Fermentis W-34/70 is a monster

The last time I used 34/70 was for a 5.5 gallon Helles. Attenuation was 75% but I mashed at 152F.  I don’t remember getting sulfur with 34/70 yeast. I brewed the same recipe with Diamond Lager yeast mashing at 152F and got 74% attenuation.