Frequencies reached:
As with every new processor test, our first idea is to check whether the advertised frequencies are actually achieved. To do this, we’re going to use the Cinebench R23 benchmark. Two scenarios will be used: a single-core benchmark and a multi-core benchmark. The idea is to be able to judge the frequency achieved and compare it with what AMD has announced in its slides.
Remember that the Boost frequency in the bench differs according to the processor. As AMD points out, when we talk about maximum boost frequency, we are talking about the maximum frequency achievable by one of the processor cores running a single-core workload. The maximum boost varies according to several factors: the load, the cooling system and therefore the temperature of your processor. It’s important to keep this in mind. So here are the frequencies we should achieve on a single core during our Cinebench R23 run.
Please pay close attention to our information, as we have encountered a performance problem in multithreading with the RYZEN 7 9700X.
Test with the Ryzen 9 9900X :
Here we go with our sample of the day, the Ryzen 9 9900X. As you can see, we’ve opened several windows to check the frequency and temperature.
In single-core mode, we can see that core #1 and core #2 alternately reach a frequency of 5600 MHz, which corresponds to the frequency announced by AMD. When all 12 cores are used, the frequency approaches 5000 MHz and always remains between 4975 and 5025 MHz, depending on the core. This is where we need to understand the difference with the Ryzen 7 7900X, which saw its frequencies easily reach 5300 MHz on certain cores. It’s the 120 watt TDP of our Ryzen 9 9900X that will ‘limit’ this rise in frequency so as to maintain a more attractive power consumption than the previous generation.
