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Ryzen 7 3800X, Boosting to above 4.5Ghz, and High Voltages, with PBO/Auto OC Disabled

Question asked by conraire on Jul 19, 2019
Latest reply on Jul 29, 2019 by conraire

Hello,

 

Tuesday I upgraded my CPU from a Ryzen 7 1700x, to a Ryzen 7 3800X.  The behavior I'm seeing is rather interesting.  I've double checked the bios/UEFI to ensure that PBO and Auto OC are both disabled.  What I'm seeing with hwinfo64, is that the cpu under light load will boost up to 4550Mhz, while only being rated for 4.5Ghz max boost.  I get the impression if I had an even better cooler it'd go higher on its own.  Other concerns are that the voltage peaks at 1.5v.  Is this normal behavior, or something I should be worried about?  Tctl/Tdie temps stay at safe levels under 80c, even under full load. 

 

System Specs:

Ryzen 7 3800X

ASRock Fatal1ty X370 Professional Gaming(Most recent bios, Agesa Combo 1.0.0.1)

16GB (2x8GB) G.Skill Flare X DDR4 3200 Cas14 (currently running at 3000 due to motherboard instability at 3200)

Corsair H100i V2 AiO

Corsair Carbide 600C Case

Sapphire Nitro+ R9 Fury

1x NVMe SSD

1x SATA III SSD

1x SATA III SSHD

Seasonic 850X Series gold cert 850W PSU

 

 

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