nah 1.6v 50c load seems right on the spot with good watercooling gear.
Im running 1.655v and idle around 36/40 core1/core2 (coretemp or intel tat)
with load @ 55-58c this with fairly low ambients though 19-20c running dual sp2004 blend prio 9 or 100% load with intel tat for 12hours+
wc gear in sig