However, Intel CPUs that are not a part of the K series do not have their clock multiplier unlocked, making them much harder and less safe to overclock. For example, K series Intel CPUs allow for easy overclocking. Secondly, research whether it's safe to overclock your component. This will dramatically reduce the amount of time necessary to find a safe overclock. Chances are, users have already stress tested and found stable conditions for your PC's components. Doing a bit of research about your components will ease the stress testing process tremendously.įirst, look for recommended overclock settings for your components. Research Your Componentsīefore stress testing or overclocking, remember that a wealth of online resources can help you. Here, you can watch over the CPU temperature and see how fast your fans are rotating. During this test, you can easily switch back to the main AIDA64 window and go to Computer and Sensor. To uncover false readings, we recommend consulting more than one application. To launch the computer stress test, click on Tools and select System Stability Test. Make sure you check later in the review where we use the beastly IceGiant ProSiphon Elite prototype CPU cooler to really see how far we can push this 64-core chip.If the software cannot parse these readings or confuses them in some manner-such as adding every CPU core temp reading rather than displaying each one individually or displaying readings in Fahrenheit instead of Celsius-the software will provide false temperature specs. Users with better cooling solutions should expect higher operating frequencies from PBO. 3.5GHz on all cores out of a reasonably priced air CPU cooler is an impressive overclocking result. The PBO clocks operated at around 3700MHz initially and then quickly settled at just over 3.5GHz as the CPU cooler struggled to stay at or below 95☌. The 64 cores had more room to open up the frequency taps.įurther testing suggested that there was no real need for us to manually overclock PBO was delivering all the power and CPU frequency that our cooler could take while staying below the 95C target maximum temperature. No BSODs, no hardware errors reported in event viewer. Also i observe graphical glitches in CINEBENCH and in games. One of the cpu core is producing errors in all stress tests - OCCT, PRIME95 and AIDA, it fails from the start of the tests. We first checked with PBO and found it to deliver superb results thanks to the power delivery shackles of the 280W TDP being removed. I have MSI B550 TOMAHAWK using the latest BIOS revision and RYZEN 5900x. Overclocking was challenging due to the thermal headaches presented by such a high core count processor. Enable AMD Ryzen processors to harness the full potential of AMD Radeon RX graphics memory. This is slightly above the maximum advertised operating clock of 4.3GHz and highlights that the current AGESA version looks to be operating well.ĪMD Ryzen Threadripper 3990X Precision Boost Overdrive + 200MHz Auto OC Frequency: Maximum boosts on the 3990X peaked at 4350MHz in our Cinebench R20 1T testing. This was using the Cooler Master Wraith Ripper CPU cooler. Around 4 minutes of back-to-back Cinebench runs held stable at 3GHz. For our extended Blender Classroom rendering run, the average speed across all cores was around 2950MHz. On the 3990X, all-core frequencies hovered around the 2950-3100MHz mark. The partnering hardware of choice is the MSI TRX40 Creator motherboard, 32GB of 3200MHz CL14 DDR4, and a Seasonic Prime TX-1000 1kW Titanium PSU.ĪMD Ryzen Threadripper 3990X Stock Frequency: Prime95 is an old but still excellent tool for all kinds of CPU torture tests. We do not use Prime95 as we have found it to be overly demanding as a stress test application with the more recent AVX-capable versions. Different situations ask for different stress tests. Stability is confirmed by running multiple Cinebench tests, Handbrake video conversion, and extended Blender rendering runs. Later in the review we did also use the immense IceGiant ProSiphon Elite prototype CPU cooler to see how far we could really push things, but for now we start using the Wraith Ripper. We also aim to use sensible voltages that lead to manageable thermal results. Download Prime95 - a handy tool for overclockers and system stability checkers, Prime95 has a feature called Torture Test that allows maximum stress. As such, we test with sensible cooling hardware in the Cooler Master Wraith Ripper CPU cooler. Awesome video and one that many people need. Our objective with CPU overclocking is to hit frequencies that we think will be achievable for daily use by the platform’s buyers. Aida64, Cinebench, Ryzen Master and Heaven are all in my suite.
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