taken from wiki:

244 gr (16 g) M90 RN 1,950 ft/s (590 m/s) 2,059.74 ft·lbf (2,792.63 J)
244 gr (16 g) M93 RN 2,035 ft/s (620 m/s) 2,243.22 ft·lbf (3,041.40 J)

https://en.wikipedia.org/wiki/8%C3%9750mmR_Mannlicher

the hirtenberger ammo is loaded with an 196 grs. bullet., i dont know any ballistic data for
this in the moment.