I don't use Prime95, as when I got the i5 4690K I noted on ROG forum that Raja@Asus (Asus techie) stated it can pull so much power through CPU = degradation. I set my CPU 4.9GHz @ 1.255V CACHE 4.4GHz @ 1.10V, ~1yr+ ago. I used 48 loops of x264 (~8hrs), first as that only loads CPU and was highlighted as a cool running AVX stress test (I'm on air). Next 4hrs RealBench Stress mode and must have done several hundred hours of f@h plus gaming in past year or so. No issues to report, from my method and my uses of PC, it is not uncommon for me to do 48hrs+ continuous f@h runs.
So on the Ryzen 7 1700 I'm using similar method. Just like when binning the 2x i5 4690K I looked out for what made my rig hiccup quicker when OC'ing, as if I sorted that then others fell into place. I went for RB first on 3.7GHz profile, but noted x264 was making CPU fall over quicker and requiring more VCORE, so for 3.8GHz I went for x264 first.
CPU: R7 1700
Mobo: C6H (FW 0902)
RAM: 2x4GB Corsair LPX 2400MHz C14 (was supposed be using G.Skill 2x16GB 3200MHz C14 but turned out faulty, waiting on RMA)
HSF: TR Archon SB-E X2 with TY-143
1st 2hrs RB Stress mode @ 3.7GHz ACB @ 1.18750V in UEFI (DMM 1.19V)
2nd 10 loops x264 (~1hr) @ 3.7GHz ACB @ 1.20625V in UEFI
Next I did a tweak to UEFI as some owners of C6H had on OCN stated to Ellmor (Asus MB R&D) that temps differed between ROMs.
1. Temperature readings on 0902 and pre 5803. We tweaked it a bit too far and will be reversed in future updates, you can manually go back to stock/5803 behavior by going to Tweaker's paradise and set Sense MI skew = Enabled and Sense MI offset = 272 (0902 setting when overclocked is 283). Reading too low can affect your DRAM stability, so if your system is reading less than 30*C I suggest you set it.
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3rd 10 loops x264 (~1hr) @ 3.8GHz ACB @ 1.29375V in UEFI
4th 2hrs RB Stress mode @ 3.8GHz ACB @ 1.29375V in UEFI
Now the weird readings in HWiNFO are down to SMU (On die controller) requiring an update via UEFI, source of information is Martin Malik, author of HWiNFO,
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