FUD Zilla reports Intel is working on two new Atom processors with DDR3 support, these new chips are expected to arrive in the second half of the year.
There will be two CPUs, one Atom N475 clocked at 1.83GHz but supporting DDR3, and the N455 work at 1.6GHz, but unlike the N450 it will support DDR3 memory. This will be the only difference as Atom N455 stays at 5.5W TDP, while N475 stays at 6.5W.