I7 6700k
I7 6700k
Hello everyone. I have an older PC that still runs very well. I won't be changing my 6700k yet so i wanted to overclock it which is a reason why i bought this CPU back then. PSU, case fans and case are not quite good and i'll be changing them soon. This is long and i'm not an expert so please bear with me.
PC: i7-6700K, Z170 Pro Gaming AURA, Hyper 212 EVO, 2x8 Fury 2666, HyperX Fury 240GB 2.5" SSD, Samsung 870 EVO 1TB SSD, WD Caviar Blue 1 TB 3.5", TT Smart 730 W 80+, GTX 1060, 2 stock case fans
I tried couple of different OC settings just changing ratio and vcore in manual mode. Ai overclock Tuner was set to XMP. I didnt try adaptive or offset modes until i get a stable system. I ran only Realbench benchmarks for these first 4 just to see how it goes step by step.
4.2Ghz at 1.250v 2 x Benchmarks OK
4.3Ghz at 1.250v 2 x Benchmarks OK
4.4Ghz at 1.250v 2 x Benchmarks OK
4.5Ghz at 1.300v passed 1 benchmark but BSOD happened after the second benchmark.
Temperatures were mostly fine for all tests with max at 71/72C but mostly between 60 and 70 when under load (for 4.2, 4.3 and 4.4).
After that BSOD i cant even go for 4.4Ghz with 1.250v or 1.275v. Benchmark passes well but AIDA64 stops saying "Hardware failure detected". It fails after 10 minutes at 1.250 and after 20minutes at 1.275. 4.2Ghz and 4.3Ghz at 1.250v still work well.
I just tried 4.5Ghz at 1.325v and i ran Realbench Benchmark and AIDA64. CPUZ showed vcore at 1.328 but AIDA64, AI Suite and HWmonitor show vcore at 1.344 and 1.360. Temperatures got higher with max at 83/84 while mostly being between 65 and 75. I stopped AIDA64 after 33 minutes while it failed at 4.4Ghz 1.275v after 20minutes. It seems stable but temperatures are high and i'd like core voltage to be lower.
Whatever ratio and vcore i set in Bios, vcore is shown a bit higher in AIDA64, HWmonitor and CPUZ but never drops when idling. When i revert to stock, set everything on auto and run benchmark and Aida64, vcore is above 1.3 (mostly 1.36 and 1.376) which i'm not happy about especially at 4Ghz. It does drop to 0.7/0.8 when idling.
Why is vcore always higher than vcore set in Bios?
Why is vcore at stock settings so high?
What type of adaptive/offset and LLC settings should i try?
Could i set lower vcore for 4.5Ghz and would that lower my temperatures to under 75 or so?
Should i do some other tests too?
I'm not trying to get to some high OC levels and chip might not be able to go far but i'd like to get 4.5Ghz at good temperatures and reasonable core voltage.
Any suggestions highly appreciated. Thanx and sorry for the long post.
6700K 4.50GHz – Not Tested, 1.376V, 100%
6700K 4.60GHz – Not Tested, 1.392V, Top 95%
6700K 4.70GHz – Not Tested, 1.408V, Top 68%
6700K 4.80GHz – Not Tested, 1.424V, Top 24%
https://siliconlottery.com/pages/statistics
The Hyper 212 is quite basic; it's hard to imagine achieving such low temperatures.
I have no need to lie about this. I performed a stress test at 4.5Ghz and 1.320v, with temperatures slightly higher than yesterday's test. Here are the readings during the stress test: AIDA and CPUZ values. The first was recorded after about 20 minutes, the second around 7 minutes. https://imgur.com/a/giopkRW View: https://imgur.com/a/giopkRW
It was on this setting. In first post i wrote about 4.2 4.3 and 4.4 which did get lower temperatures in Realbench benchmark which i specifically stated above. AIDA64 test does get higher temperatures. i'm running AIDA64 test right now at 4.4 and 1.280v and max was 78.
However benchmark max temp is 69 here's the screenshot of CPUZ after finishing the benchmark for same setting :
https://imgur.com/a/Emv3qYx
View: https://imgur.com/a/Emv3qYx
It's important to keep in mind that each CPU chip has slightly different tolerances for overclocking... some will perform better than others. Your system seems to be capped around 4.4ghz. But with all the variables involved, it really depends on how you adjust things, which you now clearly understand. When I had a nearly identical setup, I was only able to get my 6700k stable at 4.4ghz and 1.28v. Once I upgraded to a 280mm AIO cooler, I managed to push it up to 4.6ghz at 1.31v with temperatures around 55-60°C. You might want to reset everything to the original settings and try the Intel Extreme Tuning app, which worked well for me. Good luck!
Thanks for the response. I'm now fully aware of the numerous different configurations you need to consider before choosing one that fits your CPU, cooling, MB, or even if it might slightly stress the CPU while still being manageable. My cooling isn't great, so I suspect this is part of the issue, possibly linked to the PSU. I plan to lower the vcore by about 0.5 more to find the lowest stable voltage (1.300 isn't working). If that works and reduces temperatures, it could be acceptable since others have pushed their chips to higher voltages without worse temps. I'll also test using Intel Tuning, which I already have installed but haven't used yet. Thanks.
I only ran Realbench benchmarks for these initial four tests to observe the progress step by step. The temperatures were 4.2Ghz at 1.250v with two benchmarks, 4.3Ghz at 1.250v with two benchmarks, 4.4Ghz at 1.250v with two benchmarks, and 4.5Ghz at 1.300v which passed one benchmark but caused a BSOD after the second. Most tests stayed within safe limits, with maximums around 71/72°C, mostly between 60 and 70°C during load (for 4.2, 4.3, and 4.4).
Temperatures were recorded while using only Realbench benchmarks. What is stated reflects what CPUz displayed at that time, based on those benchmarks.
In my previous message, I shared a screenshot of the temperatures after running a 4.4 test with a vcore of 1.280 and a max temperature of 69°C.
I have no intention of misrepresenting anything; it aligns with my goal to achieve a more stable system with lower temperatures and vcore values.
If my language is unclear, I apologize. My aim is to provide accurate information.
Feel free to run Realbench benchmarks later at those settings after work, and I can send you the screenshots.
Thank you for your support.
After Realbench benchmark for 43/1.250v
https://imgur.com/rkVvhGP
See also: https://i.imgur.com/rkVvhGP.png
Post-Realbench, Intel Processor diagnostic tool and 13 minutes of Aida stresstest
https://imgur.com/vPME5eW
See also: https://i.imgur.com/vPME5eW.png