Gateway MX6455 went with Turion64 2.0GHz central processor unit built in, and HP Compaq nx8220 with Pentium M740 1.73GHz.
Both models have the same 15.4" screen size.
For users who likes more memory Gateway MX6455 with 1GB is better than HP Compaq nx8220 with 0.5GB of memory.
Video card inside MX6455 is ATI X300 and other laptop has ATI X600 inside.
Graphic cards on HP Compaq nx8220 have its own memory (64MB) and therefore mainboard's memory controller works faster.
More storage for multimedia (mpeg, avi) were available at Gateway MX6455 (more space on hard drive).
Lack of bluetooth on Gateway MX6455 might mean that you need to buy externall bluetooth dongle for manipulating pictures from handy or camera.
Infrared connection has only HP Compaq nx8220.
No firewire on HP Compaq nx8220 unable them to connect to some camcorders.
HP Compaq nx8220 doesn't have PCMCIA.
Both laptops have cardreaders.
Disadvantage of both is lack of DVI output for connection to some modern TFT monitors.
The lack of webcamera in both models makes them bad in video conferencing.
Operating system is XP Media Center on Gateway MX6455 and XP Pro on HP Compaq nx8220.
Only Gateway MX6455 has some additional software : Works 8.5, Money 2006.
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