I found this from the AJC:
That's $23.1 million total.
Georgia Tech coach Geoff Collins’ seven-year contract averages $3.3 million and begins at $3 million for the 2019 season, about $152,000 less than former coach Paul Johnson was scheduled to make in this coming season. Collins’ pay will increase by $100,000 over the life of his seven-year...
www.ajc.com
I think 2018 was the last extension CPJ had which made the contract through 2022. 5 years, at about $3 million, that's a $15 million contract.
The contract extension for Georgia Tech coach Paul Johnson has been completed, Tech announced Friday afternoon. Athletic director Todd Stansbury and Johnson’s Atlanta-based agent Jack Reale had been working on the extension since the 2017 season and reached an agreement in principle in January.
www.ajc.com
Before that, he had a 6 year contract after 2014, so let's just say approximately $18 million total.
I think we overcommitted to Collins considering he didn't even have any proven success at Tech unlike CPJ after 2014. Many criticized this at the time. I think it was a fair cliticization. Obviously, Collins negotiated well, it is what it is...