Key Points to Overclock Zen 2 & 3, Ryzen 3000 & 5000 Series CPU's. Settings are from @AMD & @1usmus and recommended CPU Options for High Performance Power Plan by them for Zen 2/Ryzen 3000 CPU's. Precision Boost Overdrive (PBO) and PBO Stilt in in BIOS (option D). This in my opinion makes the best set it and forget it overclocks for Zen 2 and Zen 3 CPU's (Ryzen 3000 series and Ryzen 5000 series). It combines all the best OC up and down throttle features of the CPU and Motherboard and no messing around in Windows' AMD Ryzen Master. On an AMD 3700X with stock cooler (dirty) ALL of my cores typically go up to 4.35 GHz by themselves using these settings and will do much better with better cooling. See my video below showing how/where to set these BIOS Options. BTW, time to clean my CPU cooler.

A. Set the DOCP/XMP Memory Profile or overclock your memory separately. Where Zen 2/Ryzen 3000 comfortably went up to 3600Mhz on DOCP/XMP settings, the Ryzen 5000 may go up to 3800 MHz on DOCP/XMP settings more easily without the Infinity Fabric Divider jumping to 2:1 after 3800 MHz. @Thracks of @AMD says memory can go up to 4000MHz if you have a really good sample without the latency/infinity fabric doubling, but this will be far from the norm. See More . . .

B. Set the Below UEFI BIOS Options. Not all motherboards have them available to change: @AMD & @1usmus Recommended CPU Settings for High Performance Power Plan

   1.  Global C-state Control = Enabled (Advanced\AMD CBS)
   2.  CPPC = Enabled (Advanced\AMD CBS\NBIO Common Options\SMU Common Options)
   3.  CPPC Preferred Cores = Enabled (Advanced\AMD CBS\NBIO Common Options\SMU Common Options)
   4.  AMD Cool'n'Quiet = Enabled (Advanced\AMD CBS\NBIO Common Options\SMU Common Options\DF Cstates = Enabled for Less Power or Disabled for Always More Power about 100 point difference in Cinebench R20)
   5.  Power Supply Idle Control = Low Current Idle (Advanced\AMD CBS\CPU Common Options)
   6.  PPC Adjustment = PState 0
    (Advanced\AMD CBS\NBIO Common Options\SMU Common Options\APBDIS = 1
    AND
    (Advanced\AMD CBS\NBIO Common Options\SMU Common Options\Fixed SOC Pstate = P0)

C.  You DO NOT need to enable OC Tuner or Auto-Overclock in your motherboard BIOS. This generally sets an all-core OC and DOES NOT control the CPU UPS (boosts) and DOWNS of the CPU (Boost Up and Throttle Back Down). It's just better to let the CPU and PBO handle the boost, along with the BIOS options above. Otherwise if you know the limits of your CPU, you can set CPU speed manually (all core overclock) once you learn what your cores top speeds are, but you will always be consuming max power and will probably need more cooling to get just a little bit higher.

D. Enable Precision Boost Overdrive in UEFI BIOS. Allow it to run from the BIOS/Motherboard control. This is much easier than setting in AMD Ryzen Master manually in Windows; just enable these BIOS Options and don't mess with Ryzen Master in Windows except to experiment.

   1. PBO: Ai Tweaker or Extreme Tweaker on Asus mobo's\Precision Boost Overdrive, Accept\Precision Boost Overdrive = Enabled

   2. PBO Stilt: Ai Tweaker or Extreme Tweaker on Asus mobo's\Precision Boost Overdrive, Accept\PBO Fmax Enhancer = Enabled

   3. PBO: Advanced\AMD Overclocking\Precision Boost Overdrive = Enabled

   4. PBO: Advanced\AMD CBS\NBIO Common Options, Accept\XFR Enhancement\ Precision Boost Overdrive = Enabled

   5. PBO Stilt: Advanced\AMD CBS\NBIO Common Options, Accept\XFR Enhancement\PBO Fmax Enhancer = Enabled

The Asus X570 Crosshair VIII Dark Hero has an addition option of Dynamic OC Switcher in the CPU Core Ration (per CCX) menu to further enhance.

E. Enable Windows Power Plan inside Windows 10: AMD High Performance Power Plan (for Ryzen 3000). This allows Windows to NOT downgrade the settings we just changed. According to @AMD,  a power plan isn't even needed for the Ryzen 5000 CPU's and they aren't going to release one for it. They say to just update their chipset drivers and you can still tweak the Windows Power Plan. Robert Hallock (for Ryzen 5000) said, "Followup thought for the day: if there's no AMD Ryzen Balanced Power Plan, what's used? Win10 ships with multiple power plan options. The "Balanced (recommended)" is the Windows default for all CPUs & selected at install. That's what Ryzen 5K will use. Just install & enjoy."

PBO Fmax Enhancer Reference:

https://www.overclock.net/threads/asus-rog-x570-crosshair-viii-overclocking-discussion-thread.1728796/page-145#post-28627007

https://developer.amd.com/wp-content/resources/56745_0.80.pdf
https://hpcadvisorycouncil.atlassian.net/wiki/spaces/HPCWORKS/pages/1280442391/AMD+2nd+Gen+EPYC+CPU+Tuning+Guide+for+InfiniBand+HPC

@1usmus Custom High Performance Power Plan
https://www.techpowerup.com/review/1usmus-custom-power-plan-for-ryzen-3000-zen-2-processors/2.html

@AMD  Custom High Performance Power Plan: Robert Hallock on PC World discussing 3950X launch and new 3rd Gen Threadrippers. He states to use the above optimal settings starting at 1:24:32
https://youtu.be/NRSUYBjlBXw?t=5071

NEW FIXED OC UEFI/BIOS for Asus TUF Gaming X570-Plus (Wifi) Oct. 2020 It Works Now!! WORKS ON ALL MOTHERBOARDS THAT HAVE AMD FEATURES UNLOCKED.
https://amzn.to/352nL3d #Ryzen #TUF #X570 Sorry about the occasional Hisses and Bad Sound from my Phone Microphone.

Asus 2082 UEFI BIOS, Oct. 23, 2020: https://www.asus.com/Motherboards-Components/Motherboards/TUF-Gaming/TUF-GAMING-X570-PLUS-WI-FI/HelpDesk_BIOS/

RECOVERY METHOD: https://www.asus.com/support/faq/1012219

Settings for @AMD & @1usmus Recommended CPU Options for High Performance Power Plan. After these are set, ALSO TURN ON AUTO-OC and Precision Boost Overdrive (PBO) in BIOS. This in my opinion makes the best set it and forget it overclocks for Zen 2 and Zen 3 CPU's (Ryzen 3000 series and Ryzen 5000 series). It combines all the best OC up and down throttle features of the CPU and Motherboard and no messing around in Windows' AMD Ryzen Master.

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