Any difference in velocity would be made up for in quicker follow-up shots. That's the trade-off of a compensated barrel.
But I own neither...
.45acp, .40 S&W, 9mm, .38 Spl, .380 acp, 22lr
12 gauge, .223/5.56x45mm, 30-30 Winchester
2 Chron. 7:14 Christians must seek His face