Laptop Sony Vaio VGN-FE660G has Core Duo T2300 1.6GHz central processor unit inside and notebook Asus Z5303JC has Core 2 Duo T5600 1.83GHz CPU.
Sony Vaio VGN-FE660G and Asus Z5303JC have same 15.4" screen size.
Inside both notebooks were 1GB of memory.
Sony Vaio VGN-FE660G supports more maximum amount of RAM (2) than Asus Z5303JC (-1GB).
Vaio VGN-FE660G weigths less with its 2.8kg than the another .
Graphic is built around Intel 950 on Vaio VGN-FE660G, but graphic on other is built using Nvidia Go 7300.
We like that graphic card on Asus Z5303JC have its own video memory (256MB) and therefore its faster since it doesn't use main memory and mainboard controller is less loaded.
Sony Vaio VGN-FE660G doesn't have infrared device.
Firewire is embedded in both allows them to communicate with other IEEE 1394 devices like some camcorders.
There are no PCMCIA on Asus Z5303JC.
Both laptops have built-in internal modem which you need somewhere where broadband internet isn't available.
Cardreader in both notebooks can read 5 different card types.
Disadvantage of both is lack of DVI output for connection to some modern monitors.
Laptops are able to use standard 54Mbit/s wireless connection.
Web camera is built in Asus Z5303JC (the another hasn't it) and it is useful for video conferencing.
Operating system is XP Media Center on Sony Vaio VGN-FE660G and XP Home on Asus Z5303JC.
Only Sony Vaio VGN-FE660G has special software pack : Works 8.5.
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