Laptop Panasonic Toughbook CF-74 uses Core Duo T2400 1.83GHz CPU, and notebook Panasonic Toughbook CF-74 uses Core 2 Duo T5600 1.83GHz CPU.
Chipset used in Panasonic Toughbook CF-74 is Intel 915GM and Sony Vaio VGN-FE31Z uses Intel 945PM Express.
We like more Sony Vaio VGN-FE31Z 15.4" inch screen than Panasonic Toughbook CF-74's 13.3" size.
Sony Vaio VGN-FE31Z laptop has better maximum screen resolution - 1280x800, in contrast to 1024x768 at Panasonic Toughbook CF-74.
For customers whose need more RAM we've found Sony Vaio VGN-FE31Z with its 2GB better than 0.5 GB on Panasonic Toughbook CF-74.
Both Panasonic Toughbook CF-74 and Sony Vaio VGN-FE31Z laptops have same amount of maximum supportable RAM memory - 2GB.
Both laptops use same RAM memory (DDR2).
No empty RAM slots on both laptops.
Both models are allowing 3 running without power supply (on internall accumulator).
Video card in use in Panasonic Toughbook CF-74 is Intel 915GM and in Sony Vaio VGN-FE31Z is Nvidia Go 7600.
Sony Vaio VGN-FE31Z had more capacity of hard drive (200GB, comparing to 80GB).
Mobile phones and cameras tends to use bluetooth for sharing its multimedia data and they can easily connect only with Sony Vaio VGN-FE31Z using built in bluetooth connection.
No infrared.
Panasonic Toughbook CF-74 doesn't support firewire connections.
There are no PCMCIA on Panasonic Toughbook CF-74.
Both laptops have built-in internal modem which you need somewhere where broadband internet isn't available.
Cardreader is inside only Sony Vaio VGN-FE31Z.
Floppy drive is embedded in Panasonic Toughbook CF-74, but we see this as disadvantage since floppy disks are unreliable and obsolete.
It is bad that these notebooks cannot be connected to some new TFT monitors since they don't have DVI.
Both notebooks are equipped with 54Mbit/s wireless.
Sony Vaio VGN-FE31Z has advantage in web camera which is very useful for Internet telephony with video.
Toughbook CF-74 drives XP Pro and Vaio VGN-FE31Z drives XP Media Center operating system.
Only Sony Vaio VGN-FE31Z has some additional software : Adobe Acrobat Elements 7.0, Works, Photshop Elements, DV Gate Plus, WinDVD, Roxio Digital Media SE7, Norton Internet Security 2006, Skype 2,0.
Notable advantages of these notebooks are : protection on temperatures, touchpad and touchscreen for Panasonic Toughbook CF-74 and for Sony Vaio VGN-FE31Z.
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