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Ryzen 2600 VDDCR Core Volts.

This is the overclocking part and the same voltage can be used to overclock both the 2600 and 2600X. Make sure you use save voltages for daily use in this case the consensus online is 1.38v for the CPU voltage. This used to be 1.40v however some Reddit users have commented on their CPU's degrading with voltages exceeding 1.38v. Higher voltages can be used for short term use with proper cooling for benchmarking and records.

  • AMD Recommended Voltage: 1.300 to 1.350 volts.
  • Community Recommended Voltage: 1.350 to 1.400 volts.
  • Absolute max and not recommended: 1.400 to 1.500 volts.

There are 2 settings here that will be used the CPU Voltage(VDDCR CPU Voltage) and the CPU Core Ratio. For the core, voltage either use a Manual or Offset Mode voltage. Manual is easier to use and will be used for this guide. Offset Mode offers better granular control over voltage ensure however you keep withing save voltage limits.

SoC voltage does not apply with CPU overclocking it is used for FCLK(Infinity Fabric clock speed) and MCLK(Memory clock speed). If you experience instability from memory or infinity fabric tweaking this voltage can be helpful. A more in-depth guide for memory overclocking covering AMD and Intel systems link here: DDR RAM Overclocking Terminology FAQ & Overclocking Guide for DDR4 RAM. If you have QVL or none QVL memory and have instability issues with running the XMP profile reference this guide: How to stabilize DDR4 with Infinity Fabric

Since no PC build is the same start off with the highest recommend CPU voltage by AMD of 1.350v. This will also work for the AMD stock cooler but expect more fan noise then over more robust cooling like the Gelid Phantom Black used when writing this guide. Next is the CPU Core Ratio an easy overclock would be 4.0Ghz to achieve that fill in 40.00 in the CPU Core Ratio section. Save and exit and boot into Window. Now to confirm the overclock is stable either run Prime95 or Linpack Xtreme. For Prime95 use Small FFTs and have it run for at least 10 minutes. Linpack Xtreme you want to use the Stress test, use half the of the total capacity of your RAM using all cores and threads with at least 3 stress test runs. While doing so keep an eye on HWiNFO64 on core voltages and temperatures.

4Ghz settings

This should have passed either test you can now decide to keep the overclock at 4.0Ghz and tune the CPU voltage. The overclock of 4.0Ghz used in this guide used 1.269v with Load Line Calibration 4. If you want to go higher and go for 4.1Ghz then boot back into the BIOS and adjust the CPU Voltage to 1.38v with a CPU Core Ration of 41. This particular 2600 did not reach 4.1Ghz with a save voltage while it passed Prime95 it did not pass the Linpack Xtreme stress test so is not deemed 100% stable. In this case. the overclock was tuned the voltage for 4.05Ghz for daily use. And passed Prime95 and Linpack Xtreme stress testing.

4.05Ghz settings

Stability Testing.

Once you have set on a overclock for daily use and make sure it does not exceed 1.38v ~ 1.4v for daily use you want to do a final stability test. This is the final test to ensure you are 100% stable on the CPU overclock before moving on to for instance memory overclocking.

  • Prime95: Complete a 2 hour Small FFTs or Custom 8K FFTs(synthetic gaming load)
  • Linpack Xtreme: Complete at least 10 stress test runs with half of the total RAM capacity using all cores and threads.

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