AMD Athlon x4 840

Dec 15, 2018
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Hello guys!

I want to try overclocking my CPU - AMD Athlon x4 840 (3.1GHz clockspeed and turbo at 3.8GHz).

I've installed AMD OverDrive and the CPU multiplier can go up to 33x. I know that 200MHz isn't much, but I want to know if it's safe to do with a stock cooler and do I need to increase the voltage?

Also, the turbo OC says that turbo is 33x and that it can be brought up to 37x while the turbo clockspeed is maximum 3.8GHz?