According to the Supreme Court, the Eighth Amendment forbids some punishments entirely, and forbids some other punishments that are excessive when compared to the crime, or compared to the competence of the perpetrator.\n\nAnswer this question: when may a non-capital sentence be considered to violate the 8th amendment?
Let’s work this out in a step by step way to be sure we have the right answer.
excessive when compared to the crime , or compared to the competence of the perpetrator
This is the relevant information: According to the Supreme Court, the Eighth Amendment forbids some punishments entirely, and forbids some other punishments that are excessive when compared to the crime, or compared to the competence of the perpetrator.

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Final answer: excessive when compared to the crime , or compared to the competence of the perpetrator