db.m7g.8xlargevsdb.m7i.8xlarge
db.m7g.8xlarge is 5% cheaper than db.m7i.8xlarge on demand in US East (N. Virginia), saving $110.96 a month. Per vCPU, db.m7g.8xlarge costs 53% less. They use different processor architectures (arm64 and x86_64), so software built for one may need rebuilding to run on the other.
| At a glance | db.m7g.8xlarge | db.m7i.8xlarge |
|---|---|---|
| On-demand | $2.696/hr5% less | $2.848/hr |
| Lowest rate | $2.076/hr1-yr reserved, no upfront | $1.908/hr8% less1-yr reserved, no upfront |
| Size | 32 vCPUs, 128 GiB | 16 vCPUs, 128 GiB |
| Architecture | arm64 | 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.m7g.8xlarge | db.m7i.8xlarge | db.m7i.8xlarge vs db.m7g.8xlarge |
|---|---|---|---|
| On-demandPay by the hour | $2.696 | $2.848 | ▲ 6% |
| 1-yr reservedNo upfront | 23% off$2.076 | 33% off$1.908 | ▼ 8% |
| 1-yr savings planHourly commitment | 20% off$2.157 | 20% off$2.278 | ▲ 6% |
Key differences
The biggest lead each one has.
Where db.m7g.8xlarge leads
On-demand price$2.696 vs $2.848 per hour
5% cheapervCPUs32 vs 16
2× higherNetwork baseline15 Gbps vs 12.5 Gbps
20% higherWhere db.m7i.8xlarge leads
Sustained clock3.2 GHz vs 2.6 GHz
23% higherSpecs
16 of 24 specs differ. Those are in bold.
| Compute7 of 8 differ | db.m7g.8xlarge | db.m7i.8xlarge |
|---|---|---|
| vCPUs | 32 | 16 |
| Physical cores | 32 | 16 |
| Threads per core | 1 | 2 |
| Architecture | arm64 | x86_64 |
| Processor | – | Intel Xeon Scalable (Sapphire Rapids 8488C) |
| CPU maker | AWS | Intel |
| Sustained clock | 2.6 GHz | 3.2 GHz |
| Burstable | No | No |
| MemoryAll 1 match | db.m7g.8xlarge | db.m7i.8xlarge |
|---|---|---|
| Memory (GiB) | 128 | 128 |
| Networking3 of 3 differ | db.m7g.8xlarge | db.m7i.8xlarge |
|---|---|---|
| Network | – | 12.5 Gbps |
| Network baseline | 15 Gbps | 12.5 Gbps |
| Network peak | 15 Gbps | 12.5 Gbps |
| Storage1 of 7 differ | db.m7g.8xlarge | db.m7i.8xlarge |
|---|---|---|
| Storage | – | EBS Only |
| 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 details4 of 4 differ | db.m7g.8xlarge | db.m7i.8xlarge |
|---|---|---|
| Family | m7g | m7i |
| Category | – | General purpose |
| Current generation | – | Yes |
| Normalization factor | 64 | – |
| Other1 of 1 differ | db.m7g.8xlarge | db.m7i.8xlarge |
|---|---|---|
| Hardware Basis | m7g.8xlarge | m7i.8xlarge |
On-demand prices by region
Cheapest for db.m7g.8xlarge first. PostgreSQL, USD per hour.
| Region | db.m7g.8xlarge | db.m7i.8xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $2.696 | $2.848 | ▲ 6% |
| US East (Ohio)us-east-2 | $2.696 | $2.848 | ▲ 6% |
| US West (Oregon)us-west-2 | $2.696 | $2.848 | ▲ 6% |
| Mexico (Central)mx-central-1 | $2.816 | $2.992 | ▲ 6% |
| EU (Stockholm)eu-north-1 | $2.832 | $2.992 | ▲ 6% |
| Canada (Central)ca-central-1 | $2.97 | $3.136 | ▲ 6% |
| EU (Ireland)eu-west-1 | $2.98 | $3.152 | ▲ 6% |
| Europe (Spain)eu-south-2 | $2.982 | $3.152 | ▲ 6% |
| US West (N. California)us-west-1 | $3.072 | $3.248 | ▲ 6% |
| EU (Paris)eu-west-3 | $3.12 | $3.296 | ▲ 6% |
| EU (London)eu-west-2 | $3.123 | $3.296 | ▲ 6% |
| Israel (Tel Aviv)il-central-1 | $3.152 | $3.31 | ▲ 5% |
| AWS GovCloud (US-East)us-gov-east-1 | $3.168 | $3.36 | ▲ 6% |
| Asia Pacific (Malaysia)ap-southeast-5 | $3.184 | $3.36 | ▲ 6% |
| Asia Pacific (Thailand)ap-southeast-7 | $3.184 | $3.36 | ▲ 6% |
| EU (Frankfurt)eu-central-1 | $3.205 | $3.392 | ▲ 6% |
| Middle East (UAE)me-central-1 | $3.28 | $3.472 | ▲ 6% |
| Asia Pacific (Taipei)ap-east-2 | $3.376 | $3.552 | ▲ 5% |
| Europe (Zurich)eu-central-2 | $3.536 | $3.728 | ▲ 5% |
| South America (Sao Paulo)sa-east-1 | $3.536 | $3.728 | ▲ 5% |
| Asia Pacific (Singapore)ap-southeast-1 | $3.747 | $3.952 | ▲ 5% |
| Asia Pacific (Sydney)ap-southeast-2 | $3.747 | $3.952 | ▲ 5% |
| Asia Pacific (Tokyo)ap-northeast-1 | $3.747 | $3.952 | ▲ 5% |
| Asia Pacific (Seoul)ap-northeast-2 | $3.75 | $3.952 | ▲ 5% |
| Asia Pacific (Jakarta)ap-southeast-3 | $3.76 | $3.952 | ▲ 5% |
| Asia Pacific (Melbourne)ap-southeast-4 | $3.76 | $3.952 | ▲ 5% |
| Asia Pacific (Mumbai)ap-south-1 | $3.832 | $4.048 | ▲ 6% |
| Asia Pacific (New Zealand)ap-southeast-6 | $3.931 | $4.15 | ▲ 6% |
| Asia Pacific (Osaka)ap-northeast-3 | $3.984 | $4.144 | ▲ 4% |
Keep exploring
Each type’s own page, and how it compares with others.
db.m7g.8xlarge
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db.m7i.8xlarge
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AWS RDS PostgreSQL prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.