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Product comparison · 2 laptops

Acer eMachines E520-572G16 vs Lenovo ThinkPad R61 + USB Port Replicator

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  • 103specifications compared
  • 42differ
  • 61identical
  • 19known for one product only

Key differences

  • Display resolution
    • 1280 x 800 pixels
    • 1680 x 1050 pixels
  • Processor family
    • Intel® Celeron® M
    • Intel® Core™2 Duo
  • Processor model
    • 575
    • T8100
  • Processor cores
    • 1
    • 2
  • Processor threads
    • 1
    • 2
  • Processor frequency
    • 2 GHz
    • 2.1 GHz
  • Processor cache
    • 1 MB
    • 3 MB
  • Processor front side bus
    • 667 MHz
    • 800 MHz

Side by side

Differences highlightedShow differences only
122 specifications
A

Acer

eMachines E520-572G16View product
B

Lenovo

ThinkPad R61 + USB Port ReplicatorView product
Display1 differ
Display resolutionDiffers1280 x 800 pixels1680 x 1050 pixels
Display brightnessKnown for one200 cd/m²
Processor14 differ
Processor familyDiffersIntel® Celeron® MIntel® Core™2 Duo
Processor modelDiffers575T8100
Processor coresDiffers12
Processor threadsDiffers12
Processor frequencyDiffers2 GHz2.1 GHz
Processor cacheDiffers1 MB3 MB
Processor front side busDiffers667 MHz800 MHz
Processor lithographyDiffers65 nm45 nm
Processor seriesDiffersIntel Celeron Processor 500 Series for MobileIntel Core 2 Duo T8000 Series
Processor codenameDiffersMeromPenryn
Thermal Design Power (TDP)Differs31 W35 W
TjunctionKnown for one105 °C
Number of Processing Die TransistorsDiffers291 M410 M
Processing Die sizeDiffers143 mm²107 mm²
CPU multiplier (bus/core ratio)Differs1210.5
TcaseKnown for one100 °C
Storage1 differ
HDD speedKnown for one5400 RPM
Optical drive typeKnown for oneDVD±RW
Card reader integratedDiffersNoYes
Graphics1 differ
Discrete graphics card modelDiffersIntel® GMA 4500MNVIDIA Quadro NVS 140M
Maximum graphics card memoryKnown for one0.128 GB
Network2 differ
Networking featuresDiffersEthernet/Fast EthernetGigabit Ethernet
Wireless technologyDiffersIEEE 802.11b/gIEEE 802.11a/g/n
Ports & interfaces9 differ
USB 2.0 ports quantityDiffers23
Firewire (IEEE 1394) portsDiffers01
Docking connectorDiffersNoYes
ExpressCard slotDiffersNoYes
CardBus PCMCIA slots quantityDiffers01
CardBus PCMCIA slot typeDiffersNoType II
SmartCard slotDiffersNoYes
Modem (RJ-11) portsDiffers01
TV-outDiffersNoYes
TV-out typeKnown for oneS-Video
USB 1.1 ports quantityKnown for one0
Keyboard1 differ
Pointing deviceDiffersTouchpadThinkPad UltraNav
Software1 differ
Operating system installedDiffersLinuxWindows XP Professional
Bundled softwareKnown for oneeMachines GameZone, Adobe Reader, Corel WinDVD, Launch Manager, NTI CD/DVD Maker
Processor special features7 differ
Embedded options availableDiffersYesNo
Enhanced Intel SpeedStep TechnologyDiffersNoYes
Idle StatesDiffersNoYes
Intel Enhanced Halt StateDiffersNoYes
Intel Virtualization Technology (VT-x)DiffersNoYes
Processor ARK IDDiffers3668033916
Processor codeDiffersSLB6MSLAVJ
Security1 differ
Cable lock slot typeDiffersKensingtonIBM
Fingerprint readerKnown for oneYes
HDD user passwordKnown for oneYes
Weight & dimensions3 differ
WeightDiffers2.8 kg2.76 kg
WidthDiffers364.6 mm358 mm
DepthDiffers273.6 mm260 mm
HeightKnown for one35 mm
Height (front)Known for one2.7 cm
Height (rear)Known for one3.84 cm
Other features1 differ
Internal modemDiffersNoYes
Modem speedKnown for one56 Kbit/s
Wake-on-LAN readyKnown for oneYes
Audioidentical
Audio systemKnown for oneHigh Definition Audio
Number of built-in speakersKnown for one2
Performanceidentical
Motherboard chipsetKnown for oneIntel® GL40 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.

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