They perform quite worse: https://metrics.torproject.org/torperf.html?start=2018-05-15&end=2018-08-13&source=all&server=public&filesize=5mb https://metrics.tor

They perform quite worse: https://metrics.torproject.org/torperf.html?start=2018-05-15&end=2018-08-13&source=all&server=public&filesize=5mb https://metrics.torproject.org/torperf.html?start=2018-05-15... https://metrics.torproject.org/torperf.html?start=2018-05-15&end=2018-08-13&source=all&server=onion&filesize=5mb https://metrics.torproject.org/torperf.html?start=2018-05-15... You can see that for a 5MiB file, hidden services perform 2-3 times slower, I would put most of the blame on data having to travel through more hops when using hidden services.