They are all good designs but the Accubond I believe is the better bullet based on the Jacket material . I have heard and this is hearsay that the Interbond overexpands its bullet shank game and turns into a ball. How this affects penetration is anyones guess or maybe this source was wrong. I have a good friend in CO that has slayed a lot of Elk and Mulies using Swift Scirrocos out of a 300 win mag . He gets under an inch out of a Browning Abolt with that load.