It is. Actually it is in a completely different league: 1. non-generational (= low throughput) 2. imprecise (= no guarantees on freeing unreferenced memory) 3.

It is. Actually it is in a completely different league: 1. non-generational (= low throughput) 2. imprecise (= no guarantees on freeing unreferenced memory) 3. stop-the-world (= long pauses) 4. non-compacting (= allocation is slow and fragmentation still might be a problem)