Core 2 Duo T7200 2.0GHz was built in Acer Aspire 9512WSMi Gamer laptop comparing to Core Duo T2400 1.83GHz in Fujitsu-Siemens Amilo Xi 1546.
Both Aspire 9512WSMi Gamer and Amilo Xi 1546 have 17" screen size.
The same on both laptops is maximum screen resolution - 1440x900.
You should expirience less swapping on Fujitsu-Siemens Amilo Xi 1546 than on Acer Aspire 9512WSMi Gamer when you run many programs, since Fujitsu-Siemens Amilo Xi 1546 has 2GB of RAM, comparing to 1GB on other model.
-1GB is maximum supportable RAM memory on both laptops
Video card inside Aspire 9512WSMi Gamer is Nvidia Go7900GS and other laptop has ATI Mobility X1800 inside.
Video cards contains 512MB of memory on Acer Aspire 9512WSMi Gamer, other laptop have less (256MB) of memory on video card.
Acer Aspire 9512WSMi Gamer had more hard disk space (240 GB) - definetly something which users who think to hold movies on it will like.
These laptops have bluetooth built, so you may communicate with other devices (i.e. your handy).
Only Acer Aspire 9512WSMi Gamer is able to communicate with some other devices using infrared connection.
No firewire connection on model Fujitsu-Siemens Amilo Xi 1546.
PCMCIA is available only on Acer Aspire 9512WSMi Gamer and it is needed by some TV cards and external modems.
Note that only Fujitsu-Siemens Amilo Xi 1546 is able to take advantage of fast internet connections (1Gbit/s).
Cardreader is inside both laptops.
DVI output which Acer Aspire 9512WSMi Gamer notebook has allows you to see its screen onto bigger modern monitors.
Acer Aspire 9512WSMi Gamer only has TV output.
Web camera is built in Acer Aspire 9512WSMi Gamer (the another hasn't any) and that is useful for video conferencing.
Special adventages of these notebooks are : two hard disks of 120 in RAID for Acer Aspire 9512WSMi Gamer and for Fujitsu-Siemens Amilo Xi 1546.
More
Laptops comparisons:
Gateway MX6455 vs Toshiba Satellite A105-S4384.
Acer TravelMate 4072NWLMi vs BenQ R55.G24.
Gateway MX3414 vs Acer TravelMate 4202WLMI.
Sony Vaio VGN-FS980 vs Toshiba Qosmio G35-AV660.
Gateway MX6455 vs Panasonic Toughbook CG-18.
Gateway MX6931 vs Samsung M700-1860.
Gateway MX6912 vs Samsung R40-T500 Cinoso.
Sony Vaio VGN-FE770G vs Fujitsu-Siemens Amilo Xi 1546.
Asus Z5303JC vs Sony Vaio VGN-FE31Z.
Acer Aspire 3681WXMI vs Toshiba Satellite M60-182.
Acer Aspire 3681WXMI vs Microstar 262B.
Sony Vaio VGN-FS980 vs Acer TravelMate 4202WLMI.