I have used partitions and x bullets.
Both worked great in 180gr.

A test I recently read rated the Swift a frame as the best bullet.
Penetrated further than the Partition and held together better with 99% average weight retention. Also said the partitions often turned around in the medium and ended up backwards.

The Barnes penetrated a few inches more than the Swift but at high velocities the petals of the x bullet tended to break off increasing penetration but decreasing the wound channel.

I am planning to give the Swift a try this year in 200gr in my 300win mag if I can get good groups with it.