ClockTuner for Ryzen (CTR): Installation, Use, Review, Download

Introduction

The main goal of the ClockTuner for Ryzen (CTR) project is to improve CPU power efficiency and performance by fine-tuning frequency versus voltage. Huge tuning possibilities will satisfy the needs of any user. Most of the processes are fully automated and the result is always individual for each system. Even if you are a novice, a multi-level security system will prevent you from entering a potentially dangerous setting.

Download ClockTuner for Ryzen (CTR): https://www.guru3d.com/files-details/clocktuner-for-ryzen-download.html

The long-awaited ClockTuner for Ryzen (CTR) project has now reached version 2.1 RC5. This project has the potential to positively impact the performance of Ryzen processor-based systems with the Zen 2/3 microarchitecture. Before we start a tour of CTR and offer you recommendations, we’d like to touch on the background of it all, the very thing that inspired 1usmus to create this software. There will be no irrelevant information, so we hope you will read absolutely everything . Why are we stating this if it will avoid unusual problems and misunderstandings?

If you are using this software for the first time, read the following manuals that we created earlier to understand the GUI, mechanics, parameters, and limitations of this software.

The CTR (ClockTuner for Ryzen) software allows each user to tune the system for maximum energy efficiency. At the same time, CTR is fully automated and does not limit the user’s actions. The program has a kind of artificial intelligence that will help in any situation, and the protection system will monitor every step so that your components are not endangered. CTR is compatible with all socket AM4 motherboards, despite AMD’s artificial limitations. As for the conditions, this is perhaps one thing – the processor must be based on the ZEN2 architecture, and now also ZEN3. CTR is made by old-timer Guru3D 1USMUS.

Supported processors

Zen3: Ryzen 9 5950Х, Ryzen 9 5900Х, Ryzen 7 5800Х, Ryzen 5 5600Х
Zen 2: Threadripper 3970X, Threadripper 3960X, Ryzen 9 3950X, Ryzen 9 3900X, Ryzen 9 3900XT, Ryzen 9 3900, Ryzen 7 3800XT, Ryzen 7 3800X, Ryzen 7 3700X, Ryzen 5 3600XT, Ryzen 5, Ryzen 36, 300X 5 3500X, Ryzen 5 3500, Ryzen 3 3300X (partial) and Ryzen 3 3100 (partial)
APU: Ryzen 7 PRO 4750G, Ryzen 7 PRO 4650G, Ryzen 3 PRO 4350G

What’s new in ClockTuner v2.1 RC5?

PX PROFILES for all CPUs. Unlock maximum performance in low-threaded applications and games.
Quick and accurate creation of P1, P2 and PX profiles during diagnostics (only for Zen 3 and Renoir). The whole process takes about 7 minutes.
Redesigned CTR HYBRID OC. Smooth and safe profile switching. Profile switching speed is up to 62 times per second (up to 4 times faster than in earlier versions).
Preload profiles. Increases CTR responsiveness to load changes.
The efficient throttling system for the CTR HYBRID OC allows your CPU to efficiently handle a very high workload (the base frequency is 1.1 volts).
Auto-recommendation of the minimum possible voltages for each profile. Provides maximum energy efficiency without performance degradation. It is capable of outperforming PBO in most cases.
The idle state has been improved.
Reading CPPC information through the Advanced Configuration and Power Interface (ACPI).
Improved security of CTR communication with the system control unit (SMU).
CTR BOOST TESTER – Whether you use CTR or Curve Optimizer (CO), you can compare the results of each core booster with advanced information (temperature, PPT, etc.).
“CLEAR CONFIGURATION AND CLOSE” is a button that allows you to reset all CTR settings to default values.
Real-time profile switching statistics (PROFILES tab).
Auto recovery after sleep. Both for HYBRID OC and manual profiles.
Calculate button for PX, P2 and P1. If you need to recalculate the profile, you do not need to restart the whole diagnostic process (Zen 3 and Renoir).
Windows Hardware Error Architecture (WHEA) checker for the configuration process.
Improved protection against dangerous and unintentional user settings.
Automatic recovery of configuration files after a failure.
Refined Phoenix mode (corrected “PLATINESS Pattern”, etc.).
Independent profile system. If one profile breaks, the other profiles are safe.
Improved support for the unique Dual CCD 5600X and 5800X processors.
AGESA 1.2.0.1 and newer are fully supported.
TO TRAY – individual button. The user can choose how to minimize the CTR.
Improved logging for all modes and functions.
Processor quality categories are rebalanced (gold, silver, etc.).
CTR automatically adjusts the “Hold time”. No longer available to the user.
Increased CTR startup speed (up to 4 times).
CTR has driver priority. Allows it to work more efficiently when the system is under maximum load.
Reduced CTR CPU usage.
Fix Alt-Tab when CTR is in system tray.
An easier way to activate profiles (no saving required).
Numerous minor bug fixes.

Installing and using ClockTuner for Ryzen (CTR)

CTR requires: .NET Framework 4.8: https://dotnet.microsoft.com/download/dotnet-framework/thank-you/net48-offline-installer

Download CTR and extract the ZIP archive to any folder of your choice.
A common mistake is that people forget to run the program as an administrator or forget to uninstall or disable the anti-cheat program.

Note. Sometimes it happens that the OS corrupts the CTR configuration file, and the application no longer wants to run. Below you can also download CTR Config Cleaner which will allow you to get rid of the corrupted file.

Download ClockTuner for Ryzen (CTR), Guru3D is the official download partner of this handy utility that can improve the performance of the ZEN2 processor on your PC.

The basic principle of this software is to evaluate the quality of each CCX and to adjust the frequencies individually. Prime95 with a number of special presets evaluates the stability of each CCX. A step-by-step frequency algorithm with several rules allows to select the most stable frequency for all CCXs simultaneously without disturbing the energy balance between the CCXs. The CTR also contains a plug-in (optional) Cinebench R20 test package from Maxon that will allow you to evaluate the tuning results.

CTR requirements

.NET Framework 4.8. (link to the official download page)
BIOS for Zen 3 with AGESA 1.1.0.0 path D or newer (check your motherboard support page).
BIOS for Zen 2 with any AGESA.
BIOS for APU with AGESA 1.2.0.0 or newer.
The BIOS is configured with no manual CPU voltage or CPU multiplier settings, no PBO (so set to “auto” or “off”), no Curve Optimizer and no Performance Enhancer (or other similar technologies).
Adjusted VRM (Important! CPU LLC – Level 3 for ASUS, Mode 4 for MSI, High for Gigabyte and Level 2 for Asrock generally work best). These values are approximate and may vary depending on the motherboard.
Stable DRAM (OC or XMP). If you are a beginner, enable XMP and do not touch the DRAM settings.

A key feature of CTR 2.1 RC5 are 6 independent profiles that allow the user to tune their CPU to any load, regardless of how many cores are used: 2 or all. You are already familiar with P2 and P1, these are profiles for multicore workloads. Here are four new profiles:

IDLE profile – when your computer is idle.
PX HIGH controls the frequency for your top two cores only.
PX MID – for your top 4 cores.
PX LOW – for the top 6 or 8 cores in your system, depending on your CPU model. The weaker cores run at a reduced frequency.

With CTR 2.1 RC5 creating profiles for Zen 3 (and Renoir) processors is incredibly fast and easy. These profiles are created automatically during diagnostics. On average, the process takes up to 7 minutes. CTR knows about Vdroop, VRM functions, cooling system and of course the potential of silicon. This allows the creation of profiles that do not require additional stress testing.

In CTR 2.1 RC5 the profile switching speed has reached 62 times per second . This is twice as fast as Zen 1 and Zen+ processors, but only 6.25% faster than Zen 2 or Zen 3 by default. Profile switching speed is artificially limited, which reduces CTR requirements for CPU utilization (down to 0.1-0.2% in the case of the Ryzen 5 5600X processor, for example).

I know many of you are wondering, “What’s so special about these profiles and why CTR instead of Curve Optimizer? “. I suggest comparing CTR and CO under 4-thread load and multi-thread load for each method. This comparison (rather crude) is best for testing an ideal scenario simulating a typical user load (work or games).

ClockTuner for Ryzen (CTR): Installation, Use, Review, Download

The key feature of the PX profile is significantly reduced voltage requirements relative to stock settings + blocking of weaker cores with lower frequencies. This is justified by the current features of the 7nm process (critical V/F ranges) and Zen 3 architecture. The silicon self-heating chain reaction (higher voltages = more heat = extra voltage needed to compensate for that heat), which used to lead to higher voltage requirements and lower frequency, is no longer the main limiting factor for high frequency. CTR allows a significant improvement in the voltage/frequency ratio ( up to 7% ), and the maximum possible frequencies are exceeded by the Curve Optimizer.

For multithreaded loads, turning on PBO + Optimum CO significantly increases performance, but increases power consumption to a very high 202W instead of the typical 145W for the P1. The P1 PROFILE normally runs at only 1.175V, which is 175mV less than usual. the normal voltage of all cores, all threads is 1.35V, and the CCX1 frequency even exceeds the PBO + Max CO frequency. The voltage/frequency ratio difference is now more than 15.7% (3.31 vs. 3.83) , and the performance is identical. To summarize, using the CTR profile in this example gave you a 16-degree CPU cooler with a PPT difference of 52 watts.

Instead of tedious textual information, I have prepared a short video tour for you. Enjoy!

Download CTR v2.1 here

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