Wow... really. Did you come here to gloat? My flip phone is faster than my Note 7 and your iPhone, but much like your iPhone, I would far rather have my Note. I couldn't care less about opening 300 apps in 2 minutes. I like my features, and if they cost me speed, then so be it. The iOS system is getting very old, and stale. Its apps are tightly wrapped into the OS, because they control every little part of the OS, and leave no customization to the user.
If someone said iPhone OS or Touchwiz, but remember touchwiz is going to be slower, I would still take TW any time. Call me a fanboy, whatever, I like my phone.. its better than be an iSheep.
(Oh and this maybe news to you... but there have been several threads already on this video)