Central processor unit in Acer Aspire 3681WXMI is Celeron M410 1.46GHz and in Acer TravelMate 4652LMi is Pentium M740 1.73GHz.
Screen size at Acer TravelMate 4652LMi is quite larger with its 15" than Acer Aspire 3681WXMI with its 14.1".
For people who likes higher screen resolutions, 1400x1050 on TravelMate 4652LMi might be more preferable than 1280x800 on Aspire 3681WXMI screen.
RAM memory was on both laptops 0.5GB.
Both of these models allows 2.5 running without power supply (on internall accumulator).
If you plan to move laptop around frequently, Acer Aspire 3681WXMI have weight only 2.35kg, but Acer TravelMate 4652LMi is much heavier - 3kg.
Graphic is built around Intel GMA900 on Aspire 3681WXMI, but graphic on other laptop is GMA900.
Up to 64MB main RAM memory is in use for video on Aspire 3681WXMI and up to 128MB on TravelMate 4652LMi.
Acer TravelMate 4652LMi laptop is more suitable with its 100GB hard drive for storing bunch of media information like music .
We do not have preference on their hard disk speed - 5400 rpm have both.
Bluetooth exists only on Acer TravelMate 4652LMi model and you might need it for pictures on your camera or mobile phone.
Infrared is missing on Acer Aspire 3681WXMI.
Keep in mind that these models don't have firewire which you might need by some video devices (although rarely).
Both laptops have built-in internal modem which you need somewhere where broadband internet isn't available.
Note that Acer Aspire 3681WXMI cannot perform 1Gbit/s connection on fast networks, it will work on those, but with speed of 100Mbit/s.
Only Acer Aspire 3681WXMI have cardreader inside.
They don't have DVI for new TFT monitors.
Only TravelMate 4652LMi has TV output.
The lack of webcamera in both models makes them bad in video conferencing.
Operating system on Aspire 3681WXMI is XP Home and on TravelMate 4652LMi is XP Pro.
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