9 Pound Hammer Auto vs Ace of Spades Feminized — Side-by-Side Comparison

9 Pound Hammer Auto comes in higher on the lab sheets at around 23, compared with 20 for Ace of Spades Feminized. That said, real-world potency depends on phenotype, cure, and grow conditions — both strains can deliver a serious hit when grown well.

Both strains finish in roughly the same yield band ( vs ), so the better choice depends on whether your tent leans toward short bushy plants or taller, stretchier ones.

9 Pound Hammer Auto and Ace of Spades Feminized flower on essentially the same schedule ( and ), so harvest timing is unlikely to be the deciding factor between them.

Both strains land at similar difficulty (Intermediate vs Intermediate). Either is approachable for a grower who can hold steady humidity and feed on schedule, and neither is going to baby-sit a beginner more than the other.

Royal King Seeds carries both 9 Pound Hammer Auto and Ace of Spades Feminized as feminized seeds shipped discreetly across the United States. Each strain ships with our 95% germination guarantee and tracked 3–5 day delivery. Visit the 9 Pound Hammer Auto page or the Ace of Spades Feminized page to pick your pack size.