Sofpulse provides 1.65X deeper depth of treatment than the RecoveryRx. This depth of penetration/treatment is a key factor in obtaining medical efficacy and more effective and quicker recovery for patients with post-operative injuries. The depth of penetration is in their technical spec sheets. You can confirm it yourself.
SofPulse applies a lot more energy per pulse than RecoveryRx . 4mW for SofPulse compared with .007mW for RecoveryRx.