Processor in Acer Aspire 3681WXMI is Celeron M410 1.46GHz and in Sony Vaio VGN-FE31Z is Core 2 Duo T5600 1.83GHz.
Chipset used in Acer Aspire 3681WXMI is Intel 945GM/PM Express and Sony Vaio VGN-FE31Z uses Intel 945PM Express.
Monitor in Sony Vaio VGN-FE31Z is 15.4" size, better than 14.1" screen in Acer Aspire 3681WXMI.
Maximum screen resolution (1280x800) is same on both laptops.
If you think you will need more memory then you'll known than 2GB on Sony Vaio VGN-FE31Z is better than 0.5GB on Acer Aspire 3681WXMI.
The RAM memory in use on both laptops is DDR2.
Around 2.5 is duration of accumulators built in both Acer Aspire 3681WXMI and Sony Vaio VGN-FE31Z.
Acer Aspire 3681WXMI is less heavier with its 2.35kg, comparing to 2.82kg.
Video card inside Aspire 3681WXMI is Intel GMA900 and other laptop has Nvidia Go 7600 inside.
More storage for multimedia (mpeg, avi) were available at Sony Vaio VGN-FE31Z (greater space on hard disk).
If you need bluetooth don't forget that it is available only at Sony Vaio VGN-FE31Z laptop.
No built-in infrared communication device in any laptops.
Firewire is available only on Sony Vaio VGN-FE31Z.
Both models have PCMCIA built-in needed by some TV cards for laptops.
If you sometimes travel to destination without broadband internet connection, you don't have to worry since both laptops have internal modems.
Unfortunatly, notebooks don't support fast network connections of 1Gbit/s.
Both laptops have cardreaders.
They don't have DVI for new LCD monitors.
Both laptops have 3 USB ports each.
Each laptop has 54Mbit/s wireless
Sony Vaio VGN-FE31Z has advantage in web camera which is very useful for Internet telephony .
Operating system on Acer Aspire 3681WXMI is XP Home and on Sony Vaio VGN-FE31Z is XP Media Center.
There are additional software only on Sony Vaio VGN-FE31Z and it is Adobe Acrobat Elements 7.0, Works, Photshop Elements, DV Gate Plus, WinDVD, Roxio Digital Media SE7, Norton Internet Security 2006, Skype 2,0.
More Information
More
Laptops comparisons:
BenQ S53W.G01 vs Sony Vaio VGN-FE28B.
Acer TravelMate 8204WLMI vs Samsung X11-T5500 CeSeba.
Gateway MX6453 vs Microstar 262B.
Gateway MX6453 vs BenQ R55.G24.
Sony Vaio VGN-AR190G vs HP Compaq nx8220.
Sony Vaio VGN-FE770G vs Sony Vaio VGN-AR230G.
Gateway MX6455 vs Acer TravelMate 4072NWLMi.
HP dv8301nr vs Gateway MX6931.
Acer TravelMate 4072NWLMi vs Samsung M700-1860.
Gateway MX6453 vs Sony Vaio VGN-AR230G.
Gateway MX6931 vs HP Compaq nx8220.
Acer Aspire 5672WLMi vs Panasonic Toughbook CF-74.
Acer TravelMate 2414NWLMi vs Acer TravelMate 4072NWLMi.
Acer TravelMate 4652LMi vs BenQ R23.G13.
Gateway MX6448 vs HP Pavilion dv9056ea.
Sony Vaio VGN-FE770G vs BenQ R55.G24.
Sony Vaio VGN-FE660G vs Acer TravelMate 4202WLMI.
Sony Vaio VGN-FE31Z vs Toshiba Satellite M60-182.