Ryzen 3000 XT more efficient than Zen 3? ‘ClockTuner for Ryzen’ could do the trick


For AMD, if things go according to plan, Zen 3 will not only be faster than Zen 2 but also significantly more efficient. Apparently, there is still a lot to be gained from the Zen 2-based Ryzen 3000 series.

Yuri “1usmus” Bubliy used his “ClockTuner for Ryzen (CTR)” to demonstrate how he was able to make his Ryzen 3900XT more efficient than its successor.

Right now, everyone is looking forward to Zen 3’s promised increase in performance and efficiency. While many are readying to buy the upcoming chip from AMD, Yuri “1usmus” Bubliy – already known from his “DRAM Calculator for Ryzen” – shows the dormant potential that exists in the current-gen processor.

AMD Ryzen 9 3900XT more efficient than Zen 3?
Allegedly, there is a lot of potential dormant in Ryzen 9 3900XT

Using his ClockTuner for Ryzen, Bubliy fine-tuned the various core clusters (CCX) of a Ryzen 9 3900XT. After optimization, the Zen 2 processor used significantly less voltage drawing 85.2 instead of 142 watts from the power supply in Cinebench R20.

Bubliy claims to have increased the output per watt by 67 percent. Now compared to Zen 1, the efficiency ratio has improved by a factor of 3.34. This leads us to the conclusion: the performance per watt of the Zen 3 architecture, on which the upcoming Ryzen 5000 processors are based, increased only by a factor of 2.4.

The above example is not an isolated case, according to Bubliy. All XT samples would produce similar results.

This is based on the fact that the XT version of Ryzen released just a few months ago and it represents the top of the line Zen 2 CPUs. They are already clocked a little higher than their sibling X series processors, as well as they seem to offer a little higher overclocking headroom and superior chip quality.

Using a tool like ClockTuner for Ryzen is of course at your own risk. Users are required to meet certain requirements, including the setting of certain BIOS defaults and the availability of the AGESA Combo AM4 or higher.

If you’re interested, you can find extensive instructions for ClockTuner for Ryzen at Guru3D, which also offers the software for download.

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