Gateway MX6455 went with Turion64 2.0GHz CPU built in, and Sony Vaio VGN-FE31Z with Core 2 Duo T5600 1.83GHz.
Chipset inside Gateway MX6455 is ATI XPRESS 200M but in Gateway MX6455 is Intel 945PM Express.
On both models screen size is 15.4".
If you think you will need more memory then you'll known than 2GB on Sony Vaio VGN-FE31Z is better than 1GB on Gateway MX6455.
On both laptops in use is DDR2 memory.
Sony Vaio VGN-FE31Z is a bit less heavier with its 2.82kg, comparing to 2.9kg.
Video card inside MX6455 is ATI X300 and other laptop has Nvidia Go 7600 inside.
Sony Vaio VGN-FE31Z laptop is more suitable with its 200GB hard disk for storing bunch of media information like music and movies.
Fast hard disk (5400 rpm) on Sony Vaio VGN-FE31Z beats another model.
Disadvantage of Gateway MX6455 is lack of bluetooth device which you need for some mobile phones and cameras.
Gateway MX6455 have lack of infrared device.
Both models have firewire built-in needed by some video devices.
None of these notebooks suports 1Gbit/s network speed.
These notebooks have cardreaders inside them.
None has DVI output so you cannot connect them to some new TFT monitors.
Sony Vaio VGN-FE31Z has advantage in web camera which is useful for Internet telephony with video.
Both of these laptops came with XP Media Center .
Sony Vaio VGN-FE31Z came with Adobe Acrobat Elements 7.0, Works, Photshop Elements, DV Gate Plus, WinDVD, Roxio Digital Media SE7, Norton Internet Security 2006, Skype 2,0 as additional software, and Gateway MX6455 came with Works 8.5, Money 2006.
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