Power Gem vs Psychic in Pokémon Go

Name	Power Gem	Psychic
Type	Rock	Psychic
Damage	40	55
Damage Per Second	13.79	19.64
Move Length	2.90s (2900ms)	2.80s (2800ms)
Damage Phase Length	0.80s (800ms)	1.20s (1200ms)
Energy
Critical Rate	5 %	5 %