The r8g.xlarge is a memory optimised instance in the r8g family with 4 vCPU and 32 GiB of memory on AWS Graviton4 (Arm). It costs $172.02 a month on-demand in us-east-1 (N. Virginia) 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 $4,553 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.
9.8g CO₂ an hour in us-east-1
7.2 kg a month. Grid 322 g per kWh.
Lowest-carbon regions for this type. The dirtiest emits 116× the cleanest.
| $120.57 | $54.82 | 55% | 22 | |
| $120.57 | $12.05 | 90% | 22 | |
| $172.02 | $35.99 | 79% | 14 | |
| $172.02 | $51.90 | 70% | 6 | |
| $172.02 | $45.55 | 74% | 10 | |
| $176.37 | $51.46 | 71% | 4 | |
| $176.37 | $56.21 | 68% | 17 | |
| $180.60 | $30.59 | 83% | 13 |
curl "https://prices.cloudadapt.io/api/v1/compute/aws/r8g.xlarge?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