Laptop Sony Vaio VGN-FE660G has Core Duo T2300 1.6GHz CPU inside and laptop Gateway MX6931 has Core 2 Duo T5500 1.66Ghz CPU.
On both models screen size is 15.4".
You should expirience less swapping on Gateway MX6931 than on Sony Vaio VGN-FE660G when you run many programs, since Gateway MX6931 has 2GB of RAM, comparing to 1GB on other model.
There are more free RAM slots available on Vaio VGN-FE660G - 1.
Sony Vaio VGN-FE660G is something lighter with its weight of 2.8kg, comparing to 2.86kg at other laptop.
Inside both notebooks is Intel 950 video card.
Both products uses maximum 128MB of RAM as shared for their video cards.
Gateway MX6931 had more storage for multimedia files (like mp3, avi) on its hard drive.
Firewire is embedded in both models allows them to communicate with IEEE 1394 devices like some camcorders.
There are internal modem in both models.
Cardreaders are inside both of these laptops.
Disadvantage of both is lack of DVI output for connection to some modern TFT monitors.
Gateway MX6931 only has TV input.
Both came with XP Media Center .
Additional software is Works 8.5, Money 2006 on Gateway MX6931 and Works 8.5 on Sony Vaio VGN-FE660G.
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