![]() ![]() With most workloads, the differences are modest even between 4 and 8-core CPUs. That assumes excellent software implementation with a scalable algorithm. Only with very specific multithreading-friendly workloads do 10/14/18 CPU cores get more done significantly faster than 8 or 10 cores. Three test examples follow, which illustrate that idea. Yet more CPU cores can be slower or offer only minor improvement-it all depends on the workload. The threshold of noticing any difference in performance is around 10%, so in theory 18 CPU cores sounds terrific: 18 versus 8 sounds like no contest. The 2017 iMac Pro has CPU options of 8/10/14/18 CPU cores, with 14 and 18 CPU cores being unprecedented for Apple Macs (12 was the previous max). Prelude: Why More CPU Cores Often Run no Faster, and Sometimes Slower than Fewer CPU Cores This page uses the compute command of diglloydTools MemoryTester to evaluate potential performance for the iMac Pro. Not sure which Mac to get or how to configure it? Consult with MPG. See the MPG recommendations for iMac Pro, backup, peripherals. Please order through our links via these companies and/or subscribe-thank you. The data on this page and others was painstakingly obtained, made possible by the support of OWC / and B&H Photo. ![]()
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