CPU in Sony Vaio VGN-FE660G is Core Duo T2300 1.6GHz, and in notebook Fujitsu-Siemens Amilo Xi 1546 is Core Duo T2400 1.83GHz.
We like more Fujitsu-Siemens Amilo Xi 1546 17" inch screen than Sony Vaio VGN-FE660G's 15.4" size.
Maximum screen resulution on Fujitsu-Siemens Amilo Xi 1546 is 1440x900, which might prefer graphic experts rather than 1280x800 on Sony Vaio VGN-FE660G.
For customers whose need more RAM we've found Fujitsu-Siemens Amilo Xi 1546 with its 2GB better than 1 GB on Sony Vaio VGN-FE660G.
With maximum 2GB of RAM it can support Sony Vaio VGN-FE660G can feel a bit more proud than Fujitsu-Siemens Amilo Xi 1546.
Graphic is built around Intel 950 on Vaio VGN-FE660G, but graphic on other is built using ATI Mobility X1800.
Graphic cards on Fujitsu-Siemens Amilo Xi 1546 have its own memory (256MB) and because of that mainboard's memory controller works faster.
Sony Vaio VGN-FE660G had more hard drive space (100 GB) - definetly something which users who plan to hold movies on it will certainly like.
There are no bluetooth on Sony Vaio VGN-FE660G and that might be disadvantage.
No firewire on Fujitsu-Siemens Amilo Xi 1546 unable them to connect to some camcorders.
PCMCIA on Fujitsu-Siemens Amilo Xi 1546 unable them to connect to some TV cards .
Internal modem is available in both models which you will need it on some location without proper Internet connection.
Note that only Fujitsu-Siemens Amilo Xi 1546 is able to take advantage of fast internet connections (1Gbit/s).
Both notebooks have cardreaders.
None has DVI output so you cannot connect them to some new LCD monitors.
These laptops aren't really suitable for Internet telephony because they haven't web camera.
Only Sony Vaio VGN-FE660G has special software pack : Works 8.5.
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