Here are the results on this server (copied from our 2019 Update thread)
121.6 k requests completed in 9.63 s, 474.9 MiB read, 12.6 k iops, 49.3 MiB/s
generated 121.6 k requests in 10.0 s, 474.9 MiB, 12.2 k iops, 47.5 MiB/s
min/avg/max/mdev = 53.3 us / 79.2 us / 5.77 ms / 39.9 us
I would get in touch with Azure and ask them for an explanation 
