The power consumption and operating temperatures of the new Intel Comet Lake-S processors have become one of the most important topics for discussion long before the release of the chips themselves. It was clear that high frequencies with the old 14-nm process technology would not have the best effect on these parameters. And now the statistics of the appetites and temperatures of the flagship of the new series – the ten-core Core i9-10900K, have appeared on the Web.
German enthusiast Roman “der8auer” Hartung (Roman Hartung) decided to collect statistics and personally measured the temperature and power consumption of 30 new processors Core i9-10900K. The chips were tested during overclocking to 5.1 GHz with a voltage of 1.25 V. The workload of the chips was created by the well-known multi-threaded Cinebench R20 performance test. For cooling the processor, a self-assembled liquid cooling system with a 360-mm radiator was responsible.
Let’s start with the pleasant. The lowest value of the maximum temperature of the Core i9-10900K under load was 79 ° C, and seven tested samples could boast of such an indicator at once, that is 23.3% of all subjects. In most experimental subjects (67%), the temperature did not exceed 85 ° C. Finally, the chip turned out to be the hottest, having warmed up to 92 ° C. On average, the temperature of 30 Core i9-10900K processors was 82.17 ° C.
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As for energy consumption, the lowest indicator was 232 watts. The vast majority, he was at a level close to 250 watts. The largest recorded “appetite” was 278 watts. And interestingly, higher consumption does not mean the highest temperature at all, nor does lower consumption mean that the chip will heat less.
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The German enthusiast also studied the effect of processor temperature on power consumption. It is expected that with increasing temperature consumption also increased – from 253 W at a temperature of -30 ° C to 325 W at almost 100 ° C. This experiment on the Core i9-10900K was carried out at a frequency of 5.3 GHz while cooling with liquid nitrogen.
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And in the published video it is said why acceleration at subzero temperatures does not always give the best result in the sense of achieving a higher frequency. In short, at certain temperatures, the resistance of copper compounds in the processor chip increases, which requires an increase in voltage and complicates overclocking. As you can see, at temperatures below zero, frequencies are raised reluctantly.
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