Laptop Acer Aspire 3681WXMI uses Celeron M410 1.46GHz processor, and notebook Acer Aspire 3681WXMI uses Pentium M740 1.73GHz central processor unit.
Chipset inside Acer Aspire 3681WXMI is Intel 945GM/PM Express but in Acer Aspire 3681WXMI is Intel 915GM.
Screen size at Acer TravelMate 4072NWLMi is quite larger with its 15.4" than Acer Aspire 3681WXMI with its 14.1".
Inside both notebooks were 0.5GB of memory.
Acer Aspire 3681WXMI supports more maximum amount of RAM (2) than Acer TravelMate 4072NWLMi (-1GB).
Acer Aspire 3681WXMI has less weight (2.35kg), comparing to 2.75kg on another laptop here.
Graphic card inside Aspire 3681WXMI is Intel GMA900 and other laptop uses Intel 915GM.
Video cards on both notebooks uses 64MB of shared RAM from mainboard.
Acer TravelMate 4072NWLMi had more storage for multimedia files on its hard drive.
Bluetooth, which is low powered air connection, isn't available on both laptops, and that might be quite disadvantage.
Keep in mind that these models don't have infrared device built-in.
No firewire unable some camcorders and storage device to attach them to these laptops.
There are no PCMCIA on Acer TravelMate 4072NWLMi.
Only model Aspire 3681WXMI have cardreader inside.
Disadvantage of both is lack of DVI output for connection to some modern monitors.
Each notebook has 3 USB ports.
These laptops aren't really good for Internet telephony because they haven't web camera.
Operating system is XP Home on Acer Aspire 3681WXMI and Linux on Acer TravelMate 4072NWLMi.
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