear)Known for one4.26 cm
Packaging contentidentical
AC adapter includedKnown for oneYes
Other features1 differ
Compliance industry standardsKnown for oneIntel WiFi Link 5300AGN
Internal modemDiffersNoYes
Modem speedKnown for one56 Kbit/s
Modem typeKnown for oneV90 & K56
Intel segment taggingKnown for oneHome office, Small Business
Wake-on-LAN readyKnown for oneYes
Wake-on-Ring readyKnown for oneYes
Cameraidentical
Front camera resolution (numeric)Known for one0.3 MP
Performanceidentical
Motherboard chipsetKnown for oneIntel GL960 Express

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.

More laptop comparisons

All laptop comparisons