Earlier quoted context omitted.
I use a core i7-920 from first generation that I recently changed with a Xeon compatible socket and another i7-3770 from third generation as daily drivers. And I do some gaming with non-intensive games. The computer works perfectly with no major drawbacks. The third generation is noisy because it is in a small format case and with very deficient ventilation that I can't solve.
Did you try to at least remove the dust/dirt which tends to clog those parts over these timespans? With forced air from a pressured can to blow it out, or the other way around with a vacuum cleaner? (But arrest the fan, or unplug it while doing so, if possible! Otherwise it can spin like crazy and working as a generator, even frying the controller!) Furthermore the cooling paste/glue/mat between the die, or the lid o…
But the machine is still noisy. I also got a nvidia 1050ti small format into it, and it completely breaks the small flow path that exist. The flowpath is provided with the cpu fan and a plastic piece to redirect the flow.
Lately is having some very nasty blue screen of death. That when I look online they say might be produced by the RAM failing. But running mem86+, one stick at a time and both stick together, always pass with 0% error. So I am getting out of ideas.