When comparing antiX vs ChromeOS Flex, the Slant community recommends antiX for most people. In the question“What are the best Linux distributions for an old machine?” antiX is ranked 6th while ChromeOS Flex is ranked 39th. The most important reason people chose antiX is:
Has a 70-90MB memory footprint.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Extremely lightweight
Has a 70-90MB memory footprint.
Pro Quick installation
The installation procedure for antiX is quick and painless. It installs the OS and grub in no time.
Pro Works well on 32-bit PC
Fewer distros are available to work on 32-bit machines. This works well on old Toshiba. Quick enough on older machines not to notice any lagging.
Pro Stats appear on the desktop
Pro Works very well on ASUS 1005HA netbook
Faster than other distros tested, including many on this list.
Pro Lightweight and fast
This is basically just Chrome OS which already runs on Cheap chrome books. It works well for web browsing and file storage on low end computers.
Pro You can try it via bootable USB
Cons
Con Not really free and not available for download in Iran
Con Limited hardware support
There is a list online of about 100 or so computers that officially support Cloud Ready, but it can also work on a laptop not on that list, results may vary.
Con Only really meant for web browsing
To use the software, you need to have a Google account and log in. Because it's meant for web browsing and researching, you won't find software like Steam, Office, Adobe Photoshop, Aftereffects, etc; or even a 3rd party browser other than Google Chrome.
Although there are plenty of alternative web browser online, and in the Chrome Web Store, which is still supported by Chrome OS.