In BenQ R23.G13 we've found Turion64 1.8GHz cpu and in Sony Vaio VGN-FE31Z we have a pleasure to find Core 2 Duo T5600 1.83GHz CPU.
Screen size at Sony Vaio VGN-FE31Z is quite larger with its 15.4" than BenQ R23.G13 with its 15".
Sony Vaio VGN-FE31Z laptop has better maximum screen resolution - 1280x800, in contrast to 1024x768 at BenQ R23.G13.
Sony Vaio VGN-FE31Z model we've tested had more RAM (2GB) than BenQ R23.G13 (0.5GB).
Vaio VGN-FE31Z allows maximum 2GB RAM - higher than R23.G13 (-1GB RAM).
Both models allows 3 running without power supply (on internall accumulator).
BenQ R23.G13 is a bit less heavier with its 2.8kg, comparing to 2.82kg.
More hard disk space were available at Sony Vaio VGN-FE31Z (200GB is contast to 60GB).
Mobile phones and cameras nowadays use bluetooth for sharing its multimedia data and they can connect only with Sony Vaio VGN-FE31Z using built in bluetooth connection.
Infrared isn't available on both models and therefore they cannot communicate with some small devices.
BenQ R23.G13 doesn't support firewire connections.
PCMCIA on BenQ R23.G13 unable them to connect to some TV cards for laptops.
For some rare location without proper Internet connection, you might need modem which is available in both laptops in this rating.
Small advantage of Sony Vaio VGN-FE31Z is built-in cardreader which reads 1 card types.
These laptops don't have DVI output to allow you to see its screen on some bigger modern monitors.
Existance of web camera in Sony Vaio VGN-FE31Z makes this notebook excellent for using in Internet telephony. Other laptop hasn't one.
Operating system is XP Home on BenQ R23.G13 and XP Media Center on Sony Vaio VGN-FE31Z.
Only Sony Vaio VGN-FE31Z has some additional software : Adobe Acrobat Elements 7.0, Works, Photshop Elements, DV Gate Plus, WinDVD, Roxio Digital Media SE7, Norton Internet Security 2006, Skype 2,0.
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