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 Aspire 5520G-643G25Bi vs Lenovo ThinkPad T61 + 1GB

Add a product
  • 52specifications compared
  • 22differ
  • 30identical
  • 70known for one product only

Key differences

  • Display resolution
    • 1280 x 800 pixels
    • 1680 x 1050 pixels
  • Processor model
    • TL-64
    • T8300
  • Processor frequency
    • 2.2 GHz
    • 2.4 GHz
  • Processor cache
    • 1 MB
    • 3 MB
  • Internal memory
    • 3 GB
    • 2 GB
  • Total storage capacity
    • 250 GB
    • 160 GB
  • Discrete graphics card model
    • NVIDIA® GeForce® 8600M GS
    • NVIDIA Quadro NVS 140M
  • Wireless technology
    • IEEE 802.11b/g
    • IEEE 802.11a/g/n

Side by side

Differences highlightedShow differences only
122 specifications
A

Acer

Aspire 5520G-643G25BiView product
B

Lenovo

ThinkPad T61 + 1GBView product
Display1 differ
Display resolutionDiffers1280 x 800 pixels1680 x 1050 pixels
Display brightnessKnown for one220 cd/m²
Processor3 differ
Processor manufacturerKnown for oneIntel
Processor familyKnown for oneIntel® Core™2 Duo
Processor modelDiffersTL-64T8300
Processor coresKnown for one2
Processor threadsKnown for one2
Processor frequencyDiffers2.2 GHz2.4 GHz
Processor cacheDiffers1 MB3 MB
Processor front side busKnown for one800 MHz
Processor socketKnown for oneSocket 479
Processor lithographyKnown for one45 nm
Processor operating modesKnown for one64-bit
Processor seriesKnown for oneIntel Core 2 Duo T8000 Series
Processor codenameKnown for onePenryn
Bus typeKnown for oneFSB
FSB ParityKnown for oneNo
SteppingKnown for oneM0
Thermal Design Power (TDP)Known for one35 W
TjunctionKnown for one105 °C
Number of Processing Die TransistorsKnown for one410 M
Processing Die sizeKnown for one107 mm²
CPU multiplier (bus/core ratio)Known for one12
ECC supported by processorKnown for oneNo
Memory1 differ
Internal memoryDiffers3 GB2 GB
Memory slotsKnown for one2x SO-DIMM
Storage1 differ
Total storage capacityDiffers250 GB160 GB
Graphics1 differ
Discrete graphics card modelDiffersNVIDIA® GeForce® 8600M GSNVIDIA Quadro NVS 140M
Maximum graphics card memoryKnown for one0.128 GB
Audioidentical
Speaker powerKnown for one2 W
Cameraidentical
Front cameraKnown for oneNo
Network1 differ
Wireless technologyDiffersIEEE 802.11b/gIEEE 802.11a/g/n
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers43
S/PDIF out portDiffersYesNo
Docking connectorDiffersNoYes
CardBus PCMCIA slots quantityDiffers01
CardBus PCMCIA slot typeDiffersNoType II
TV-outDiffersYesNo
USB 1.1 ports quantityKnown for one0
TV-out typeKnown for oneS-Video
Keyboard1 differ
Pointing deviceDiffersTouchpadThinkPad UltraNav
Software1 differ
Operating system installedDiffersWindows Vista Home PremiumWindows Vista Business
Bundled softwareKnown for oneAcer Empowering Technology (Acer eNet, ePower, eAudio, ePresentation, eDataSecurity, eLock, eRecovery, eSettings, Management), Acer Arcade + Cinema, Video, Album, Music, Acer Arcade Deluxe + DV Wizard, VideoMagician, DVDivine, Acer HomeMedia, Acer GridVista, Acer Launch Manager, Adobe Reader, CyberL
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)Known for oneNo
Embedded options availableKnown for oneNo
Enhanced Intel SpeedStep TechnologyKnown for oneYes
Execute Disable BitKnown for oneYes
Idle StatesKnown for oneYes
Intel 64Known for oneYes
Intel Clear Video TechnologyKnown for oneNo
Intel Demand Based SwitchingKnown for oneNo
Intel Dual Display Capable TechnologyKnown for oneNo
Intel Enhanced Halt StateKnown for oneYes
Intel FDI TechnologyKnown for oneNo
Intel Fast Memory AccessKnown for oneNo
Intel Flex Memory AccessKnown for oneNo
Intel Rapid Storage TechnologyKnown for oneNo
Intel Trusted Execution TechnologyKnown for oneNo
Intel VT-x with Extended Page Tables (EPT)Known for oneNo
Intel Virtualization Technology (VT-x)Known for oneYes
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneNo
Intel® AES New Instructions (Intel® AES-NI)Known for oneNo
Intel® Anti-Theft Technology (Intel® AT)Known for oneNo
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneNo
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneNo
Intel® InTru™ 3D TechnologyKnown for oneNo
Intel® Insider™Known for oneNo
Intel® My WiFi Technology (Intel® MWT)Known for oneNo
Intel® Quick Sync Video TechnologyKnown for oneNo
Intel® Turbo Boost TechnologyKnown for oneNo
Processor ARK IDKnown for one33099
Processor codeKnown for oneSLAPR
Processor package sizeKnown for one35 x 35 mm
Thermal Monitoring TechnologiesKnown for oneNo
Conflict-Free processorKnown for oneNo
Batteryidentical
Battery life (max)Known for one3.6 h
Security1 differ
Cable lock slot typeDiffersKensingtonIBM
Fingerprint readerKnown for oneYes
HDD user passwordKnown for oneYes
Password protection typeKnown for oneBIOS
Weight & dimensions3 differ
WeightDiffers2.75 kg2.6 kg
WidthDiffers366 mm357.5 mm
DepthDiffers274 mm255 mm
HeightKnown for one30 mm
Height (front)Known for one3.36 cm
Height (rear)Known for one4.26 cm
Other features2 differ
Infrared data portDiffersYesNo
Supplied AC adapter typeDiffersACAC, UP
Wake-on-LAN readyKnown for oneYes
Wake-on-Ring readyKnown for oneYes
Modem typeKnown for oneITU V.92

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