Intel has launched the latest 64 Bit processor from Atom family called N450 on the first quarter of 2010. This N400 series has processor based of 1.66 GHz with L2 cache of 512 Kb which mostly same with other Atom processors family. But, the only difference is the instruction set which this is the first 64 Bit Atom processors and the highest value of transistor embedded in which the total is approximately 123 Million.

With lowest range of voltage operation about 0.9V-1.1625V compare to others Atom's Series, this processors support Intel Hyper Threading Technology and Enhanced Intel Speedstep Technology.

[Via Intel]