AWS announces the general availability of Amazon Elastic Compute Cloud (Amazon EC2) Hpc7a instances. Amazon Elastic Compute Cloud Hpc7a instances, powered by 4th generation AMD EPYC processors, deliver up to 2.5x better performance compared to Amazon EC2 Hpc6a instances. Hpc7a instances feature 2x higher core density (up to 192 cores), 2.1x higher memory bandwidth throughput, 2x memory (768 GB), and 3x higher network bandwidth compared to Hpc6a instances.
Source:: Amazon AWS