I have a Sapphire HD 5770 1GB (model#: 11163-02-20R) that has a faulty temp sensor.
In GPU-Z it reads three different temperatures.
At idle it would be like: 42C, 48C and 125C.
At load it would be like 72C, 78C and 125C.
The 125C would never change. I'm 99% sure it was faulty (and not...