Starting today, the compute-optimized Amazon EC2 C6a instances are now available in Canada (Central), the general-purpose Amazon EC2 M6a instances are now available in Canada (Central), and Europe (Milan) regions, and the memory-optimized Amazon EC2 R6a instances are now available in US West (N. California), and Asia Pacific (Singapore) regions. C6a, M6a and R6a instances are powered by third-generation AMD EPYC processors. M6a and R6a instances deliver up to 35% better price performance than comparable M5a, and R5a instances, while C6a instances deliver up to 15% better price performance than comparable C5a instances. These instances offer 10% lower cost than comparable x86-based EC2 instances.
Source:: Amazon AWS