Core Duo T2400 1.83GHz was built in Sony Vaio VGN-SZ220 laptop comparing to Core Duo T2300 1.6GHz in Toshiba Satellite L100-1200.
Monitor in Toshiba Satellite L100-1200 is 15" size, better than 13.3" screen in Sony Vaio VGN-SZ220.
Maximum screen resulution on Sony Vaio VGN-SZ220 is 1280x800, which might prefer graphic experts rather than 1024x768 on Toshiba Satellite L100-1200.
If you want to run many programs at once 1GB of RAM on this Sony Vaio VGN-SZ220 is better than Toshiba Satellite L100-1200 with 0.5GB.
For people who travells frequently, Sony Vaio VGN-SZ220 might be better choise with 1.86kg in weight, comparing to 2.6kg weight with Toshiba Satellite L100-1200.
Graphic card inside Vaio VGN-SZ220 is Nvidia Go 7400 and other laptop uses Intel 945GM.
Gamers might prefer Sony Vaio VGN-SZ220 since it seems it has quite better graphic card with 128MB of its memory.
More hard drive space were at Sony Vaio VGN-SZ220 (120GB is contast to 60GB).
Mobile phones and cameras tends to use bluetooth for manipulating its multimedia data and they can easily connect only with Toshiba Satellite L100-1200 using built in bluetooth connection.
Infrared connection has only Toshiba Satellite L100-1200.
There are no firewire built-in on Toshiba Satellite L100-1200.
Only Sony Vaio VGN-SZ220 has PCMCIA.
Internal modem is available in both models and you will need it on some rare location without proper Internet connection.
Only model Vaio VGN-SZ220 have cardreader inside.
None has DVI output so you cannot connect them to some new TFT monitors.
Toshiba Satellite L100-1200 only has TV output.
Laptops are able to use standard 54Mbit/s wireless .
There are no web camera in both notebooks which makes them bad for video conferencing .
Operating system on Vaio VGN-SZ220 is XP Media Center and on Satellite L100-1200 is XP Home.
There are some special software suits and software packs with both : Microsoft Office OneNote 2003 with Toshiba Satellite L100-1200 and Works 8.5 with Sony Vaio VGN-SZ220.
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