one more point, piston engine have much more torque, than turbines. does that plays any benefit anywhere, for example during training exercise, the instructor can wait a bit more before recovering that sagging RPM that the student mishandled.
Agile- that's a good question.
The Arrius 2F has an output shaft 100% speed of 6000rpm, so at an MCP of 432shp that works out to a torque of 378ft-lb at the MGB input. If we assume the AE440 diesel has a 100% crank speed of 4000rpm, at a similar MCP of 432bhp that works out to a torque of 567ft-lb at the crank. But the diesel engine uses an intermediate gearbox to step the speed up to 6000rpm at the MGB input, so the (mean) shaft torque at this point would essentially be the same as the turboshaft engine.
It's not that the recip diesel has "more torque" than the turboshaft. Instead the big difference between the turboshaft and turbodiesel engines is that the turbodiesel would have far quicker throttle response. The speed of the Arrius 2F gas generator (Ng) is 54,117rpm at 100%, and the rate Ng speed can be changed is limited by combustion stability. So it can take a while for it to spool up from say 85% Ng to 100% Ng in response to increased power demand.