Is there a big difference between Atom N450 and Atom N280?
(mini laptop)
Essentially, N280 is a 32-bit chip that only draws 2.5 watts. N450 is a 64-bit chip that draws 5.5 watts. Otherwise, they are the same speed and cache.
N280 was launched the first quarter of 2009, and N450 was launched the first quarter of 2010. So N450 is a newer design.
Comparison of specs here, 450 has integrated graphics