Controller weight — bars to scale Bar length ∝ mass · max = Apex 5 (340 g mid of 335–345 g range) 0 g 100 200 300 340 EasySMX X20 226 g Vader 4 Pro (yours) 270 g Apex 5 ~340 g X20 is −44 g vs Vader 4 Pro · Apex 5 is +70 g vs Vader 4 Pro · Apex ≈ 1.5× X20

EasySMX X20 · Flydigi Vader 4 Pro · Flydigi Apex 5
Approx. published weights; Apex plotted at 340 g (mid of 335–345 g).