In both Sony Vaio VGN-AR230G and Asus Z5303JC we've found Core 2 Duo T5600 1.83GHz processor inside.
We think 17 inch screen at Vaio VGN-AR230G is better than 15.4 inch screen wide at Z5303JC.
Sony Vaio VGN-AR230G laptop have finer maximum screen resolution(1440x900) than other (1280x768).
The amount of RAM memory was 1GB on both laptops.
Sony Vaio VGN-AR230G supports more maximum amount of RAM (2) than Asus Z5303JC (-1GB).
Both laptops use same RAM memory (DDR2).
Z5303JC is significantly lighter with its 2.95kg weight, than Vaio VGN-AR230G with 3.81kg.
Graphic is built around Nvidia Go 7400 on Vaio VGN-AR230G, but graphic on other is Nvidia Go 7300.
Laptops have solid graphic performances, Asus Z5303JC contains even 256MB memory on its video card, the other product 64MB.
Sony Vaio VGN-AR230G had more hard drive space (200 GB) - definetly something which users who have habbit hold movies on it will certainly like.
For some devices like mobile phones and cameras, you might need bluetooth which initially contains in only in Sony Vaio VGN-AR230G.
Infrared isn't built in Sony Vaio VGN-AR230G, which is slightly disadvantage.
Firewire is embedded in both models allows them to communicate with IEEE 1394 devices like some camcorders.
PCMCIA on Asus Z5303JC unable them to connect to some TV cards .
If you sometimes travel to destination without broadband internet connection, you don't have to worry since both laptops have internal modems.
Both notebooks have cardreader. At Asus Z5303JC it reads 5 different card types and cardreader in Sony Vaio VGN-AR230G supports 1 different card types.
It is bad that these notebooks cannot be connected to some new TFT monitors since they don't have DVI.
Sony Vaio VGN-AR230G only has TV output.
Only Asus Z5303JC has web camera useful for video conferencing.
Operating system is XP Media Center on Sony Vaio VGN-AR230G and XP Home on Asus Z5303JC.
Only Sony Vaio VGN-AR230G has special software pack : Works 8.3, Adobe Photoshop Elements 4.0, Premiere Elements 2.0.
More
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Asus Z 9274 VM vs Toshiba Satellite A105-S4384.
Sony Vaio VGN-FS980 vs Toshiba Satellite P105-S9722.
Gateway MP8708 vs Acer Travelmate 2312LM.
Sony Vaio VGN-FS980 vs Gateway MP8708.
Acer Aspire 3681WXMI vs Asus Z5303JC.
Acer TravelMate 2414NWLMi vs Panasonic Toughbook CF-29.
Fujitsu-Siemens Amilo M3438G vs Samsung M700-1860.
Gateway MX3414 vs Samsung M700-1860.
Acer TravelMate 4652LMi vs Asus Z5303JC.
Acer Aspire 5672WLMi vs BenQ R55.G24.
HP dv8301nr vs Gateway MP6954.
Acer TravelMate 4202WLMI vs Acer TravelMate 4602WLMI.
Gateway MX6448 vs Samsung M700-1860.
Sony Vaio VGN-AR190G vs Sony Vaio VGN-SZ220.
HP dv9008nr vs Asus Z5303JC.
Acer TravelMate 4602WLMI vs HP Pavilion dv9056ea.