If you have created multiple versions of an entry, you can compare any two versions side-by-side on the same screen. The color-coded comparison view helps you locate the difference between the two versions.
Likewise, you can also compare any two versions of different languages of an entry. For example, you can compare version 2 of ‘English - United States’ to version 4 of the entry in ‘German - Germany’.
To compare versions of an entry, open the entry page and then click the History link located on the top-right corner of the page, against the current version number. This will display a list of all the previous versions of the entry. Hovering on a particular version will display two options – 'View' and 'Compare'. Clicking on the ‘Compare’ option of a particular version will compare that version of entry to the version of entry that you are currently on. The ‘Compare Version’ page that opens will display the two versions of the entry.
At any point, you can change the versions or languages that you want to compare.