It actually becomes even more confusing because there are "logical" and "physical" cores. For example the i7 processor in my MacBook Pro (13-inch, 2017, Four Thunderbolt 3 Ports) has four "logical" cores running on two "physical" cores. Marcel Bresink's excellent System Monitor will selectively show total activity or the activity in each logical core. P1, P2, P3, & P4 in this image.
How many cores in an i7? addressed physical and virtual/logical cores, and likewise, MenuMeters shows my present quad core as having eight cores. (Like this.)
It's personal taste, of course, but I much prefer the MenuMeters presentation to that of SystemMonitor. (Unlike SM's "total activity" option, though, MM's option is for one icon showing average activity.)
Last edited by artie505; 12/27/1712:16 AM. Reason: Correction
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