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The r5b.16xlarge is a memory optimised instance in the r5b family with 64 vCPU and 512 GiB of memory on Intel Xeon Platinum 8259 (Cascade Lake). It costs $3,480.64 a month on-demand in us-east-1 (N. Virginia) 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 $76,738 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.
8,890g CO₂ an hour in us-east-1
6,489.7 kg a month. Grid 322 g per kWh.
Lowest-carbon regions for this type. The dirtiest emits 99× the cleanest.
| $3,480.64 | $1,155.37 | 67% | 13,107 | |
| $3,480.64 | $1,349.04 | 61% | 8,890 | |
| $3,480.64 | $1,574.61 | 55% | 5,643 | |
| $3,689.48 | $368.94 | 90% | 221 | |
| $3,807.68 | $380.77 | 90% | 3,585 | |
| $3,901.12 | $1,760.91 | 55% | 8,714 | |
| $4,088.00 | $1,724.92 | 58% | 6,287 | |
| $4,088.00 | $684.08 | 83% | 6,425 |
curl "https://prices.cloudadapt.io/api/v1/compute/aws/r5b.16xlarge?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