Introducing Amazon EC2 M5zn instances, with high frequency processors and 100 Gbps networking

Starting today, general purpose Amazon EC2 M5zn instances are available. These new instances are a high frequency, high speed and low-latency networking variant of Amazon EC2 M5 instances, powered by custom 2nd Generation Intel Xeon Scalable Processors (Cascade Lake). M5zn instances deliver the highest all-core turbo CPU performance from Intel Xeon Scalable processors in the cloud, with a frequency up to 4.5 GHz.  

Source:: Amazon AWS