Laptop Acer TravelMate 4072NWLMi uses Pentium M740 1.73GHz central processor unit, and laptop Acer TravelMate 4072NWLMi uses Turion64 1.8GHz processor.
We've found 15.4" monitor size on TravelMate 4072NWLMi quite better than 15" at R23.G13.
The amount of RAM memory was 0.5GB on both notebooks.
Acer TravelMate 4072NWLMi is lighter with its weight of 2.75kg, comparing to 2.8kg at other laptop.
More storage for multimedia (mpeg, avi) were available at Acer TravelMate 4072NWLMi (greater space on hard disk).
Bluetooth, which is low power 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 (IEEE 1394).
Disadvantage of both is lack of DVI output for connection to some modern TFT monitors.
These laptops aren't very suitable for Internet telephony because they haven't web camera.
Operating system is Linux on Acer TravelMate 4072NWLMi and XP Home on BenQ R23.G13.
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