[plq]

There are many reasons why the current status quo won't change so soon and an important one is because ARM still lacks 64-bit addressing. Servers have long made the jump to 64-bit, so has most of the consumer-grade computers.

Without 64-bit support from its competitors, Intel doesn't have much to fear, especially in the datacenter space, where performance per watt is a powerful selling point.

[Mordor]

ARMv8 64-bit instruction set architecture announced last month, designs due next year. When should Intel become afraid?

[4ad]

Absolutely never solely because of this. Intel makes ARM CPUs. It's a very important player in the ARM market.