Laptop Sony Vaio VGN-AR230G uses Core 2 Duo T5600 1.83GHz CPU, and notebook Sony Vaio VGN-AR230G uses Turion64 1.8GHz processor.
We think 17 inch screen at Vaio VGN-AR230G is better than 15 inch screen wide at R23.G13.
Sony Vaio VGN-AR230G notebook has better maximum screen resolution - 1440x900, in contrast to 1024x768 at BenQ R23.G13.
Sony Vaio VGN-AR230G model we've tested had more RAM (1GB) than BenQ R23.G13 (0.5GB).
Vaio VGN-AR230G allows maximum 2GB RAM - higher than R23.G13 (-1GB RAM).
Both laptops use same RAM memory (DDR2).
Weight of BenQ R23.G13 is only 2.8kg, but Sony Vaio VGN-AR230G is heavier with its 3.81kg.
Sony Vaio VGN-AR230G had more hard drive space (200 GB) - definetly something which users who plan to hold movies on it will like.
We dislike the fact that bluetooth isn't available on these laptop models.
These laptops have disadvantage of communication with some infrared only devices like some models of mobile phones.
No firewire on BenQ R23.G13 unable them to connect to some camcorders.
PCMCIA isn't built in BenQ R23.G13.
Cardreader is inside only Sony Vaio VGN-AR230G.
Disadvantage of both is lack of DVI output for connection to some modern TFT monitors.
Only Vaio VGN-AR230G has TV output.
Both notebooks are equipped with stardard 54Mbit/s internal wireless.
Internet telephony is better with web camera but these notebooks hasn't one .
Vaio VGN-AR230G drives XP Media Center and R23.G13 drives XP Home operating system.
There are additional software only on Sony Vaio VGN-AR230G and it is Works 8.3, Adobe Photoshop Elements 4.0, Premiere Elements 2.0.
More
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Panasonic Toughbook CG-18 vs Toshiba Satellite A105-S4384.
Gateway MX6446 vs BenQ R23.G13.
Sony Vaio VGN-FE770G vs Acer TravelMate 4652LMi.
Samsung X11-T5500 CeSeba vs Sony Vaio VGN-FE28B.