Review: NZXT N7 Z790

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Memory overclocking:

For memory overclocking, we have of course kept our Teamgroup Delta RGB 7200 MT/s CL34 kit and its Hynix A-die chips. The idea is to choose the kit that we think has the best overclocking potential. And as you can see, we were not mistaken.

The choice of your DDR5 kit according to the memory chips :

As it was already the case for DDR4, if you want to clock your memory, some brands will benefit from a better potential. Currently, the kits announced by the various brands benefit either from Micron chips or Hynix chips or Samsung chips.

The “key” voltages of DDR5:

For memory overclocking, there are 5 key voltages. These are the voltages that will have an impact on the overclocking and therefore on the frequency rise or the tightening of the timings. These are the CPU System Agent Voltage (SA), the DRAM VVD Voltage, the DRAM VVDQ Voltage, the Memory Controller Voltage and the IVR Transmitter VVDQ Voltage.

Let’s go for the overclocking of this DDR5:

We have to admit that the 8000 MT/s was tempting us, but we had to give it a miss pretty quickly. We know the good IMC of our processor and the potential of our A-die kit. We had to focus on 7600 MT/s even if we can also manage to get to 7800 MT/s but not in a stable way.

The good news is that our scores as well as performance are taking off. Just compare the performance between stock and overclocked scores to get an idea. For a card whose goal is not overclocking, it does quite well.