Both of these models came with Core Duo T2400 1.83GHz central processor processor.
Sony Vaio VGN-SZ220 and Panasonic Toughbook CF-74 have same 13.3" screen size.
Graphic professionals might find Sony Vaio VGN-SZ220 model with its 1280x800 maximum screen resulution more preferable.
For users who likes more memory Sony Vaio VGN-SZ220 with 1GB is better than Panasonic Toughbook CF-74 with 0.5GB of memory.
Both laptops use same RAM memory (DDR2).
Video card inside Vaio VGN-SZ220 is Nvidia Go 7400 and other laptop has Intel 915GM inside.
Sony Vaio VGN-SZ220 seems to be better for gamers with 128MB of dedicated video memory.
More hard disk space were available at Sony Vaio VGN-SZ220 (120GB is contast to 80GB).
For some devices like phones and cameras, you might need bluetooth which initially contains in only in Panasonic Toughbook CF-74.
There are no infrared embedded in Sony Vaio VGN-SZ220.
Only Sony Vaio VGN-SZ220 have firewire.
PCMCIA isn't built in Panasonic Toughbook CF-74.
Cardreader is inside only Sony Vaio VGN-SZ220.
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 laptops cannot be connected to some new LCD monitors since they don't have DVI.
Both laptops are equipped with stardard 54Mbit/s wireless.
Operating system is XP Media Center on Sony Vaio VGN-SZ220 and XP Pro on Panasonic Toughbook CF-74.
Only Sony Vaio VGN-SZ220 has special software pack : Works 8.5.
Special adventages of these notebooks are : protection on temperatures, touchpad and touchscreen for Panasonic Toughbook CF-74 and for Sony Vaio VGN-SZ220.
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