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The r5b.xlarge is a memory optimised instance in the r5b family with 4 vCPU and 32 GiB of memory on Intel Xeon Platinum 8259 (Cascade Lake). It costs $255.50 a month on-demand in eu-south-1 (Milan) and is offered in 14 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 $7,442 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.
28.2g CO₂ an hour in eu-south-1
20.6 kg a month. Grid 233 g per kWh.
Lowest-carbon regions for this type. The dirtiest emits 99× the cleanest.
| $217.54 | $81.32 | 63% | 39 | |
| $217.54 | $59.13 | 73% | 58 | |
| $217.54 | $80.15 | 63% | 25 | |
| $230.59 | $34.97 | 85% | 1 | |
| $237.98 | $80.45 | 66% | 16 | |
| $243.82 | $102.49 | 58% | 38 | |
| $255.50 | $48.76 | 81% | 28 | |
| $255.50 | $80.37 | 69% | 28 |
curl "https://prices.cloudadapt.io/api/v1/compute/aws/r5b.xlarge?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