I highly doubt Intel could, server market look closely at perf/cost(price/power) so If AMD offer a better pref/cost product companies will buy them. Intel can have higher cost due to brand power and SW optimized for them but not by a high margin. Also in 2018 we will see Zen+ so AMD will have HW to compete. I don't expect the real answer to ryzen until 2019/20 where Intel will have time to develop and arq aim to fight zen instead of tweaking existing ones.