Enabling the Intel 200S Boost Overclocking Profile will, apparently, result "in a performance boost for low-latency workloads ...

This approach might have worked for some of the earlier CPUs I used — Intel Core 2 Duo, AMD FX-6300 ... behavior that I assumed was normal for a gaming PC was simply a result of ignored fan ...

(see Intel microarchitectures). Prior to the i series, the 64-bit Core 2 family, introduced in mid-2006, was a major departure from the previous Core Duo chips. Using the Penryn microarchitecture ...