Yes, Drupal 8 is slower than Drupal 7 - here's why | Jeff Geerling
Submitted by admin on Mon, 12/05/2016 - 10:49
tl;dr : Drupal 8's defaults make most Drupal sites perform faster than equivalent Drupal 7 sites, so be wary of benchmarks which tell you Drupal 7 is faster…
