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The server chips tend to be sold with a lower base clock than the consumer equivalents. If you underclock your consumer CPU to whatever the server equivalent c
by jrockway 6y ago
The server chips tend to be sold with a lower base clock than the consumer equivalents. If you underclock your consumer CPU to whatever the server equivalent currently is, you aren't going to see much throttling under any workloads. But you're also going to be the guy that has a 2.2GHz processor when all your friends claim to have a 5GHz processor.
In my experience, the limiting factor tends to be power delivery. I had a 6950x that I overclocked and I could get it to consistently hard crash just by starting an AVX task. My filesystems did not appreciate that! (I eventually spent a ton of time debugging why that happened, and it was just that the power supply couldn't keep the 12V rail at 12V. Turns out that Intel knows what sort of equipment is out on the market, and designed their chips accordingly. I did upgrade the power supply (1200W Corsair -> 850W Seasonic Prime) and got stable AVX without downclocking. But the whole experience killed overclocking for me. It just isn't worth the certainty that your computer will crash for no good reason at random times.)