It felt like half the event was listing different types of workload and saying that the new chips were 15-20% faster than the M2 generation at that task, and 30

It felt like half the event was listing different types of workload and saying that the new chips were 15-20% faster than the M2 generation at that task, and 30-40% faster than the M1 generation. The only real exception to that is the M3 Pro, which is closer to the performance of the M2 Pro at a reduced core count.