As someone with a CS PhD and 7 years in industry, I can tell you that they will teach you different stuff. Unsurprisingly. Hard to compare the "amount of knowle

As someone with a CS PhD and 7 years in industry, I can tell you that they will teach you different stuff. Unsurprisingly. Hard to compare the "amount of knowledge" though. Even if your only goal is becoming a good engineer it is not obvious to me what the best path is. Yes, you learn a lot in industry the first couple of years, but those things you will also learn when you enter industry after the PhD. So 4 years after a master you are definitely a better engineer if you went straight into industry. But 10 years after a master, comparing 10 years in industry vs 4 year PhD vs 6 year industry it's not as clear cut anymore.