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Product comparison · 2 laptops

Acer Aspire 1644WLMi vs Lenovo ThinkPad R50 PM 1.4GHz

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  • 46specifications compared
  • 24differ
  • 22identical
  • 32known for one product only

Key differences

  • Display diagonal
    • 39.1 cm (15.4")
    • 35.8 cm (14.1")
  • Display resolution
    • 1280 x 800 pixels
    • 1024 x 768 pixels
  • Native aspect ratio
    • 16:10
    • 4:3
  • Processor frequency
    • 2 GHz
    • 1.4 GHz
  • Processor front side bus
    • 533 MHz
    • 400 MHz
  • Internal memory
    • 1 GB
    • 0.25 GB
  • Internal memory type
    • DDR2-SDRAM
    • DDR-SDRAM
  • Total storage capacity
    • 100 GB
    • 30 GB

Side by side

Differences highlightedShow differences only
78 specifications
A

Acer

Aspire 1644WLMiView product
B

Lenovo

ThinkPad R50 PM 1.4GHzView product
Display3 differ
Display diagonalDiffers39.1 cm (15.4")35.8 cm (14.1")
Display resolutionDiffers1280 x 800 pixels1024 x 768 pixels
Native aspect ratioDiffers16:104:3
Processor2 differ
Processor frequencyDiffers2 GHz1.4 GHz
Processor cacheKnown for one2 MB
Processor cache typeKnown for oneL2
Processor front side busDiffers533 MHz400 MHz
Memory2 differ
Internal memoryDiffers1 GB0.25 GB
Internal memory typeDiffersDDR2-SDRAMDDR-SDRAM
Memory layout (slots x size)Known for one2 x 0.5 GB
Storage1 differ
Total storage capacityDiffers100 GB30 GB
Optical drive typeKnown for oneDVD-ROM
Graphics2 differ
Discrete graphics card modelDiffersIntel® GMA 900AMD Mobility Radeon 7500
Maximum graphics card memoryDiffers0.128 GB0.032 GB
Graphics card interfaceKnown for oneAGP 4X
Audioidentical
Built-in subwooferKnown for oneNo
Audio systemKnown for oneSoundMAX
Network2 differ
Networking featuresDiffersFast Ethernet, WLANEthernet/Fast Ethernet
Wireless technologyDiffersIntel PRO/Wireless 2200BGIEEE 802.11b
BluetoothKnown for oneNo
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers32
VGA (D-Sub) ports quantityDiffers01
ExpressCard slotKnown for oneNo
CardBus PCMCIA slots quantityDiffers10
CardBus PCMCIA slot typeDiffersType IINo
TV-outDiffersNoYes
Parallel ports quantityDiffers01
TV-out typeKnown for oneS-Video
Performanceidentical
Motherboard chipsetKnown for oneIntel® 915GM Express
Keyboard1 differ
Pointing deviceDiffersTouchpadThinkPad UltraNav
Number of keyboard cursor keysKnown for one4
Keyboard function keysKnown for one12
Keyboard typeKnown for oneFull size
Software1 differ
Operating system installedDiffersWindows XP Home EditionWindows XP Professional
Bundled softwareKnown for oneAcer eManager Acer Grid Vista Acer Launch Manager Acer Arcade Acer System Recovery CD Adobe Reader NTI CD-Maker
Battery2 differ
Number of battery cellsDiffers46
Battery life (max)Differs2 h4.7 h
Weight & dimensions1 differ
WeightDiffers2.94 kg2.7 kg
WidthKnown for one354 mm
DepthKnown for one279 mm
HeightKnown for one33.9 mm
Dimensions (WxDxH)Known for one314 x 260 x 37 mm
Packaging contentidentical
AC adapter includedKnown for oneYes
Other features1 differ
Infrared data portDiffersNoYes
Power managementKnown for oneACPI 2.0
Wake-on-LAN readyKnown for oneYes
Wake-on-Ring readyKnown for oneYes
Modem typeKnown for oneITU V.92
Docking solutionKnown for oneDock II / Port Replicator II
Supplied AC adapter typeKnown for oneAC
Optical driveidentical
CD read speedKnown for one24x
CD write speedKnown for one24x
CD rewrite speedKnown for one24x
DVD read speedKnown for one8x
Securityidentical
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneIBM

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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