db.r5.8xlargevsdb.r5d.8xlarge
db.r5.8xlarge is 12% cheaper than db.r5d.8xlarge on demand in US East (N. Virginia), saving $416.83 a month.
| At a glance | db.r5.8xlarge | db.r5d.8xlarge |
|---|---|---|
| On-demand | $4.00/hr12% less | $4.571/hr |
| Lowest rate | $2.31/hr34% less1-yr reserved, no upfront | $3.52/hr1-yr reserved, no upfront |
| Size | 32 vCPUs, 256 GiB | 32 vCPUs, 256 GiB |
| Processor | Intel Xeon Platinum 8175 | Intel Xeon Platinum 8175 |
| 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.r5.8xlarge | db.r5d.8xlarge | db.r5d.8xlarge vs db.r5.8xlarge |
|---|---|---|---|
| On-demandPay by the hour | $4.00 | $4.571 | ▲ 14% |
| 1-yr reservedNo upfront | 42% off$2.31 | 23% off$3.52 | ▲ 52% |
Key differences
The biggest lead each one has.
Where db.r5.8xlarge leads
On-demand price$4.00 vs $4.571 per hour
12% cheaperWhere db.r5d.8xlarge leads
No clear lead on the measures we compare.
Specs
7 of 26 specs differ. Those are in bold.
| Compute1 of 9 differ | db.r5.8xlarge | db.r5d.8xlarge |
|---|---|---|
| vCPUs | 32 | 32 |
| Physical cores | 16 | 16 |
| Threads per core | 2 | 2 |
| Architecture | x86_64 | x86_64 |
| Processor | Intel Xeon Platinum 8175 | Intel Xeon Platinum 8175 |
| CPU maker | Intel | Intel |
| Clock speed | Up to 3.1 GHz | – |
| Sustained clock | 3.1 GHz | 3.1 GHz |
| Burstable | No | No |
| MemoryAll 1 match | db.r5.8xlarge | db.r5d.8xlarge |
|---|---|---|
| Memory (GiB) | 256 | 256 |
| Networking1 of 3 differ | db.r5.8xlarge | db.r5d.8xlarge |
|---|---|---|
| Network | 10 Gigabit | 10 Gbps |
| Network baseline | 10 Gbps | 10 Gbps |
| Network peak | 10 Gbps | 10 Gbps |
| Storage2 of 8 differ | db.r5.8xlarge | db.r5d.8xlarge |
|---|---|---|
| Storage | EBS Only | 2 x 600 NVMe SSD |
| Local disks | – | 2 × 600 GB SSD |
| EBS baseline bandwidth | 6,800 Mbps | 6,800 Mbps |
| EBS max bandwidth | 6,800 Mbps | 6,800 Mbps |
| EBS baseline throughput | 850 MB/s | 850 MB/s |
| EBS max throughput | 850 MB/s | 850 MB/s |
| EBS baseline IOPS | 30,000 | 30,000 |
| EBS max IOPS | 30,000 | 30,000 |
| Instance details2 of 4 differ | db.r5.8xlarge | db.r5d.8xlarge |
|---|---|---|
| Family | r5 | r5d |
| Category | Memory optimized | Memory optimized |
| Current generation | Yes | Yes |
| Normalization factor | – | 128 |
| Other1 of 1 differ | db.r5.8xlarge | db.r5d.8xlarge |
|---|---|---|
| Hardware Basis | r5.8xlarge | r5d.8xlarge |
On-demand prices by region
Cheapest for db.r5.8xlarge first. PostgreSQL, USD per hour.
| Region | db.r5.8xlarge | db.r5d.8xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $4.00 | $4.571 | ▲ 14% |
| US East (Ohio)us-east-2 | $4.00 | $4.571 | ▲ 14% |
| US West (Oregon)us-west-2 | $4.00 | $4.571 | ▲ 14% |
| EU (Stockholm)eu-north-1 | $4.114 | $4.664 | ▲ 13% |
| Canada (Central)ca-central-1 | $4.324 | $4.952 | ▲ 15% |
| EU (Ireland)eu-west-1 | $4.48 | $5.084 | ▲ 13% |
| US West (N. California)us-west-1 | $4.48 | $5.184 | ▲ 16% |
| Asia Pacific (Hyderabad)ap-south-2 | $4.56 | $20.654 | ▲ 353% |
| Asia Pacific (Mumbai)ap-south-1 | $4.56 | $5.297 | ▲ 16% |
| EU (London)eu-west-2 | $4.704 | $5.371 | ▲ 14% |
| EU (Milan)eu-south-1 | $4.704 | $5.34 | ▲ 14% |
| EU (Paris)eu-west-3 | $4.704 | $5.371 | ▲ 14% |
| Asia Pacific (Jakarta)ap-southeast-3 | $4.80 | $5.495 | ▲ 14% |
| Asia Pacific (Osaka)ap-northeast-3 | $4.80 | $5.495 | ▲ 14% |
| Asia Pacific (Seoul)ap-northeast-2 | $4.80 | $5.463 | ▲ 14% |
| Asia Pacific (Singapore)ap-southeast-1 | $4.80 | $5.495 | ▲ 14% |
| Asia Pacific (Sydney)ap-southeast-2 | $4.80 | $5.531 | ▲ 15% |
| Asia Pacific (Tokyo)ap-northeast-1 | $4.80 | $5.495 | ▲ 14% |
| AWS GovCloud (US-East)us-gov-east-1 | $4.82 | $5.13 | ▲ 6% |
| AWS GovCloud (US-West)us-gov-west-1 | $4.82 | $5.121 | ▲ 6% |
| EU (Frankfurt)eu-central-1 | $4.88 | $5.554 | ▲ 14% |
| Middle East (Bahrain)me-south-1 | $4.928 | $5.596 | ▲ 14% |
| Middle East (UAE)me-central-1 | $4.928 | $5.596 | ▲ 14% |
| Asia Pacific (Hong Kong)ap-east-1 | $5.28 | $5.533 | ▲ 5% |
| Africa (Cape Town)af-south-1 | $5.331 | $6.026 | ▲ 13% |
| South America (Sao Paulo)sa-east-1 | $8.376 | $9.51 | ▲ 14% |
Keep exploring
Each type’s own page, and how it compares with others.
db.r5d.8xlarge
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AWS RDS PostgreSQL prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.