AWS EC2 Memory optimized instances

• R5, R5a, R5b, and R5n instances
• R6 features an 8:1 ratio of memory to vCPU

• AWS EC2 high memory instances
• AWS memory to vCPU ration

See also

• Amazon EC2 Instance types, computed optimized, memory optimized, high memory, AMI, Burstable, CPU credits, on-demand, spot, Karpenter, t3, r5, r6, c5 (c5a, c5ad), c6 (c6a, c6i), m5, m6i, m7i, c7g, r6g, r6i, x1, aws ec2 describe-instance-types, vCPU, VcpuLimitExceeded, im4gn