db.m6i.32xlargevsdb.m8i.32xlarge
db.m6i.32xlarge is 5% cheaper than db.m8i.32xlarge on demand in US East (N. Virginia), saving $414.64 a month. Per vCPU, db.m6i.32xlarge costs 52% less.
| At a glance | db.m6i.32xlarge | db.m8i.32xlarge |
|---|---|---|
| On-demand | $11.392/hr5% less | $11.96/hr |
| Lowest rate | $7.296/hr9% less1-yr reserved, no upfront | $8.013/hr1-yr reserved, no upfront |
| Size | 128 vCPUs, 512 GiB | 64 vCPUs, 512 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.m6i.32xlarge | db.m8i.32xlarge | db.m8i.32xlarge vs db.m6i.32xlarge |
|---|---|---|---|
| On-demandPay by the hour | $11.392 | $11.96 | ▲ 5% |
| 1-yr reservedNo upfront | 36% off$7.296 | 33% off$8.013 | ▲ 10% |
| 3-yr reservedNo upfront | — | 53% off$5.621 | — |
| 1-yr savings planHourly commitment | — | 20% off$9.568 | — |
Key differences
The biggest lead each one has.
Where db.m6i.32xlarge leads
On-demand price$11.392 vs $11.96 per hour
5% cheapervCPUs128 vs 64
2× higherWhere db.m8i.32xlarge leads
Sustained clock3.9 GHz vs 3.5 GHz
11% higherSpecs
9 of 24 specs differ. Those are in bold.
| Compute4 of 8 differ | db.m6i.32xlarge | db.m8i.32xlarge |
|---|---|---|
| vCPUs | 128 | 64 |
| Physical cores | 64 | 64 |
| Threads per core | 2 | 2 |
| Architecture | – | x86_64 |
| Processor | – | Intel Xeon Scalable (Granite Rapids) |
| CPU maker | Intel | Intel |
| Sustained clock | 3.5 GHz | 3.9 GHz |
| Burstable | No | No |
| MemoryAll 1 match | db.m6i.32xlarge | db.m8i.32xlarge |
|---|---|---|
| Memory (GiB) | 512 | 512 |
| Networking1 of 3 differ | db.m6i.32xlarge | db.m8i.32xlarge |
|---|---|---|
| Network | – | 50000 Megabit |
| Network baseline | 50 Gbps | 50 Gbps |
| Network peak | 50 Gbps | 50 Gbps |
| StorageAll 7 match | db.m6i.32xlarge | db.m8i.32xlarge |
|---|---|---|
| Storage | EBS Only | EBS Only |
| EBS baseline bandwidth | 40,000 Mbps | 40,000 Mbps |
| EBS max bandwidth | 40,000 Mbps | 40,000 Mbps |
| EBS baseline throughput | 5,000 MB/s | 5,000 MB/s |
| EBS max throughput | 5,000 MB/s | 5,000 MB/s |
| EBS baseline IOPS | 160,000 | 160,000 |
| EBS max IOPS | 160,000 | 160,000 |
| Instance details3 of 4 differ | db.m6i.32xlarge | db.m8i.32xlarge |
|---|---|---|
| Family | m6i | m8i |
| Category | General purpose | General purpose |
| Current generation | – | Yes |
| Normalization factor | 256 | – |
| Other1 of 1 differ | db.m6i.32xlarge | db.m8i.32xlarge |
|---|---|---|
| Hardware Basis | m6i.32xlarge | m8i.32xlarge |
On-demand prices by region
Cheapest for db.m6i.32xlarge first. PostgreSQL, USD per hour.
| Region | db.m6i.32xlarge | db.m8i.32xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $11.392 | $11.96 | ▲ 5% |
| US East (Ohio)us-east-2 | $11.392 | $11.96 | ▲ 5% |
| US West (Oregon)us-west-2 | $11.392 | $11.96 | ▲ 5% |
| Canada (Central)ca-central-1 | $12.544 | $13.17 | ▲ 5% |
| Canada West (Calgary)ca-west-1 | $12.544 | $13.17 | ▲ 5% |
| EU (Ireland)eu-west-1 | $12.608 | $13.238 | ▲ 5% |
| Europe (Spain)eu-south-2 | $12.608 | $13.24 | ▲ 5% |
| US West (N. California)us-west-1 | $12.992 | $13.64 | ▲ 5% |
| EU (London)eu-west-2 | $13.184 | $13.843 | ▲ 5% |
| EU (Paris)eu-west-3 | $13.184 | $13.84 | ▲ 5% |
| Asia Pacific (Malaysia)ap-southeast-5 | $13.44 | $14.82 | ▲ 10% |
| EU (Frankfurt)eu-central-1 | $13.568 | $14.25 | ▲ 5% |
| South America (Sao Paulo)sa-east-1 | $14.912 | $15.66 | ▲ 5% |
| Africa (Cape Town)af-south-1 | $14.976 | $15.88 | ▲ 6% |
| Asia Pacific (Seoul)ap-northeast-2 | $15.808 | $16.60 | ▲ 5% |
| Asia Pacific (Singapore)ap-southeast-1 | $15.808 | $16.60 | ▲ 5% |
| Asia Pacific (Sydney)ap-southeast-2 | $15.808 | $16.60 | ▲ 5% |
| Asia Pacific (Tokyo)ap-northeast-1 | $15.808 | $16.60 | ▲ 5% |
| Asia Pacific (Hyderabad)ap-south-2 | $16.192 | $17.00 | ▲ 5% |
| Asia Pacific (Mumbai)ap-south-1 | $16.192 | $17.00 | ▲ 5% |
| Asia Pacific (New Zealand)ap-southeast-6 | $16.602 | $17.432 | ▲ 5% |
Keep exploring
Each type’s own page, and how it compares with others.
db.m6i.32xlarge
db.m6i.32xlarge prices and specsEvery size in the m6i familyCompare db.m6i.32xlarge with
db.m8i.32xlarge
db.m8i.32xlarge prices and specsEvery size in the m8i familyCompare db.m8i.32xlarge with
AWS RDS PostgreSQL prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.