Windows 8 incorrectly reading CPU and RAM speed

[Speedstack79]

I just got Windows 8 (only reason for this is because of the supposedly performance increase); whenever I open task manager the CPU speed changes just about every second from 2ghz all the way to 3.2 ghz even though I have my CPU to 3.5 ghz (overclocked)[Pentium e6300]. Also the CPU multiplier constantly changes from 6 to 10.5.

Windows 8 also reports the RAM speed to be 400 Mhz when it is actually 666 mhz(CPU-z has it correct)

 

So is the CPU actually running at 3.5 ghz? If it is not then do any of you know how to fix this?

[Godlygamer23]

Disable any power saving features and see if the issue disappears. Your CPU is throttling itself.

[Volbet]

Disable Intel speedstep 

[Speedstack79]

I have the power saving thing to high performance 

I went to the bios and disabled all power saving things and now it runs at a minimum speed of 3.16 ghz which is better, however I think it is just the task manager being stupid because when I run prime95 task manager says it never runs above 91% but speedfan says it is running at 100% and while running prime95(also when it is not running prime95) cpu-z reports that it is running at a constant 3.5ghz.