<story><title>MacBook gets a Skylake speed boost, 8GB of memory, longer battery life</title><url>http://techcrunch.com/2016/04/19/skylake-when-it-crumbles-we-will-stand-tall-face-it-all-together-at-skylake/</url></story><parent_chain><item><author>cmiller1</author><text>I found this statement interesting.&lt;p&gt;&amp;gt;The new guts are getting you better performance but also better battery life with what Apple says is 10 hours of web browsing or 11 hours of iTunes movie playback.&lt;p&gt;Movie playback used to be considered the de facto test of the most rigorous power use a computer would go through.  Spinning DVDs and hard drives have been replaced with SSD, hardware accelerated decoding of video has replaced maxing out your CPU.&lt;p&gt;On the other hand, web browsing used to be considered a light use of power.  Pull some network content into memory, parse some basic html, etc.  Now with javascript EVERYWHERE and the rising complexity of web pages, web browsing has become one of the most taxing things you can do as far as power use is concerned.  In fact, on my MacBook Pro now that OS X tells you which processes are using the most power, web browsers like Safari and Chrome are the only thing I ever see show up in &amp;quot;Apps using significant energy&amp;quot;</text></item></parent_chain><comment><author>massysett</author><text>Indeed, I use Safari because it seems neither Firefox nor Chrome are optimized at all for battery usage.  Chrome is a huge power hog.&lt;p&gt;I wonder if it&amp;#x27;s the same on the Windows side; has Microsoft optimized IE (or the new browser, whatever it&amp;#x27;s called) for power usage?</text></comment>
<story><title>MacBook gets a Skylake speed boost, 8GB of memory, longer battery life</title><url>http://techcrunch.com/2016/04/19/skylake-when-it-crumbles-we-will-stand-tall-face-it-all-together-at-skylake/</url></story><parent_chain><item><author>cmiller1</author><text>I found this statement interesting.&lt;p&gt;&amp;gt;The new guts are getting you better performance but also better battery life with what Apple says is 10 hours of web browsing or 11 hours of iTunes movie playback.&lt;p&gt;Movie playback used to be considered the de facto test of the most rigorous power use a computer would go through.  Spinning DVDs and hard drives have been replaced with SSD, hardware accelerated decoding of video has replaced maxing out your CPU.&lt;p&gt;On the other hand, web browsing used to be considered a light use of power.  Pull some network content into memory, parse some basic html, etc.  Now with javascript EVERYWHERE and the rising complexity of web pages, web browsing has become one of the most taxing things you can do as far as power use is concerned.  In fact, on my MacBook Pro now that OS X tells you which processes are using the most power, web browsers like Safari and Chrome are the only thing I ever see show up in &amp;quot;Apps using significant energy&amp;quot;</text></item></parent_chain><comment><author>blumentopf</author><text>I assume the videos available on iTunes are encoded in an H.264 profile that can be decoded entirely on the GPU, so the CPU would indeed be mostly idling during playback.</text></comment>