![]() ![]() Turbo Boost dynamically increases the clock speed based on circumstances predicated by demand, of course, but constrained by factors like thermal limits, how many cores are active, and so on. ![]() The eight-core processor has Turbo Boost up to 4GHz, while the other chips support Turbo Boost up to 4.4GHz. The base Mac Pro uses a Xeon W‑3223 processor with eight cores clocked at 3.5GHz, and four other processor options are available: a 3.3GHz 12-core Xeon W‑3235, a 3.2GHz 16-core Xeon W‑3245, a 2.7GHz 24-core Xeon W‑3265M, or a 2.5GHz 28-core Xeon W‑3275M. ![]() Launched in the second quarter of 2019, this is an optimised improvement over Intel's previous so-called 'Skylake' design and, while I sadly don't have space to go into all the details here, two important changes are support for 28 cores and memory capacities of 1.5TB at speeds of up to 2933MHz, as we shall see. The Workstation-class Xeon processors used inside the new Mac Pro models are based on Intel's 'Cascade Lake' micro-architecture.
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