The x2iedn.24xlarge is a memory-optimized AWS EC2 instance: 96 vCPU and 3072 GiB of memory, 32.00 GiB per vCPU. In the name, "x" is the extra-memory line, "2" is the generation, "iedn" marks Intel processors, extended capacity, local NVMe storage and enhanced networking and "24xlarge" is the size within the x2iedn family. It runs on Intel Xeon Scalable (Icelake) at 3.5 GHz, and AWS introduced it in March 2022. AWS has since shipped x8i; x8i.24xlarge is the direct replacement at this size, scoring 2,202,466 CoreMark/s against this instance's 1,637,108 — roughly 35% more throughput for the same vCPU count. Spot's largest VM is 16 vCPU and 128 GiB, so matching this instance would take 22 × mh.vs1.2xlarge — arithmetically true and operationally absurd. The Spot column below prices that whole fleet, so read it as a scale reference rather than a drop-in replacement: at this size the useful question is what a shard of the workload costs, which is $0.021/hr per node.
| Region | AWS on-demand | AWS Spot | 1-yr Reserved | 3-yr Reserved | Rackspace Spot | You save |
|---|---|---|---|---|---|---|
| US East, N. Virginia | $20.007 | $4.884 | $12.310 | $6.418 | $0.462 | $19.545 savings |
| US Central, Chicago | no AWS region | $0.462 | ||||
| US Central, Dallas | no AWS region | $2.882 | ||||
| Hong Kong | $0.462 | |||||
| Sydney, Australia | $29.012 | $2.901 | $17.851 | $9.306 | $0.462 | $28.550 savings |
| London, UK | $25.209 | $2.796 | $15.511 | $8.086 | $2.882 | $22.327 savings |
| US West, San Jose | $26.010 | $5.227 | $16.004 | $8.343 | $0.044 | $25.966 savings |
| US Central, Dallas 2 | no AWS region | $5.324 |