db.r6i.2xlargevsdb.r6idn.2xlarge
db.r6i.2xlarge is 36% cheaper than db.r6idn.2xlarge on demand in US East (N. Virginia), saving $402.23 a month.
| At a glance | db.r6i.2xlarge | db.r6idn.2xlarge |
|---|---|---|
| On-demand | $1.00/hr36% less | $1.551/hr |
| Lowest rate | $0.5776/hr52% less1-yr reserved, no upfront | $1.194/hr1-yr reserved, no upfront |
| Size | 8 vCPUs, 64 GiB | 8 vCPUs, 64 GiB |
Prices in US East (N. Virginia)
“Off” is the discount against each type’s own on-demand price. PostgreSQL, USD per hour.
| Option | db.r6i.2xlarge | db.r6idn.2xlarge | db.r6idn.2xlarge vs db.r6i.2xlarge |
|---|---|---|---|
| On-demandPay by the hour | $1.00 | $1.551 | ▲ 55% |
| 1-yr reservedNo upfront | 42% off$0.5776 | 23% off$1.194 | ▲ 107% |
Key differences
The biggest lead each one has.
Where db.r6i.2xlarge leads
On-demand price$1.00 vs $1.551 per hour
36% cheaperWhere db.r6idn.2xlarge leads
Network baseline12.5 Gbps vs 3.125 Gbps
4× higherEBS baseline bandwidth6,250 Mbps vs 2,500 Mbps
2.5× higherSpecs
18 of 25 specs differ. Those are in bold.
| Compute2 of 8 differ | db.r6i.2xlarge | db.r6idn.2xlarge |
|---|---|---|
| vCPUs | 8 | 8 |
| Physical cores | 4 | 4 |
| Threads per core | 2 | 2 |
| Architecture | – | x86_64 |
| Processor | – | Intel Xeon Scalable Ice Lake |
| CPU maker | Intel | Intel |
| Sustained clock | 3.5 GHz | 3.5 GHz |
| Burstable | No | No |
| MemoryAll 1 match | db.r6i.2xlarge | db.r6idn.2xlarge |
|---|---|---|
| Memory (GiB) | 64 | 64 |
| Networking3 of 3 differ | db.r6i.2xlarge | db.r6idn.2xlarge |
|---|---|---|
| Network | – | Up to 40 Gbps |
| Network baseline | 3.125 Gbps | 12.5 Gbps |
| Network peak | 12.5 Gbps | 40 Gbps |
| Storage8 of 8 differ | db.r6i.2xlarge | db.r6idn.2xlarge |
|---|---|---|
| Storage | – | 1 x 474 NVMe SSD |
| Local disks | – | 1 × 474 GB SSD |
| EBS baseline bandwidth | 2,500 Mbps | 6,250 Mbps |
| EBS max bandwidth | 10,000 Mbps | 25,000 Mbps |
| EBS baseline throughput | 312.5 MB/s | 781.25 MB/s |
| EBS max throughput | 1,250 MB/s | 3,125 MB/s |
| EBS baseline IOPS | 12,000 | 25,000 |
| EBS max IOPS | 40,000 | 100,000 |
| Instance details4 of 4 differ | db.r6i.2xlarge | db.r6idn.2xlarge |
|---|---|---|
| Family | r6i | r6idn |
| Category | – | Memory optimized |
| Current generation | – | Yes |
| Normalization factor | 16 | 32 |
| Other1 of 1 differ | db.r6i.2xlarge | db.r6idn.2xlarge |
|---|---|---|
| Hardware Basis | r6i.2xlarge | r6idn.2xlarge |
On-demand prices by region
Cheapest for db.r6i.2xlarge first. PostgreSQL, USD per hour.
| Region | db.r6i.2xlarge | db.r6idn.2xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $1.00 | $1.551 | ▲ 55% |
| US East (Ohio)us-east-2 | $1.00 | $1.551 | ▲ 55% |
| US West (Oregon)us-west-2 | $1.00 | $1.551 | ▲ 55% |
| EU (Ireland)eu-west-1 | $1.12 | $1.729 | ▲ 54% |
| Asia Pacific (Tokyo)ap-northeast-1 | $1.20 | $1.875 | ▲ 56% |
Keep exploring
Each type’s own page, and how it compares with others.
db.r6i.2xlarge
db.r6i.2xlarge prices and specsEvery size in the r6i familyCompare db.r6i.2xlarge with
db.r6idn.2xlarge
db.r6idn.2xlarge prices and specsEvery size in the r6idn familyCompare db.r6idn.2xlarge with
AWS RDS PostgreSQL prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.