db.r6i.8xlargevsdb.r6id.8xlarge
db.r6i.8xlarge is 16% cheaper than db.r6id.8xlarge on demand in US East (N. Virginia), saving $562.83 a month.
| At a glance | db.r6i.8xlarge | db.r6id.8xlarge |
|---|---|---|
| On-demand | $4.00/hr16% less | $4.771/hr |
| Lowest rate | $2.31/hr37% less1-yr reserved, no upfront | $3.674/hr1-yr reserved, no upfront |
| Size | 32 vCPUs, 256 GiB | 32 vCPUs, 256 GiB |
| Processor | Intel Xeon Scalable Ice Lake | Intel Xeon 8375 |
| Architecture | x86_64 | x86_64 |
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.8xlarge | db.r6id.8xlarge | db.r6id.8xlarge vs db.r6i.8xlarge |
|---|---|---|---|
| On-demandPay by the hour | $4.00 | $4.771 | ▲ 19% |
| 1-yr reservedNo upfront | 42% off$2.31 | 23% off$3.674 | ▲ 59% |
Key differences
The biggest lead each one has.
Where db.r6i.8xlarge leads
On-demand price$4.00 vs $4.771 per hour
16% cheaperWhere db.r6id.8xlarge leads
No clear lead on the measures we compare.
Specs
6 of 25 specs differ. Those are in bold.
| Compute1 of 8 differ | db.r6i.8xlarge | db.r6id.8xlarge |
|---|---|---|
| vCPUs | 32 | 32 |
| Physical cores | 16 | 16 |
| Threads per core | 2 | 2 |
| Architecture | x86_64 | x86_64 |
| Processor | Intel Xeon Scalable Ice Lake | Intel Xeon 8375 |
| CPU maker | Intel | Intel |
| Sustained clock | 3.5 GHz | 3.5 GHz |
| Burstable | No | No |
| MemoryAll 1 match | db.r6i.8xlarge | db.r6id.8xlarge |
|---|---|---|
| Memory (GiB) | 256 | 256 |
| NetworkingAll 3 match | db.r6i.8xlarge | db.r6id.8xlarge |
|---|---|---|
| Network | 12.5 Gbps | 12.5 Gbps |
| Network baseline | 12.5 Gbps | 12.5 Gbps |
| Network peak | 12.5 Gbps | 12.5 Gbps |
| Storage2 of 8 differ | db.r6i.8xlarge | db.r6id.8xlarge |
|---|---|---|
| Storage | EBS Only | 1 x 1900 NVMe SSD |
| Local disks | – | 1 × 1,900 GB SSD |
| EBS baseline bandwidth | 10,000 Mbps | 10,000 Mbps |
| EBS max bandwidth | 10,000 Mbps | 10,000 Mbps |
| EBS baseline throughput | 1,250 MB/s | 1,250 MB/s |
| EBS max throughput | 1,250 MB/s | 1,250 MB/s |
| EBS baseline IOPS | 40,000 | 40,000 |
| EBS max IOPS | 40,000 | 40,000 |
| Instance details2 of 4 differ | db.r6i.8xlarge | db.r6id.8xlarge |
|---|---|---|
| Family | r6i | r6id |
| Category | Memory optimized | Memory optimized |
| Current generation | Yes | Yes |
| Normalization factor | – | 128 |
| Other1 of 1 differ | db.r6i.8xlarge | db.r6id.8xlarge |
|---|---|---|
| Hardware Basis | r6i.8xlarge | r6id.8xlarge |
On-demand prices by region
Cheapest for db.r6i.8xlarge first. PostgreSQL, USD per hour.
| Region | db.r6i.8xlarge | db.r6id.8xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $4.00 | $4.771 | ▲ 19% |
| US East (Ohio)us-east-2 | $4.00 | $4.771 | ▲ 19% |
| US West (Oregon)us-west-2 | $4.00 | $4.771 | ▲ 19% |
| Asia Pacific (Malaysia)ap-southeast-5 | $4.08 | $5.136 | ▲ 26% |
| Asia Pacific (Thailand)ap-southeast-7 | $4.08 | $5.136 | ▲ 26% |
| Mexico (Central)mx-central-1 | $4.208 | $5.008 | ▲ 19% |
| Asia Pacific (Taipei)ap-east-2 | $4.32 | $5.152 | ▲ 19% |
| Canada West (Calgary)ca-west-1 | $4.325 | $5.245 | ▲ 21% |
| EU (Ireland)eu-west-1 | $4.48 | $5.305 | ▲ 18% |
| Israel (Tel Aviv)il-central-1 | $4.70 | $5.605 | ▲ 19% |
| Asia Pacific (Sydney)ap-southeast-2 | $4.80 | $5.772 | ▲ 20% |
| Asia Pacific (Tokyo)ap-northeast-1 | $4.80 | $5.722 | ▲ 19% |
| EU (Frankfurt)eu-central-1 | $4.88 | $5.789 | ▲ 19% |
| Asia Pacific (New Zealand)ap-southeast-6 | $5.04 | $6.064 | ▲ 20% |
Keep exploring
Each type’s own page, and how it compares with others.
db.r6i.8xlarge
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db.r6id.8xlarge
db.r6id.8xlarge prices and specsEvery size in the r6id familyCompare db.r6id.8xlarge with
AWS RDS PostgreSQL prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.