Conclusion
When not considering the margin of error, we see a trend where the aluminium rim performs a bit worse, and the hookless rim drops off slightly more at lower air pressures. The individual test results confirm this trend.
https://www.bicyclerollingresistance.com/specials/grand-prix-5000-s-tr-hooked-vs-hookless
https://www.bicyclerollingresistance.com/road-bike-reviews/compare/continental-grand-prix-5000-s-tr-vs-vittoria-corsa-g2-tlr