3 ms·Weird. I'm on a 2011 Lenovo desktop with an i5 and it ran smooth as butter.by qingcharles 2y agoWeird. I'm on a 2011 Lenovo desktop with an i5 and it ran smooth as butter.layer8 2y agoProbably Safari is at fault.kalleboo 2y agoYeah it was a slideshow in Safari on Mac, butter smooth in Chrome