https://community.sony.hu/t5/x-series/xperia-x-performance-dual-f8132-cpu-cores-usage/m-p/3548736#M4826 <A href="https://community.sony.co.uk/t5/user/viewprofilepage/user-id/979251">@roloiii</A> yes it's absolutely normal. They will be activated only when it's necessary or when using demanding apps or games. Sun, 26 Mar 2017 17:23:41 GMT YoGem 2017-03-26T17:23:41Z https://community.sony.hu/t5/x-series/xperia-x-performance-dual-f8132-cpu-cores-usage/m-p/3548735#M4825 <P>Hi.</P><P>I'm&nbsp;just wondering if having two unused CPU cores is normal. I've been using this phone for a week but I rarely see the other two faster CPU cores being used even at 100% battery, despite&nbsp;turning off&nbsp;any power saving options.</P><P>&nbsp;Screenshots here: <A href="http://imgur.com/a/AxR2h" target="_blank" rel="nofollow noopener noreferrer">http://imgur.com/a/AxR2h</A></P><P>(Look at CPU2 and CPU3)</P><P>Thanks.&nbsp;</P><P>&nbsp;&nbsp;</P> Sun, 26 Mar 2017 17:03:08 GMT https://community.sony.hu/t5/x-series/xperia-x-performance-dual-f8132-cpu-cores-usage/m-p/3548735#M4825 roloiii 2017-03-26T17:03:08Z https://community.sony.hu/t5/x-series/xperia-x-performance-dual-f8132-cpu-cores-usage/m-p/3548736#M4826 <A href="https://community.sony.co.uk/t5/user/viewprofilepage/user-id/979251">@roloiii</A> yes it's absolutely normal. They will be activated only when it's necessary or when using demanding apps or games. Sun, 26 Mar 2017 17:23:41 GMT https://community.sony.hu/t5/x-series/xperia-x-performance-dual-f8132-cpu-cores-usage/m-p/3548736#M4826 YoGem 2017-03-26T17:23:41Z