Just for kicks I ran this on a few devices
<a href="http:&#x2F;&#x2F;browserbench.org&#x2F;JetStream&#x2F;" rel="nofollow">http:&#x2F;&#x2F;browserbench.org&#x2F;JetStream&#x2F;</a><p>An iphone 6 gets ~65<p>iphone 6s gets ~120<p>ipad pro ~130<p>new Macbook Pro (safari, haswell i7) ~210<p>Not scientific, but last years phone was half as powerful, in two years the 7s will also have a jump in performance. I don&#x27;t think an intel system will have anywhere near as large as a jump since we&#x27;re bumping against the limit of how fast a single core can be.