Laptop Sony Vaio VGN-AR190G uses Core 2 Duo T7200 2.0GHz central processor unit, and laptop Sony Vaio VGN-AR190G uses Pentium M740 1.73GHz CPU.
We prefere 17 inch wide screen size at model Vaio VGN-AR190G than 15.4 built at model nx8220.
Although memory could easily be expanded, 1GB on Vaio VGN-AR190G versus 0.5GB on nx8220 might be significant difference.
2GB is maximum supportable RAM memory on both laptops
Both laptops use same RAM memory (DDR2).
Video card in use in Sony Vaio VGN-AR190G is Nvidia Go 7600GT and in HP Compaq nx8220 is ATI X600.
Video cards contains 256MB of memory on Sony Vaio VGN-AR190G, other laptop have less (64MB) of memory on its video card.
Sony Vaio VGN-AR190G had more capacity of hard drive (200GB, comparing to 60GB).
Bluetooth embedded in both laptop models allows them to communicate with other bluetooth devices like cameras, mobile phones and some computers.
If you have infrared enabled devices if you buy HP Compaq nx8220 you won't be enabled to communicate with them.
Only Sony Vaio VGN-AR190G have firewire needed for some camcorders.
PCMCIA isn't built in HP Compaq nx8220.
Fast network (1Gbit/s) could be used on full speed only by Sony Vaio VGN-AR190G.
Only HP Compaq nx8220 have cardreader inside.
These laptops don't have DVI output to allow you to see its screen on bigger modern TFT monitors.
Sony Vaio VGN-AR190G only has TV output.
Only Vaio VGN-AR190G has TV input.
Laptops are able to use standard 54Mbit/s wireless .
Only Sony Vaio VGN-AR190G has web camera useful for video conferencing.
Operating system on Vaio VGN-AR190G is XP Media Center and on nx8220 is XP Pro.
Only Sony Vaio VGN-AR190G has special software pack : Works 8.5.
Notable advantages of these laptops are : two hard disks of 120 in RAID for Sony Vaio VGN-AR190G and for HP Compaq nx8220.
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