Meanwhile, Firefox has been much more above board. Is Firefox more efficient than Chrome?Ĭhrome - and indeed Google, itself - is well known for disregarding its users’ privacy. However, from my experience on both a Mac and Windows 10 machine, Firefox actually uses more RAM than Chrome, meaning it takes fewer tabs and windows before it starts digging into your performance. In Chrome, more more open tabs and extensions means more RAM usage, which in turn means a hit to performance. Why does Chrome use more RAM than Firefox? Which is better Microsoft Edge or Firefox?.Is Google Chrome any better than Firefox?.