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Product comparison · 2 laptops

Acer eMachines E520-571G16 vs Lenovo ThinkPad R61 Core 2 Duo T8100 (2.10GHz)/2GB/ 160GB/ 15,4" WSXGA+

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  • 97specifications compared
  • 36differ
  • 61identical
  • 30known 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
127 specifications
A

Acer

eMachines E520-571G16View product
B

Lenovo

ThinkPad R61 Core 2 Duo T8100 (2.10GHz)/2GB/ 160GB/ 15,4" WSXGA+View product
Display1 differ
Display resolutionDiffers1280 x 800 pixels1680 x 1050 pixels
Display brightnessKnown for one200 cd/m²
Display number of coloursKnown for one16.78 million colours
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
TcaseKnown for one100 °C
Number of Processing Die TransistorsDiffers291 M410 M
Processing Die sizeDiffers143 mm²107 mm²
CPU multiplier (bus/core ratio)Differs1210.5
TjunctionKnown for one105 °C
Memory2 differ
Internal memoryDiffers1 GB2 GB
Memory layout (slots x size)Differs1 x 1 GB2 x 2 GB
Memory slotsKnown for one2x SO-DIMM
Memory clock speedKnown for one667 MHz
Storage1 differ
Card reader integratedDiffersNoYes
Graphics1 differ
Discrete graphics card modelDiffersIntel® GMA 4500MNVIDIA Quadro NVS 140M
Discrete graphics card memoryKnown for one0.125 GB
Graphics card familyKnown for onenVIDIA
Maximum graphics card memoryKnown for one0.128 GB
Audioidentical
Audio systemKnown for oneHigh Definition Audio
Number of built-in speakersKnown for one2
Network2 differ
Networking featuresKnown for oneEthernet/Fast Ethernet
Wireless technologyDiffersIEEE 802.11b/gWiFi Link 4965AGN
BluetoothDiffersNoYes
Networking typeKnown for oneGigabit Ethernet
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers23
Firewire (IEEE 1394) portsDiffers01
Docking connectorDiffersNoYes
Modem (RJ-11) portsDiffers01
TV-outDiffersNoYes
TV-out typeKnown for oneS-Video
Performanceidentical
Motherboard chipsetKnown for oneIntel® GL40 Express
Keyboardidentical
Pointing deviceKnown for oneTouchpad
Keyboard typeKnown for oneFull size
Software1 differ
Operating system installedDiffersLinuxWindows Vista Business
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
Poweridentical
AC adapter powerKnown for one90 W
Securityidentical
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Fingerprint readerKnown for oneYes
HDD user passwordKnown for oneYes
Weight & dimensions1 differ
WeightDiffers2.8 kg2.77 kg
WidthKnown for one364.6 mm
DepthKnown for one273.6 mm
Height (front)Known for one2.7 cm
Height (rear)Known for one3.84 cm
Dimensions (WxDxH)Known for one358 x 260 x 35 mm
Other features1 differ
Wake-on-LAN readyKnown for oneYes
Internal modemDiffersNoYes
Optical driveidentical
DVD+R speedKnown for one24x
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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