Pain is pain.
You can not compare one to another. There is no way. Both are pain. That is the base, what they have in common.
Each person will experience it completely differently.
To see someone in pain and say how you have seen others, who you judged to be in a worse situation or more pain, is a great injustice. And means you do not comprehend the base of this.
Pain is pain. It is that simple.