Best Browser for core-m ux305?

I recently purchased a asus ux305 with a core-m cpu and I'm loving it. It has a fast 256gb ssd and 8gbs 1600mhz dual channel ddr3. The only gripe I have with this ultrabook is the cpu's power. Now it isn't bad by any means, but I wish it was a tad stronger. Nonetheless, it works great for everything I do. However, as a tweaker I wanted to know what's the best browser I could run on this ultrabook? I basically browse youtube, read articles and email via the browser. Nothing too intensive with ram not being too much of a problem I am simply looking for the least cpu intensive browser that I can find. I really don't care much about looks and extensions simply low cpu usage with solid functionality ram usage can be above average. I would also swap over to linux on this machine, but windows works well for what I need and I have already have other linux machines. Anyways any help would be appreciated.

Thanks in advance!

In all seriousness, probably the metro design Internet Explorer. If that's still too slow, try browsing the Microsoft Store for internet browsers.

Firefox is less resource intensive than Chrome/Chromium from my anecdotal experience. There are probably other lighter browsers, but Firefox does have addons and complies with most HTML5 standards.

I partly have to agree with you, IE is really the fastest, even fast enough on an Atom tablet with 1gb ram, but it does have problems.
DO NOT browse the Microsoft store, all the browsers there are just reskinned versions of IE.