I recently bought a secondhand X470 M7 and try to overclock my HOF 3600 8G *4 as much as possible.
Actually, previously, I owned C6H and C7H as well. One strategy thing always make me confused is, on C6H, which is X370 chipset(my CPU Ryzen 1700), I can reach 3466 and run memtest pro without any error e.g. reach 800%. However, when the exact same CPU & memories comes to C7H, it never can be stable at 3466. I tried my best to tune some timing/voltage but anyway Memtest pro will report error within few minutes. The stable frequency on C7H is 3200 by using fast profile from Ryzen dram calculator. So my first question, does that mean mem OC on first gen Ryzen is better in X370 than X470?
The story continues. After I sold all these 2 boards, I bought MSI X470 M7 as it's said the best mem OC board in X470. But I still didn't get luck in the same mem OC to 3466. The result is exact the same with C7H that runing on 3200 with fast profile. (But this time I use a 1700x CPU and my original 1700 CPU is under RMA, so actually this is not a strict scientific comparasion) However, when I look into the Aida64 memory test result, it surprised me as the "Read/Write/Copy" speed is lower than on C7H(e.g. on 3200MHz, C7H achieve mostly near 49000 for these 3 but M7 only achieve 46000~47000) but the latency is better(I remember in C7H/C6H it was above 70ns, even 75ns(not sure), but in M7 I can achieve 68~69ns). Anyone know what's the reason? The exact same timing is used in both motherboard and CPU running at 4.0 G. (In MSI board, there is some timing item not mentioned in Ryzen calculator app thus I left them as auto, is it the reason?)
Anyway, beside all of my testing result, for 4 * 8 memory module configuration on Ryzen(no matter 1st gen or 2nd), what could be the best result nowadays?