Comparing Dynamic Vcore and AMD overclocking options
Comparing Dynamic Vcore and AMD overclocking options
Hello guys, I'm looking to overclock my Ryzen and have two choices: the B450M DS3H BIOS with a voltage setting, or Dynamic Vcore with AMD Manual CPU Overclock. Both allow me to set a specific voltage and CPU frequency. Which one should I choose? Thanks!
I've tested both configurations on a 2700X. Based on my observations:
Keeping VCore and speed at auto settings tends to provide more consistent idle power usage over time, as voltage plays a bigger role than clock speed and Vcore can drop below 1.0v.
Adjusting the clock speed to a fixed value and identifying the lowest stable VCore can improve performance during stress tests.
On my Ryzen 2700X, I ran Prime95 with stock settings first, then set a fixed 4.0GHz and around 1.25Vcore (the lowest achievable). At stock speed, the CPU slowed to 3.9GHz within about 15 minutes. With the fixed clock, it maintained that speed while staying cooler than the stock setting once stability was achieved.
It varies based on how you're increasing the speed; if you adjust the core frequency yourself, using a higher voltage will remain consistent.
I've tested both configurations on a 2700X. From my observations:
Keeping VCore and speed at auto settings tends to offer improved idle power usage over time, as voltage plays a bigger role than clock speed and Vcore can drop below 1.0v.
In my experiments with a Ryzen 2700X, I used Prime95 with stock parameters, then fixed the clock speed to 4.0GHz and around 1.25VCore—the lowest achievable. On stock settings, the CPU slowed to 3.9GHz within about 15 minutes. With the fixed speed, it maintained that pace while staying cooler than the stock configuration once it settled.
The savings in idle power weren’t huge—roughly 5-10W, which would translate to a few cents saved each year.