Processor in Acer TravelMate 4072NWLMi is Pentium M740 1.73GHz and in Sony Vaio VGN-FE31Z is Core 2 Duo T5600 1.83GHz.
Chipset used in Acer TravelMate 4072NWLMi is Intel 915GM and Sony Vaio VGN-FE31Z uses Intel 945PM Express.
Both TravelMate 4072NWLMi and Vaio VGN-FE31Z have 15.4" screen size.
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 TravelMate 4072NWLMi.
Acer TravelMate 4072NWLMi has less weight (2.75kg), comparing to 2.82kg on another .
Video card inside TravelMate 4072NWLMi is Intel 915GM and other laptop has Nvidia Go 7600 inside.
More hard disk space were available at Sony Vaio VGN-FE31Z (200GB is contast to 80GB).
Don't forget that you might not be able easily to upload/download pictures on Acer TravelMate 4072NWLMi from camera and mobile phone during the lack of bluetooth connection.
We dislike the fact that infrared isn't available on these laptops.
Firewire (IEEE 1394) isn't built in Acer TravelMate 4072NWLMi.
PCMCIA is available only on Sony Vaio VGN-FE31Z and it is needed by some TV cards and external modems.
Only Sony Vaio VGN-FE31Z have cardreader inside.
These notebooks don't have DVI output to allow you to see screen on bigger modern monitors.
The number of USB ports is 3 on both.
Only Sony Vaio VGN-FE31Z has web camera useful for video conferencing.
Operating system on Acer TravelMate 4072NWLMi is Linux and on Sony Vaio VGN-FE31Z is XP Media Center.
Only Sony Vaio VGN-FE31Z has special software pack : Adobe Acrobat Elements 7.0, Works, Photshop Elements, DV Gate Plus, WinDVD, Roxio Digital Media SE7, Norton Internet Security 2006, Skype 2,0.
More
Laptops comparisons:
BenQ R55.G24 vs Panasonic Toughbook CF-29.
Gateway MX6448 vs Gateway MX6455.
Acer TravelMate 4072NWLMi vs Acer TravelMate 4202WLMI.
Gateway MX6453 vs Gateway MX6448.
Sony Vaio VGN-FE660G vs Acer Travelmate 2312LM.
HP dv9008nr vs Toshiba Qosmio G35-AV660.
Asus Z5303JC vs Toshiba Satellite L100-1200.
Acer Aspire 5672WLMi vs LG S1-MDGBG.
HP dv9008nr vs Fujitsu-Siemens Amilo M3438G.
Gateway MX6446 vs Acer Aspire 9512WSMi Gamer.
Sony Vaio VGN-AR190G vs Gateway MX6455.
Sony Vaio VGN-FE28B vs Toshiba Satellite L100-1200.
Gateway MX3414 vs LG S1-MDGBG.
Microstar 262B vs Toshiba Qosmio G35-AV660.
Acer TravelMate 4652LMi vs LG S1-MDGBG.
Acer TravelMate 4202WLMI vs Panasonic Toughbook CF-29.
Gateway MX6455 vs Samsung M700-1860.