I was very skeptical about the announcement that Cortex-A72 would deliver 85% more performance than Cortex-A57. That's more than Cortex-A57 versus Cortex-A15. (ARM Ltd. announced a “45% increase through incremental micro-architecture improvements”. However, regarding to their slides, Cortex-A57 is only 20% faster in AArch32 mode than Cortex-A15. The performance gain is not only due to “incremental micro-architecture improvements” (20%, not 45%), but also to the new ISA (20%). Marketing, again…)

I'm waiting for benchmarks. We'll see if it fulfills its promises.