Thanks to guys at AnandTech, that’s exactly what they did with Windows 10 build 9926 running on Core i7-860.
Here are the results:
As you can see from the picture above, Spartan (IE Experimental) offers a significant boost compared to IE11 although it was still not enough to beat Google Chrome 40 or Firefox 35 in some of the benchmarks.
[Via: AnandTech]
Source: http://www.favbrowser.com/benchmarks-internet-explorer-11-vs-spartan-vs-google-chrome-40-vs-firefox-35/