db.r7i.2xlargevsdb.r8i.2xlarge
db.r7i.2xlarge is 5% cheaper than db.r8i.2xlarge on demand in US East (N. Virginia), saving $36.50 a month.
| At a glance | db.r7i.2xlarge | db.r8i.2xlarge |
|---|---|---|
| On-demand | $1.00/hr5% less | $1.05/hr |
| Lowest rate | $0.67/hr5% less1-yr reserved, no upfront | $0.7035/hr1-yr reserved, no upfront |
| Size | 4 vCPUs, 64 GiB | 4 vCPUs, 64 GiB |
| Processor | Intel Xeon Scalable (Sapphire Rapids 8488C) | Intel Xeon Scalable (Granite Rapids) |
| 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.r7i.2xlarge | db.r8i.2xlarge | db.r8i.2xlarge vs db.r7i.2xlarge |
|---|---|---|---|
| On-demandPay by the hour | $1.00 | $1.05 | ▲ 5% |
| 1-yr reservedNo upfront | 33% off$0.67 | 33% off$0.7035 | ▲ 5% |
| 3-yr reservedNo upfront | — | 53% off$0.4935 | — |
| 1-yr savings planHourly commitment | 20% off$0.8 | 20% off$0.84 | ▲ 5% |
Key differences
The biggest lead each one has.
Where db.r7i.2xlarge leads
On-demand price$1.00 vs $1.05 per hour
5% cheaperWhere db.r8i.2xlarge leads
Sustained clock3.9 GHz vs 3.2 GHz
22% higherNetwork baseline3.75 Gbps vs 3.125 Gbps
20% higherSpecs
7 of 23 specs differ. Those are in bold.
| Compute2 of 8 differ | db.r7i.2xlarge | db.r8i.2xlarge |
|---|---|---|
| vCPUs | 4 | 4 |
| Physical cores | 4 | 4 |
| Threads per core | 2 | 2 |
| Architecture | x86_64 | x86_64 |
| Processor | Intel Xeon Scalable (Sapphire Rapids 8488C) | Intel Xeon Scalable (Granite Rapids) |
| CPU maker | Intel | Intel |
| Sustained clock | 3.2 GHz | 3.9 GHz |
| Burstable | No | No |
| MemoryAll 1 match | db.r7i.2xlarge | db.r8i.2xlarge |
|---|---|---|
| Memory (GiB) | 64 | 64 |
| Networking3 of 3 differ | db.r7i.2xlarge | db.r8i.2xlarge |
|---|---|---|
| Network | Up to 12.5 Gbps | Up to 15000 Megabit |
| Network baseline | 3.125 Gbps | 3.75 Gbps |
| Network peak | 12.5 Gbps | 15 Gbps |
| StorageAll 7 match | db.r7i.2xlarge | db.r8i.2xlarge |
|---|---|---|
| Storage | EBS Only | EBS Only |
| EBS baseline bandwidth | 2,500 Mbps | 2,500 Mbps |
| EBS max bandwidth | 10,000 Mbps | 10,000 Mbps |
| EBS baseline throughput | 312.5 MB/s | 312.5 MB/s |
| EBS max throughput | 1,250 MB/s | 1,250 MB/s |
| EBS baseline IOPS | 12,000 | 12,000 |
| EBS max IOPS | 40,000 | 40,000 |
| Instance details1 of 3 differ | db.r7i.2xlarge | db.r8i.2xlarge |
|---|---|---|
| Family | r7i | r8i |
| Category | Memory optimized | Memory optimized |
| Current generation | Yes | Yes |
| Other1 of 1 differ | db.r7i.2xlarge | db.r8i.2xlarge |
|---|---|---|
| Hardware Basis | r7i.2xlarge | r8i.2xlarge |
On-demand prices by region
Cheapest for db.r7i.2xlarge first. PostgreSQL, USD per hour.
| Region | db.r7i.2xlarge | db.r8i.2xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $1.00 | $1.05 | ▲ 5% |
| US East (Ohio)us-east-2 | $1.00 | $1.05 | ▲ 5% |
| US West (Oregon)us-west-2 | $1.00 | $1.05 | ▲ 5% |
| Asia Pacific (Malaysia)ap-southeast-5 | $1.02 | $1.07 | ▲ 5% |
| EU (Stockholm)eu-north-1 | $1.028 | $1.079 | ▲ 5% |
| Canada (Central)ca-central-1 | $1.08 | $1.13 | ▲ 5% |
| EU (Ireland)eu-west-1 | $1.12 | $1.18 | ▲ 5% |
| Europe (Spain)eu-south-2 | $1.12 | $1.18 | ▲ 5% |
| US West (N. California)us-west-1 | $1.12 | $1.18 | ▲ 5% |
| Asia Pacific (Mumbai)ap-south-1 | $1.14 | $1.20 | ▲ 5% |
| EU (London)eu-west-2 | $1.176 | $1.23 | ▲ 5% |
| EU (Milan)eu-south-1 | $1.176 | $1.23 | ▲ 5% |
| EU (Paris)eu-west-3 | $1.176 | $1.23 | ▲ 5% |
| Asia Pacific (Seoul)ap-northeast-2 | $1.20 | $1.26 | ▲ 5% |
| Asia Pacific (Singapore)ap-southeast-1 | $1.20 | $1.26 | ▲ 5% |
| Asia Pacific (Sydney)ap-southeast-2 | $1.20 | $1.26 | ▲ 5% |
| Asia Pacific (Tokyo)ap-northeast-1 | $1.20 | $1.26 | ▲ 5% |
| EU (Frankfurt)eu-central-1 | $1.22 | $1.28 | ▲ 5% |
| Asia Pacific (New Zealand)ap-southeast-6 | $1.26 | $1.32 | ▲ 5% |
| Asia Pacific (Hyderabad)ap-south-2 | $1.32 | $1.20 | ▼ 9% |
| South America (Sao Paulo)sa-east-1 | $1.59 | $1.654 | ▲ 4% |
Keep exploring
Each type’s own page, and how it compares with others.
db.r7i.2xlarge
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db.r8i.2xlarge
db.r8i.2xlarge prices and specsEvery size in the r8i familyCompare db.r8i.2xlarge with
AWS RDS PostgreSQL prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.