Is there graceful degradation in symmetric multi-processing (SMP) systems?

Question

Since graceful degradation is a fault-tolerant feature, is it true that in a multi-processor systems with symmetric multi-processing, there will be no graceful degradation?

Update: http://en.wikipedia.org/wiki/Fault-tolerant_system

Answer 1

It depends. Sun old enterprise SMP machines have graceful degradation, but most of cheap Intel and AMD systems doesn't