The Google Search Analytics feature in the Google Search Console has added a new feature that let's you compare two different queries. You can access this by going to the Google Search Console, clicking on Search Analytics and then clicking on the Queries option and selecting "compare queries."
This was first spotted by Jonathan Jones and posted on Twitter.
This let's you basically compare two search phrases against each other.
Here is where you find the option:
Then this box pops up:
Then you enter the two phrases you want to compare:
Here is then the output that shows you those two queries:
Pretty neat feature Google!
Forum discussion at Twitter.