No comparison.
Rob Halford has one of the best voices in heavy metal music. An incredible career over 5 decades.
In 1998, Halford publicly revealed his homosexuality on MTV. He broke down in tears saying,
"It's a wonderful moment when you walk out of the closet. Now I've done that and I've freed myself. It's a great feeling for me to finally let go and make this statement—especially to The Advocate, because this magazine has brought me so much comfort over the years. Obviously this is just a wonderful day for me."*
* Wieder, Judy (2001). Celebrity: The Advocate Interviews.
He has lost his high notes now. Here is a summary of some of the classics from the Priest over the last 50 years.
Judas PriestDreamer Deceiver (1976 - Sad Wings of Destiny)https://www.youtube.com/watch?v=VctBmCmYQD4Out In The Cold (1986 - Turbo)https://www.youtube.com/watch?v=R6QaXKiCz4INo Surrender (2018 - Firepower)https://www.youtube.com/watch?v=vMU804-bjQA