Sony Vaio VGN-SZ220 went with Core Duo T2400 1.83GHz processor built in, and BenQ R23.G13 with Turion64 1.8GHz.
We think that R23.G13 has better screen with its 15" inch size than Vaio VGN-SZ220 with its 13.3" large screen.
Sony Vaio VGN-SZ220 notebook has better maximum screen resolution - 1280x800, in contrast to 1024x768 at BenQ R23.G13.
Sony Vaio VGN-SZ220 came with more RAM memory - 1GB comparing to 0.5GB on BenQ R23.G13.
The RAM memory in use on both laptops is DDR2.
Vaio VGN-SZ220 is significantly lighter with 1.86kg weight, than R23.G13 with 2.8kg.
Sony Vaio VGN-SZ220 laptop is more suitable with its 120GB hard disk for storing bunch of media files like music and movies.
Bluetooth dongle available only at BenQ R23.G13 is usefull if one have other bluetooth devices like cameras, phones, etc.
Infrared connection has only BenQ R23.G13.
There are firewire built-in only on Sony Vaio VGN-SZ220.
Only Sony Vaio VGN-SZ220 has PCMCIA.
Only Sony Vaio VGN-SZ220 have cardreader inside.
None has DVI output so you cannot connect them to some new monitors.
These notebooks aren't really good for video conferencing because they haven't web camera embedded.
Operating system is XP Media Center on Sony Vaio VGN-SZ220 and XP Home on BenQ R23.G13.
Only Sony Vaio VGN-SZ220 has some additional software : Works 8.5.
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