Having issues with running stable OC?

[HunterAP]

First, here are my system specs:

Quote

CPU: Intel - Core i7-6700K 4GHz Quad-Core OEM/Tray Processor
CPU Cooler: Noctua - NH-D15 82.5 CFM CPU Cooler
Motherboard: MSI - Z170-A PRO ATX LGA1151 Motherboard
Memory: G.Skill - Ripjaws V Series 32GB (2 x 16GB) DDR4-2133 Memory
Storage: Samsung - 850 EVO-Series 500GB 2.5" Solid State Drive
Storage: Western Digital - BLACK SERIES 1TB 3.5" 7200RPM Internal Hard Drive
Storage: Seagate - Barracuda 2TB 3.5" 7200RPM Internal Hard Drive
Storage: Seagate - Barracuda 3TB 3.5" 7200RPM Internal Hard Drive
Storage: Western Digital - Gold 4TB 3.5" 7200RPM Internal Hard Drive
Video Card: EVGA - GeForce GTX 1080 8GB ACX 3.0 Video Card
Case: Fractal Design - Arc Midi R2 (Black) ATX Mid Tower Case
Power Supply: EVGA - SuperNOVA P2 650W 80+ Platinum Certified Fully-Modular ATX Power Supply
Case Fan: Noctua - NF-A14 PWM 82.5 CFM  140mm Fan

 

My issue is that I set my 6700K to run at 4.5GHz through running the Processor Core Ratio at 45x with a Core Voltage of 1.31. The problem is that the Intel Extreme Tuning Utility reports that the max speed of my process only goes up to 4.35GHz, where the only thing that could be a bottleneck is the "Current Limit Throttling" bar, which I assume is referring to the Core Voltage. The thing is, I'm pretty sure my system crashes when I try to raise the voltage any higher than the current value. Is this an issue with the mobo, the CPU, or am I overclocking my system improperly?

 

Interestingly, HWInfo and Task Manager report that my CPU does indeed run at ~4.5GHz, so I'm wondering if the issue is just the Intel XTU program itself.

[CrippledROBOT]

Just now, HunterAP said:

First, here are my system specs:

My issue is that I set my 6700K to run at 4.5GHz through running the Processor Core Ratio at 45x with a Core Voltage of 1.31. The problem is that the Intel Extreme Tuning Utility reports that the max speed of my process only goes up to 4.35GHz, where the only thing that could be a bottleneck is the "Current Limit Throttling" bar, which I assume is referring to the Core Voltage. The thing is, I'm pretty sure my system crashes when I try to raise the voltage any higher than the current value. Is this an issue with the mobo, the CPU, or am I overclocking my system improperly?

 

Interestingly, HWInfo and Task Manager report that my CPU does indeed run at ~4.5GHz, so I'm wondering if the issue is just the Intel XTU program itself.

When you raise the VOLTAGE higher the system becomes unstable? Or the core frequency? 

 

Also, are you trying to overclock in the BIOS or within the OS?

[HunterAP]

Just now, CrippledROBOT said:

When you raise the VOLTAGE higher the system becomes unstable? Or the core frequency? 

 

Also, are you trying to overclock in the BIOS or within the OS?

When I raise the voltage, the system locks up and it either reboots on it's own, or I have to manually power down the PC by holding down the power button. The OC settings are restored to what they were prior to the crash when I do this.

 

I originally OC'd in the BIOS, but downloaded the Intel XTU to make sure the settings actually applied and that everything was working well.

[CrippledROBOT]

1 minute ago, HunterAP said:

When I raise the voltage, the system locks up and it either reboots on it's own, or I have to manually power down the PC by holding down the power button. The OC settings are restored to what they were prior to the crash when I do this.

 

I originally OC'd in the BIOS, but downloaded the Intel XTU to make sure the settings actually applied and that everything was working well.

Do not use the one in Windows. I've found that XTU is extremely faulty. When it's crashing, its likely because the software is having trouble communicating with the BIOS. I (or anyone in the thread) can help you properly OC in the BIOS!

 

I am 90% sure that is your issue, especially if its VOLTAGE increases that are causing crashes.. Generally that doesn't cause a crash, just heat... UNTIL you take it so high that you kill the system!

[HunterAP]

I'm not entirely new to overclocking, I've had this system for about two years and am happy that it's at 4.5GHz and only OC'd it using the BIOS until today when I wanted to see if the Intel XTU could help me see what may cause my crashes.

 

As for my OC, is 1.31 on the Core Voltage good for 4.5GHz on a 6700K? I remember reading that it's a tad lower than what most people would use for that speed (most were saying 1.35v). I'm also not too concerned about temps since my Noctua cooler already keeps the CPU below 65c under full synthetic load, so I figured bumping up the frequency would help.

 

Also, is there a point to increase the Ring/Cache multiplier? I kept mine at 40x rather than 45x, but I'm not sure if it makes any difference.