In terms of frequency,The i9-9900K and i7-9700K are both 3.6GHz. The former has a single core of 5GHz and a full core of 4.7GHz. The latter has a single core of 4.9GHz and a full core of 4.6GHz. The thermal design power consumption is 95W.
According to previous statements, 9900K supports Hyper-Threading, and 9700K does not.
In addition, 3DMark also appeared i5-9600K Fire Strike Ultra running points, the base frequency is 3.7GHz, six cores and six threads. Among them, the physical score, i7-9700K is 36.8% higher than i5-9600K.