Actually, the temperature inside the computer case is not only dependent on temperature processor (CPU), but other components such as VGA, motherboard chipsets, too decisive. It also includes a fan or a fan would be very helpful in reducing the excessive temperature.
To detail the temperature of each processor type is usually described detail in the website vendors such as AMD and Intel processors. As an illustration, the following list is the processor and the approximate maximum temperature can you see here
Optimum temperature of the CPU (Processor) computer