I don’t think c states are worth it for the potential instability imo
Even at 5ghz when it’s idle and not doing anything it draws 13w
I do agree with that part, on my old x79 system the stock turbo on that CPU was 3.8GHz & with MCE on the vcore did get pretty high but I OCed it using sync all cores I used the negative offset on the vcore I got a rock solid 4.2GHz OC with less voltage than at the stock settings with MCE.
I run my systems 24/7 I rather have my CPU idle around 1.2GHz, 0.8v vs sitting at it’s max clock & vcore while I’m laying in bed sleeping, even if the power difference is not that much, if you have instability you didn’t do enough testing, either bump the voltage slightly, change LLC settings, or lower the clock speed a little.
I just turn mine off, even if I know I’ll only be gone for a little while. With an SSD for the OS, my computer takes about 8 seconds to boot and be useable.
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It’s not about the boot time, everyone really should be running their OS from a SSD in 2019. I just have a lot open normally, multiple VMs, tons of browser tabs, other programs & it hosts network drives that are accessed by my other systems.
This system I’m replying from right now has 3TBs of SSD storage, 2x 8TB hard drives in raid 1, 128GB of ECC memory @ 2933MHz, & a TR 2950X 16 core, 32 thread CPU.
It’s just one more thing you can eliminate.
Look at Jay’s newest video, even with a “large” difference in power usage the cost is minimal.
Looking at just 8w or 13w it’s like…what’s the point.
I also turn my PC off when not in use. So the difference is nearly non existent.