db.r6i.8xlargevsdb.r7i.8xlarge
db.r6i.8xlarge and db.r7i.8xlarge cost the same on demand in US East (N. Virginia), $4.00 per hour.
| At a glance | db.r6i.8xlarge | db.r7i.8xlarge |
|---|---|---|
| On-demand | $4.00/hr | $4.00/hr |
| Lowest rate | $2.31/hr14% less1-yr reserved, no upfront | $2.68/hr1-yr reserved, no upfront |
| Size | 32 vCPUs, 256 GiB | 32 vCPUs, 256 GiB |
| Processor | Intel Xeon Scalable Ice Lake | Intel Xeon Scalable (Sapphire Rapids 8488C) |
| 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.r7i.8xlarge | db.r7i.8xlarge vs db.r6i.8xlarge |
|---|---|---|---|
| On-demandPay by the hour | $4.00 | $4.00 | Same |
| 1-yr reservedNo upfront | 42% off$2.31 | 33% off$2.68 | ▲ 16% |
| 1-yr savings planHourly commitment | — | 20% off$3.20 | — |
Key differences
The biggest lead each one has.
Where db.r6i.8xlarge leads
Sustained clock3.5 GHz vs 3.2 GHz
9% higherWhere db.r7i.8xlarge leads
No clear lead on the measures we compare.
Specs
6 of 24 specs differ. Those are in bold.
| Compute2 of 8 differ | db.r6i.8xlarge | db.r7i.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 Scalable (Sapphire Rapids 8488C) |
| CPU maker | Intel | Intel |
| Sustained clock | 3.5 GHz | 3.2 GHz |
| Burstable | No | No |
| MemoryAll 1 match | db.r6i.8xlarge | db.r7i.8xlarge |
|---|---|---|
| Memory (GiB) | 256 | 256 |
| NetworkingAll 3 match | db.r6i.8xlarge | db.r7i.8xlarge |
|---|---|---|
| Network | 12.5 Gbps | 12.5 Gbps |
| Network baseline | 12.5 Gbps | 12.5 Gbps |
| Network peak | 12.5 Gbps | 12.5 Gbps |
| Storage1 of 7 differ | db.r6i.8xlarge | db.r7i.8xlarge |
|---|---|---|
| Storage | EBS Only | Aurora IO Optimization Mode |
| 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.r7i.8xlarge |
|---|---|---|
| Family | r6i | r7i |
| Category | Memory optimized | Memory optimized |
| Current generation | Yes | Yes |
| Normalization factor | – | 83.2 |
| Other1 of 1 differ | db.r6i.8xlarge | db.r7i.8xlarge |
|---|---|---|
| Hardware Basis | r6i.8xlarge | r7i.8xlarge |
On-demand prices by region
Cheapest for db.r6i.8xlarge first. PostgreSQL, USD per hour.
| Region | db.r6i.8xlarge | db.r7i.8xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $4.00 | $4.00 | Same |
| US East (Ohio)us-east-2 | $4.00 | $4.00 | Same |
| US West (Oregon)us-west-2 | $4.00 | $4.00 | Same |
| Asia Pacific (Malaysia)ap-southeast-5 | $4.08 | $4.08 | Same |
| Asia Pacific (Thailand)ap-southeast-7 | $4.08 | $4.752 | ▲ 16% |
| EU (Stockholm)eu-north-1 | $4.112 | $4.112 | Same |
| Mexico (Central)mx-central-1 | $4.208 | $4.208 | Same |
| Asia Pacific (Taipei)ap-east-2 | $4.32 | $4.32 | Same |
| Canada (Central)ca-central-1 | $4.325 | $4.32 | Same |
| EU (Ireland)eu-west-1 | $4.48 | $4.48 | Same |
| US West (N. California)us-west-1 | $4.48 | $4.48 | Same |
| Asia Pacific (Mumbai)ap-south-1 | $4.56 | $4.56 | Same |
| EU (London)eu-west-2 | $4.704 | $4.704 | Same |
| EU (Milan)eu-south-1 | $4.704 | $4.704 | Same |
| EU (Paris)eu-west-3 | $4.704 | $4.704 | Same |
| Asia Pacific (Osaka)ap-northeast-3 | $4.80 | $5.60 | ▲ 17% |
| Asia Pacific (Seoul)ap-northeast-2 | $4.80 | $4.80 | Same |
| Asia Pacific (Singapore)ap-southeast-1 | $4.80 | $4.80 | Same |
| Asia Pacific (Sydney)ap-southeast-2 | $4.80 | $4.80 | Same |
| Asia Pacific (Tokyo)ap-northeast-1 | $4.80 | $4.80 | Same |
| EU (Frankfurt)eu-central-1 | $4.88 | $4.88 | Same |
| Asia Pacific (New Zealand)ap-southeast-6 | $5.04 | $5.04 | Same |
| AWS GovCloud (US-East)us-gov-east-1 | $5.60 | $4.80 | ▼ 14% |
| AWS GovCloud (US-West)us-gov-west-1 | $5.60 | $4.80 | ▼ 14% |
| Europe (Spain)eu-south-2 | $6.656 | $4.48 | ▼ 33% |
| Asia Pacific (Hyderabad)ap-south-2 | $6.864 | $5.28 | ▼ 23% |
| Asia Pacific (Jakarta)ap-southeast-3 | $7.28 | $4.80 | ▼ 34% |
| Asia Pacific (Melbourne)ap-southeast-4 | $7.28 | $5.60 | ▼ 23% |
| South America (Sao Paulo)sa-east-1 | $8.384 | $6.36 | ▼ 24% |
Keep exploring
Each type’s own page, and how it compares with others.
db.r6i.8xlarge
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db.r7i.8xlarge
db.r7i.8xlarge prices and specsEvery size in the r7i familyCompare db.r7i.8xlarge with
AWS RDS PostgreSQL prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.