I've seen quite a few benchmarks comparing the two. Personally I'd suggest using a [headless Chrome driver](https://medium.com/@pyzzled/running-headless-chrome-with-selenium-in-python-3f42d1f5ff1d). https://hackernoon.com/benchmark-headless-chrome-vs-phantomjs-e7f44c6956c https://www.reddit.com/r/programming/comments/6y5q2i/headless_chrome_vs_phantomjs_benchmark/ https://www.gizra.com/content/phantomjs-chrome-docker-selenium-standalone/#advantages-of-headless-chrome-over-phantomjs
I've seen quite a few benchmarks comparing the two. Personally I'd suggest using a headless Chrome driver.
https://hackernoon.com/benchmark-headless-chrome-vs-phantomjs-e7f44c6956c
https://www.reddit.com/r/programming/comments/6y5q2i/headless_chrome_vs_phantomjs_benchmark/
https://www.gizra.com/content/phantomjs-chrome-docker-selenium-standalone/#advantages-of-headless-chrome-over-phantomjs