The r8i.12xlarge is a memory optimised instance in the r8i family with 48 vCPU and 384 GiB of memory on Intel Xeon Scalable (Granite Rapids). It costs $2,433.88 a month on-demand in us-east-1 (N. Virginia) and is offered in 26 regions.
The list price has not changed in this window. Spot moves with demand and is read every few minutes.
First year, 3 instances
Spot saves $65,455 a year
Reserved capacity is billed every hour of the month whether it runs or not.
Bars are on-demand per hour; the teal mark is spot. Price per vCPU is the same at every size, so pick the size that fits.
1,996.8g CO₂ an hour in us-east-1
1,457.7 kg a month. Grid 322 g per kWh.
Lowest-carbon regions for this type. The dirtiest emits 116× the cleanest.
| $2,433.88 | $944.91 | 61% | 1,268 | |
| $2,433.88 | $615.68 | 75% | 1,997 | |
| $2,433.88 | $605.02 | 75% | 2,944 | |
| $2,495.55 | $668.83 | 73% | 741 | |
| $2,511.14 | $755.33 | 70% | 4,385 | |
| $2,511.14 | $251.12 | 90% | 4,382 | |
| $2,588.40 | $258.86 | 90% | 50 | |
| $2,665.67 | $429.68 | 84% | 1,148 |
curl "https://prices.cloudadapt.io/api/v1/compute/aws/r8i.12xlarge?region=us-east-1"
List prices from AWS in US dollars, before discounts, credits and taxes. A month is 730 hours, a year 8,760. AWS pricing page