Today I got my first VEGA 56.

The hashrate is max at 1940H/s but frequently it drops down to 1870H/s and then rises to 1940H/s back and so on.
Average hashrate (15min) is 1915H/s.

I am just wondering, because my Vega 64s with the same setup/mod have quite stable hasrates around 1980H/s +/-3H/s

This my setup: Vega 56 with Vega64LC bios to 1408/1100@905mV (regmod) and August 23th blochchain drivers
"gpu_threads_conf" : [
   { "index" : 0, "intensity" : 2016, "worksize" : 8, "affine_to_cpu" : false },
   { "index" : 0, "intensity" : 1736, "worksize" : 8, "affine_to_cpu" : false },
],

Any ideas?

Thanks and cheers