Difference between ARM cortex A57 and A72 architecture || Types of ARM cortex architecture

You guys might have seen that some processor has octacore processor having ARM Cortex A57 or A58 architectures, So what does this mean?

lets find out in this video.

[nwobhm]

a57 is faster by a small margin. it uses a little better branch predictor

[lailarehana]

a 72 use 16nm FinFET speed start 2 ghz & a52 use 20nm SOC or FinFET speed 1.6 to 1.8