Both put out 12 Nm, but they are pitched at different instincts. The Alpha EVO 12 is the value-and-smoothness pick: $160 cheaper than the La Prima, higher on our rubric, and carrying the zero-cogging 5-pole servo that reviewers rate as the smoothest signal in the mid tier. The La Prima's draw is the badge on the front - it is the cheapest entry into Asetek's industrial-servo range, with the build quality that comes with it.
So the question is whether Asetek's engineering matters enough to pay more for less on paper. The La Prima scores lower on value and fidelity and costs more, so on merit the Simagic is the stronger 12 Nm base. If you want into the Asetek world specifically - the build, the chassis, the brand's engineering-led reputation - the La Prima is your entry point, and it is a solid base. For most buyers weighing them straight, the Alpha EVO 12 is the smarter money.