Here's a run I did recently
920 C0 - 4000Mhz - 1600Mhz - 9-9-9-24 - 1.35VCore - 1.318VTT - 1.66VDimm - 1.86CPU/PLL - Auto everything else - Water - 25C/82C
If I had a Rad in my cooling loop, my temp delta wouldn't have been so wide.
With better control of temps I could get a 4200 Mhz pass. I was 70 min. into a run and got an error.