https://weatherby.com/ammunition/ballistics-charts/velocity and energy from wby site;
effective killing "power" has many other variables that come into play. Premium bullets need enough of the above stated to expand, shooting a TTSX or Partition round into something that's beginning to travel well under 1200-1000 FPS might prove to be a long day tracking and maybe end up in a wounded unrecoverable animal. Many other considerations when taking shots over 500 yards - the list goes on and on.
If your goal is to be a "longer" range hunter - the market probably has better options that would also indicate you probably want to spend extra on the setup of rifle and optics.
Most modern calibers have an effective range for medium sized game that exceeds it's users ability.