Laptop Acer TravelMate 4202WLMI uses Core Duo T2300 1.6GHz central processor unit, and laptop Acer TravelMate 4202WLMI uses Centrino Duo T2300 1.66Ghz CPU.
TFT screen on both monitor is 15.4" large.
Maximum screen resolution (1280x800) is same on both laptops.
For customers whose need more RAM we've found Sony Vaio VGN-FE28B with its 1GB better than 0.5 GB on Acer TravelMate 4202WLMI.
Both notebooks use same RAM memory (DDR2).
Both notebook models allows 3 running without power supply (on internall accumulator).
Sony Vaio VGN-FE28B is something lighter with its weight of 2.95kg, comparing to 3kg at other laptop.
Video card in use in Acer TravelMate 4202WLMI is Intel 950 and in Sony Vaio VGN-FE28B is Nvidia Go 7400.
Sony Vaio VGN-FE28B had more storage for files (like mp3, avi) on its hard disk.
Both laptops have same rotating speed (5400rpm) of their hard disks.
Unfortunatly, owners of these laptops might have problems for sharing data with their digital cameras and mobile phones due to lack of internal bluetooth device.
We dislike the fact that infrared isn't available on these laptops.
Keep in mind that these models don't have firewire which you might need by some video devices (although rarely).
Fast network (1Gbit/s) could be used on full speed only by Acer TravelMate 4202WLMI.
Both laptops have cardreaders.
It is bad that these notebooks cannot be connected to some new LCD monitors since they don't have DVI.
Advantage of Acer TravelMate 4202WLMI is existance of TV output.
Both notebooks have 3 USB ports each.
There are no web camera in both laptops which is bad for video conferencing .
Operating system on Acer TravelMate 4202WLMI is XP Pro and on Sony Vaio VGN-FE28B is XP Media Center.
Only Sony Vaio VGN-FE28B has some additional software : Adobe Acrobat Elements 7.0.
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