Intel Irritation

I still haven't received the call from Intel saying that I am not what they are interested in, but I did talk to someone who had a phone interview for the same position as me and his experience was completely different than mine. He had the person he was expecting interview him as oppose to a random person who wouldn't say there name. Unlike with my interview the questions he was asked were strait forward. I would have done well with his interview which was completely different questions, but instead I had mine which was horrible. Many of the questions were involving similar or even the same topics, but they were asked in radically different ways. Examples:
He was asked things like: Explain what a diode is made up of. & What is a pointer in C programming?
I on the other hand was asked about similar topics with questions like: What are all the voltage levels for the ____ diode? & If ____ is being sent to a ____ function with _____ and _____ then what do you do? And those are the questions that I actually had an understanding of what he was even asking. Many others were worse.
From what I could tell other people had normal interview experiences and questions while I get the mumbled trick questions from someone who just wanted to get off the phone.
Why would they have such radically different interviews for the same thing?