I was impressed with Cylance, so I made an image... Then I went back to my clean install image, and installed Avira IS 2019...I was shocked, it's just as responsive on my PC as Cylance. So concerning speed (on my PC... I-7 4820K 3.7GHz, RX480, 28g Ram). I have narrowed down the results as follows. 1). Cylance and Avira. 2). Gdata IS 2018 3). Comodo IS 4). Avast 2018 and Kaspersky 2018
All above default settings, except WFWC is Medium Filtering, with Notifications set to learning mode or I have no internet connection.
no ESET in a performance ranking Avira 1st, Gdata 2nd i had to look at the calendar to make sure it's not April 1st.