Could you recommend a cooler please, so I can bookmark it!
What cooler are you using? Undervolting a CPU because of heat isn't necessarily a good solution. That's more of a band aid fix.
Wraith stealth cooler, stock that came with the CPU!
That's why your temps are high, the coolers that come with CPU's aren't that good and typically run processors on the hot side when under heavier loads such as gaming.
Your processor has a max operating temperature of 95c so 87c isn't anything that's going to ruin your processor. But I'd still recommend a better cooler if you can afford one
Could you recommend a cooler please, so I can bookmark it!