For functional fitness
For functional fitness, the two are close. Kettlebell swing rates slightly higher: more injury protection, easier to learn and fit in.
Dumbbell snatch carries over more directly to functional fitness.
Both are good choices that build different things for functional fitness, so a plan can use both.
The research score comes from these, scored by hand from the studies. Lifter scores appear once an exercise has 10 ratings. How scores work
Dumbbell Snatch. A common competition lift: hip power to overhead in one move.
Kettlebell Swing. A workout staple: hip power and conditioning.
For hybrid & fitness racing, kettlebell swing rates well ahead on our research criteria: more carry-over to hybrid & fitness racing, more injury protection.
For functional fitness, the two are close. Kettlebell swing rates slightly higher: more injury protection, easier to learn and fit in. Dumbbell snatch carries over more directly to functional fitness. Both are good choices that build different things for functional fitness, so a plan can use both.
About the same: both take some practice.
Dumbbell snatch needs dumbbells, so a home gym covers it. Kettlebell swing needs a kettlebell, so a home gym covers it.
Kettlebell swing: it rates Good for injury protection in our research rubric, against Fair for dumbbell snatch.