System Memory Bandwidth Performance

System Memory Bandwidth Performance

We tested the memory both with the default XMP profile (4133 MHz) as well as overclocked/tweaked with CL17. The reviewed memory kit runs at 4133 MHz when you activate XMP in the BIOS.

But what if you want to achieve more? I’ve checked it by setting the voltage up to 1.45 V (which is acceptable for most memory chips), and then gradually increased the frequency until I saw any signs of instability. For us, 4133 MHz with CL17 was possible and gave the best result. That’s two steps lower in latency in frequency, which is quite significant. The 4133 MHz scores are in the ~51-60 GB/s range. As for 4133 MHz (with CL17), you can get there with some effort (but it depends on many variables, like the motherboard, bios version, or memory chip series). That was the optimal setting for this RAM, better than trying to tweak the frequency (only maximum of 4200 MHz was possible with CL19).

Here, we got even up to over 62 GB/s (in write performance).