It turns out that despite an overclocker’s experience and professionalism, it’s easy to disable one of AMD’s best gaming processors with extreme overclocking. Recently, there was one less AMD Ryzen 9 7950X3D processor in the world – after a relatively small increase in VCore voltage, it stopped working.
German enthusiast Roman Hartung, also known as der8auer, recently visited ASUS test labs in Taiwan to test several processors. AMD Ryzen 7000 series processors are fairly easy to overclock on Windows using PBO 2 or Curve Optimizer proprietary utilities. In the case of extreme overclocking, however, it is better to use the BIOS, since the overclocker can increase the voltage to an unrealistic 2.5 V there.
Hartung, courtesy of ASUS, began experimenting with the Ryzen 9 7950X3D by overclocking with a liquid cooling system – he managed to increase the voltage on the processor to 1.35 V, which turned out to be over 90 ° C on the chip.
Hartung decided to take a chance and kept building the tension. The result was not long in coming – the Ryzen 9 7950X3D broke down when the voltage rose to 1.5 V, after which the motherboard gave an error code 00, and the processor stopped showing signs of life and burned out at idle with no load . Hartung consulted with AMD and ASUS specialists and received the categorical answer from all of them that these chips are not designed to work with such a high VCore voltage. Roman claims that after his experiments, ASUS intends to limit the possibility of increasing the voltage on their boards above 1.35V, which will happen with a motherboard BIOS update.
Image source: der8auer
Hartung also got a chance to further overclock the $6,000 Intel Xeon w9-3495X processor, which he previously overclocked to 4.2GHz across all 56 cores at home. He was confident that if overclocked under LSS, he could easily reach frequencies of 4.4-4.5 GHz. It wasn’t easy, but he still made progress – the Xeon w9-3495X ran consistently at 4.7 GHz on all 56 cores, with only a few crashes in Cinebench R23 due to input voltage instability.
The result of 114,000 points in Cinebench R23 is impressive and shows the potential of the Xeon w9-3495X with liquid cooling. And when the processor was cooled with liquid nitrogen, it was able to accelerate to 5.2 GHz and score 125,000 points, but still fell short of the recently set record of 132,484 points.
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