Originally Posted by The Green Dragon

Three things spring to mind

• Survived near death from being trapped within Naturon Shenron.
• Landed a direct hit on General Rildo.
• Managed to delay and hold back Dr Gero

All of these wouldn't be possible if she was weaker than Frieza, she would have died inside Naturon Shenron, Rildo wouldn't have even flinched when she hit him, or Gero would have knocked her flying.