Cinebench isn’t available via the App store, but you can download it for free from the MAXON website. Geekbench is a useful tool for measuring your Mac’s CPU performance and memory speeds. Best apps for improving the performance of your gaming computer. There is also a graph of memory usage so errant memory-hogging apps can be discovered and vanquished. New MacBook Air.
When your system is acting sluggish or simply not responding, an app or process may be the source of the problem. You can use Activity Monitor to locate the troublesome app or process and force it to quit.
See how much energy your Mac is using
You can find out how much energy your Mac is using, and see which apps or processes are using the most energy.
See real-time CPU, network, or disk status in the Dock
It’s easy to keep an eye on your system status without even looking at the Activity Monitor window—you can monitor your CPU, network, or disk usage as a live graph right in the Dock.