db.m6g.16xlargevsdb.r6g.16xlarge
db.m6g.16xlarge is 29% cheaper than db.r6g.16xlarge on demand in US East (N. Virginia), saving $1,537.38 a month.
| At a glance | db.m6g.16xlarge | db.r6g.16xlarge |
|---|---|---|
| On-demand | $5.088/hr29% less | $7.194/hr |
| Lowest rate | $3.259/hr22% less1-yr reserved, no upfront | $4.155/hr1-yr reserved, no upfront |
| Size | 64 vCPUs, 256 GiB | 64 vCPUs, 512 GiB |
| Processor | AWS Graviton2 | AWS Graviton2 |
| Architecture | arm64 | arm64 |
Prices in US East (N. Virginia)
“Off” is the discount against each type’s own on-demand price. PostgreSQL, USD per hour.
| Option | db.m6g.16xlarge | db.r6g.16xlarge | db.r6g.16xlarge vs db.m6g.16xlarge |
|---|---|---|---|
| On-demandPay by the hour | $5.088 | $7.194 | ▲ 41% |
| 1-yr reservedNo upfront | 36% off$3.259 | 42% off$4.155 | ▲ 28% |
Key differences
The biggest lead each one has.
Where db.m6g.16xlarge leads
On-demand price$5.088 vs $7.194 per hour
29% cheaperWhere db.r6g.16xlarge leads
Memory (GiB)512 vs 256
2× higherSpecs
5 of 24 specs differ. Those are in bold.
| ComputeAll 8 match | db.m6g.16xlarge | db.r6g.16xlarge |
|---|---|---|
| vCPUs | 64 | 64 |
| Physical cores | 64 | 64 |
| Threads per core | 1 | 1 |
| Architecture | arm64 | arm64 |
| Processor | AWS Graviton2 | AWS Graviton2 |
| CPU maker | AWS | AWS |
| Sustained clock | 2.5 GHz | 2.5 GHz |
| Burstable | No | No |
| Memory1 of 1 differ | db.m6g.16xlarge | db.r6g.16xlarge |
|---|---|---|
| Memory (GiB) | 256 | 512 |
| NetworkingAll 3 match | db.m6g.16xlarge | db.r6g.16xlarge |
|---|---|---|
| Network | 25 Gigabit | 25 Gigabit |
| Network baseline | 25 Gbps | 25 Gbps |
| Network peak | 25 Gbps | 25 Gbps |
| StorageAll 7 match | db.m6g.16xlarge | db.r6g.16xlarge |
|---|---|---|
| Storage | EBS Only | EBS Only |
| EBS baseline bandwidth | 19,000 Mbps | 19,000 Mbps |
| EBS max bandwidth | 19,000 Mbps | 19,000 Mbps |
| EBS baseline throughput | 2,375 MB/s | 2,375 MB/s |
| EBS max throughput | 2,375 MB/s | 2,375 MB/s |
| EBS baseline IOPS | 80,000 | 80,000 |
| EBS max IOPS | 80,000 | 80,000 |
| Instance details3 of 4 differ | db.m6g.16xlarge | db.r6g.16xlarge |
|---|---|---|
| Family | m6g | r6g |
| Category | General purpose | Memory optimized |
| Current generation | Yes | Yes |
| Normalization factor | 256 | 128 |
| Other1 of 1 differ | db.m6g.16xlarge | db.r6g.16xlarge |
|---|---|---|
| Hardware Basis | m6g.16xlarge | r6g.16xlarge |
On-demand prices by region
Cheapest for db.m6g.16xlarge first. PostgreSQL, USD per hour.
| Region | db.m6g.16xlarge | db.r6g.16xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $5.088 | $7.194 | ▲ 41% |
| US East (Ohio)us-east-2 | $5.088 | $7.194 | ▲ 41% |
| US West (Oregon)us-west-2 | $5.088 | $7.194 | ▲ 41% |
| Mexico (Central)mx-central-1 | $5.344 | $7.552 | ▲ 41% |
| EU (Stockholm)eu-north-1 | $5.345 | $7.395 | ▲ 38% |
| Canada (Central)ca-central-1 | $5.603 | $7.778 | ▲ 39% |
| Canada West (Calgary)ca-west-1 | $5.603 | $7.778 | ▲ 39% |
| EU (Ireland)eu-west-1 | $5.631 | $8.057 | ▲ 43% |
| Europe (Spain)eu-south-2 | $5.632 | $8.064 | ▲ 43% |
| US West (N. California)us-west-1 | $5.803 | $8.057 | ▲ 39% |
| EU (London)eu-west-2 | $5.888 | $8.46 | ▲ 44% |
| EU (Paris)eu-west-3 | $5.888 | $8.448 | ▲ 43% |
| Israel (Tel Aviv)il-central-1 | $5.914 | $8.47 | ▲ 43% |
| EU (Milan)eu-south-1 | $5.92 | $8.448 | ▲ 43% |
| AWS GovCloud (US-East)us-gov-east-1 | $5.946 | $8.634 | ▲ 45% |
| AWS GovCloud (US-West)us-gov-west-1 | $5.946 | $8.634 | ▲ 45% |
| Asia Pacific (Malaysia)ap-southeast-5 | $6.016 | $7.36 | ▲ 22% |
| Asia Pacific (Thailand)ap-southeast-7 | $6.016 | $7.36 | ▲ 22% |
| EU (Frankfurt)eu-central-1 | $6.06 | $8.776 | ▲ 45% |
| Middle East (Bahrain)me-south-1 | $6.176 | $8.863 | ▲ 44% |
| Middle East (UAE)me-central-1 | $6.176 | $8.864 | ▲ 44% |
| Asia Pacific (Taipei)ap-east-2 | $6.368 | $7.776 | ▲ 22% |
| Europe (Zurich)eu-central-2 | $6.656 | $9.645 | ▲ 45% |
| South America (Sao Paulo)sa-east-1 | $6.66 | $14.967 | ▲ 125% |
| Africa (Cape Town)af-south-1 | $6.675 | $9.581 | ▲ 44% |
| Asia Pacific (Jakarta)ap-southeast-3 | $7.06 | $8.632 | ▲ 22% |
| Asia Pacific (Melbourne)ap-southeast-4 | $7.06 | $8.632 | ▲ 22% |
| Asia Pacific (Seoul)ap-northeast-2 | $7.06 | $8.632 | ▲ 22% |
| Asia Pacific (Singapore)ap-southeast-1 | $7.06 | $8.632 | ▲ 22% |
| Asia Pacific (Sydney)ap-southeast-2 | $7.06 | $8.632 | ▲ 22% |
| Asia Pacific (Tokyo)ap-northeast-1 | $7.06 | $8.632 | ▲ 22% |
| Asia Pacific (Hyderabad)ap-south-2 | $7.232 | $8.192 | ▲ 13% |
| Asia Pacific (Mumbai)ap-south-1 | $7.232 | $8.201 | ▲ 13% |
| Asia Pacific (New Zealand)ap-southeast-6 | $7.427 | $9.072 | ▲ 22% |
| Asia Pacific (Osaka)ap-northeast-3 | $7.494 | $8.627 | ▲ 15% |
| Asia Pacific (Hong Kong)ap-east-1 | $7.766 | $9.496 | ▲ 22% |
Keep exploring
Each type’s own page, and how it compares with others.
db.m6g.16xlarge
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db.r6g.16xlarge
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AWS RDS PostgreSQL prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.