The r8g.8xlarge is a memory optimised instance in the r8g family with 32 vCPU and 256 GiB of memory on AWS Graviton4 (Arm). It costs $1,507.19 a month on-demand in ca-west-1 (Calgary) 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 $40,675 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.
212.8g CO₂ an hour in ca-west-1
155.4 kg a month. Grid 185 g per kWh.
Lowest-carbon regions for this type. The dirtiest emits 116× the cleanest.
| $964.53 | $96.43 | 90% | 812 | |
| $964.53 | $386.97 | 60% | 813 | |
| $1,376.14 | $281.56 | 80% | 370 | |
| $1,376.14 | $294.26 | 79% | 546 | |
| $1,376.14 | $605.90 | 56% | 235 | |
| $1,410.94 | $207.54 | 85% | 137 | |
| $1,410.94 | $410.41 | 71% | 637 | |
| $1,444.82 | $203.67 | 86% | 508 |
curl "https://prices.cloudadapt.io/api/v1/compute/aws/r8g.8xlarge?region=ca-west-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