Review: Intel Raptor Lake i9-13900K and i5-13600K

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The frequencies reached?

As with all new processor tests, our first idea is to check if the announced frequencies are actually reached. To do this, we will use the Cinebench R23 benchmark. Two cases will be used: a single core bench and a second one in multi core. The idea is to be able to judge the frequency reached and thus, to compare with what was announced by Intel in its slides.

Remember that the Boost frequency in bench is different depending on the processor. Be careful, as Intel points out, when we talk about Max Turbo frequency, it is the maximum frequency that can be reached by one of the processor’s cores executing a single-core workload(mono-thread). This frequency varies according to several factors: the load, the cooling system and therefore the temperature of your processor. This is a notion to keep in mind. Here are the frequencies we should reach on a single core during our run under Cinebench R23. First step, we leave everything in AUTO in the BIOS except the XMP profile that we load in order to have a frequency of 6000 MT/s in 30-38-38-96 for our memory kit. We don’t make any other changes in the BIOS.

Testing with the i9-13900K:

Here we go with the strongest processor, the i9-13900K. As you can see, we opened several windows to check the frequency and the temperature. The options in our BIOS have been left in AUTO but we will talk about it again in the power consumption section because it has a significant impact on it.

In single core, we can see that core #5 reaches a frequency of 5800 MHz which corresponds to what is announced by Intel. We can see that the temperature of the two cores that alternate at 5.8 GHz have a temperature of 65/66 °C.

When the 24 cores of our i9-13900K are solicited, the frequency is fixed on the P-Core at 5.5 GHz and at 4.3 GHz on the E-Core. As for the temperature of the hottest P-Core, it is 87°C and on the E-Core 69°C. Let’s not forget that we are equipped with a custom cooling loop of 480 mm. So if you choose this processor, it will be at least a very powerful AIO of 280/360 mm.

Test with the i5-13600K :

We continue with the i5-13600K and its 6 P-Core. In single core, we can see that the core #é reaches a frequency of 5100 MHz but strangely the other cores also remain at this frequency. It seems that it is the AUTO settings of our BIOS that remove the limits of Intel since the temperature is correct. The temperature of the requested core is 46°C.

When all 6 cores are used, the frequency is always 5.1 GHz, although we thought it would be lower. Finally, we will not complain since the temperatures are excellent with the hottest P-Core at 62°C and the E-Core at 52°C.

We can’t wait to test this i5-13600K in overclocking since it should become a very interesting processor on this new generation. Here we are, our two processors are perfectly operational, we can serenely start our comparative tests.