If I'm not mistaken it should also draw a lower inrush current spike at startup when wired for 240v.
And there is is...
Current? Yes, it is lower in terms of Amperes. And therein lies the typical reason for the PERCEPTION that the motor provides mor "power" at the higher voltage. If, when starting, the high starting CURRENT causes a voltage drop in the wires, that relates DIRECTLY to the starting TORQUE that the motor can deliver.
Starting torque varies by the SQUARE of the voltage change. So if, at 115V, you experience a VD of just 10% at the very instant you hit the button because the current is high, that motor is putting out only 81% of its maximum starting torque. If you use the SAME SIZE WIRE and connect it for 230V, your wire is now twice as big relative to the circuit current, PLUS your starting current is 1/2 as high. So you likely experience NO voltage drop in that case, and effectively, you have almost 20% more starting torque to the shaft, which means in accelerates faster and RECOVERS faster from a step change in load.
That said, IF you start with conductors rated for twice the motor current rating at 115V, you may not likely see any perceivable different in performance. The problem is, nobody does that. 19.5A, people will likely run #10 and call it good, and the NEC says that's acceptable. But that motor will pull upward of 117A at startup. If you use 230V at 9.5 A, the starting current only gets to 57A. If you look at the VD from 117A on 50Ft circuit length of #10 wire, it doesn't look as good as the VD of 57A on the same wire, maybe not even as good as 57A on #12. But if, at 115V, you ran #4, no problem. Yet who is going to run #4 for a 19.5A load?