It's worth noting that node size refers to very different things between different manufacturers, we have very little idea about whats different/similar between

It's worth noting that node size refers to very different things between different manufacturers, we have very little idea about whats different/similar between TSMC/Samsung/Glofo/Intel's '10nm' nodes. It's very possible that TSMC and Samsung are using a less technically challenging (and potentially less technically capable) definition of 10nm than Intel. Or, it could be that TSMC and Samsung are actually technically ahead of Intel.