Is the android one phones are better then normal android phone

I am buying new phone on android but confuse as the new phone with android one are coming so I want to know which is the best one.

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However, now coming to your question, first you have to give your budget, then also if there is any preference, Android ONE is nothing but hardware optimized Android . In other words, it is meant for specific hardware, which means it will be smoother, faster even on cheaper hardware.