Then from glances, I watched their RAM usage (sorted processes by memory usage as before). Here, I started my test by launching both browsers with the same number of tabs and opening the same sites in corresponding tabs as seen in the screen shot below. Having known Chrome for eating RAM, the following day, I decided to also compared its (Quantum’s) memory usage with Chrome as explained in the next section. Glances – Firefox High Memory Usageįrom the results above, Mozilla was rather misleading in telling users that Quantum uses less computer memory. Note that during the test, I did not run any other RAM-consuming applications apart from Firefox itself (so it was definitely the one consuming the most amount of RAM). Glances – Firefox Memory Usage IncreasingĪt the end of the day, Firefox had already consumed more than 70% off my system RAM as shown by the red warning-indicator in the following screen shot. Glances – Firefox Memory Usage MonitoringĪs I continued using Firefox through the day, the memory usage was steadily increasing as seen in the next screen shot. $ glancesĪfter launching Firefox and using it for close to half an hour with less than 8 tabs open, I captured a screenshot of glances with processes sorted by RAM usage shown below. I started by running glances and sorting processes by highest RAM usage before launching Firefox, as shown in the screenshot below. Under this tool, to sort processes by RAM usage, simply press m key. I performed a few tests using glances – a real-time Linux system monitoring tool, to view top process by RAM usage. If you open Quantum with just few tabs, let’s say up to 5, you’ll notice that memory consumption by Firefox is fairly good, but as you open more tabs and continue to use it for long, it tends to eat up RAM. Therefore I carried out an simple investigation to examine Quantum’s memory usage, and also tried to compare it to Chrome’s memory usage, using the following testing environment: Operating system - Linux Mint 18.0ĬPU Model - Intel(R) Core(TM) i3-3120M CPU 2.50GHzįirefox Quantum Eats RAM With Many Tabs Opened However, after I updated to Firefox Quantum, I noticed two significant changes with by far the biggest update to Firefox: first, it is fast, I mean really fast, and secondly, it’s greedy of RAM just like Chrome, as you open more tabs and continue to use it for a long time. Read Also: How to Install Firefox Quantum in Linux And according to the developers, it’s new with a “powerful engine that’s built for rapid-fire performance, better, faster page loading that uses less computer memory.” Recently, Mozilla released a new, powerful and faster version of Firefox called Quantum. On many Linux distributions such as Ubuntu, Linux Mint and many others, Firefox even comes installed by default. I have always preferred it to using Google’s Chrome, because of its simplicity and reasonable system resource (especially RAM) usage. For a long time, Mozilla’s Firefox has been my web browser of choice.
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