Found this after removing and cleaning up with a stock Wraith Prism cooler from a PC Specialist build. How much of a hit will this have on cpu temps?
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This is a pic from my phone, so sorry it's not great. I am sure I can feel a slight protrusion of metal as it's slightly rough to the touch. I have it running and the temps seem ok, but not great.
Get some sandpaper and sand it. In fact a lot of people did that to their cpus back in the day to make sure the ihs was flat and smooth for perfect contact. I remember sanding a few cpus back in the day.
Thanks for all the great comments! I upgraded the cooler from the Wraith Prism to the Scythe Mugen 5 as gaming cpu temps were hitting 79 after an hour playing COD MW. It was in a crappy cheap case at the time, but even taking off the whole case side panel made no difference to temps. It now sits in a Lian Li 011 Dynamic case (not air cooled designed I know), but it has 9 120mm fans, which I have tried in various configurations. It has still hit 76 top with a 23 ambient. It generally runs several degrees lower than this as it was an unusually hot day here in the UK when it hit 76. I am confident that the thermal paste is good. It just seems to me that it should be running cooler. Is this due to the damage on the IHS?