When comparing atop vs Stacer, the Slant community recommends Stacer for most people. In the question“What are the best system monitors for Linux?” Stacer is ranked 4th while atop is ranked 7th. The most important reason people chose Stacer is:
Ranked in these QuestionsQuestion Ranking
Pro All in one
Better than top, htop and iotop
Pro Better than htop, top, and iotop
Highlights bottlenecks, so you know what's creating wait states.
Pro Complete and flexibe
Has a ton of possible profiles to show exactly what you need to monitor.
Pro Good GUI
Pro Fast and lightweight
While older versions of Stacer were built with Electron, it's now been ported to C++ and Qt, which makes it fast and light on resources.
Pro Feature rich
Stacer also lets you clean junk from your system, enable/disable startup of background services at boot time, etc.