The r8g.16xlarge is a memory optimised instance in the r8g family with 64 vCPU and 512 GiB of memory on AWS Graviton4 (Arm). It costs $3,225.08 a month on-demand in eu-south-1 (Milan) and is offered in 31 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 $98,979 a year
Reserved capacity is billed every hour of the month whether it runs or not. A 1-yr reservation is cheaper once these run more than 16 h a day.
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.
1,017.1g CO₂ an hour in eu-south-1
742.5 kg a month. Grid 233 g per kWh.
Lowest-carbon regions for this type. The dirtiest emits 116× the cleanest.
| $1,929.07 | $768.76 | 60% | 3,091 | |
| $1,929.07 | $192.94 | 90% | 3,088 | |
| $2,752.28 | $574.22 | 79% | 2,075 | |
| $2,752.28 | $1,004.99 | 63% | 893 | |
| $2,752.28 | $382.45 | 86% | 1,407 | |
| $2,821.89 | $520.42 | 82% | 522 | |
| $2,821.89 | $451.72 | 84% | 2,422 | |
| $2,889.63 | $288.93 | 90% | 1,929 |
curl "https://prices.cloudadapt.io/api/v1/compute/aws/r8g.16xlarge?region=eu-south-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