db.m6in.8xlargevsdb.r6in.8xlarge
db.m6in.8xlarge is 25% cheaper than db.r6in.8xlarge on demand in US East (N. Virginia), saving $1,024.19 a month.
| At a glance | db.m6in.8xlarge | db.r6in.8xlarge |
|---|---|---|
| On-demand | $4.131/hr25% less | $5.534/hr |
| Lowest rate | $3.181/hr25% less1-yr reserved, no upfront | $4.261/hr1-yr reserved, no upfront |
| Size | 32 vCPUs, 128 GiB | 32 vCPUs, 256 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.m6in.8xlarge | db.r6in.8xlarge | db.r6in.8xlarge vs db.m6in.8xlarge |
|---|---|---|---|
| On-demandPay by the hour | $4.131 | $5.534 | ▲ 34% |
| 1-yr reservedNo upfront | 23% off$3.181 | 23% off$4.261 | ▲ 34% |
Key differences
The biggest lead each one has.
Where db.m6in.8xlarge leads
On-demand price$4.131 vs $5.534 per hour
25% cheaperWhere db.r6in.8xlarge leads
Memory (GiB)256 vs 128
2× higherSpecs
9 of 24 specs differ. Those are in bold.
| Compute2 of 8 differ | db.m6in.8xlarge | db.r6in.8xlarge |
|---|---|---|
| vCPUs | 32 | 32 |
| Physical cores | 16 | 16 |
| Threads per core | 2 | 2 |
| Architecture | – | x86_64 |
| Processor | – | Intel Xeon Scalable Ice Lake |
| CPU maker | Intel | Intel |
| Sustained clock | 3.5 GHz | 3.5 GHz |
| Burstable | No | No |
| Memory1 of 1 differ | db.m6in.8xlarge | db.r6in.8xlarge |
|---|---|---|
| Memory (GiB) | 128 | 256 |
| Networking1 of 3 differ | db.m6in.8xlarge | db.r6in.8xlarge |
|---|---|---|
| Network | – | 50 Gbps |
| Network baseline | 50 Gbps | 50 Gbps |
| Network peak | 50 Gbps | 50 Gbps |
| Storage1 of 7 differ | db.m6in.8xlarge | db.r6in.8xlarge |
|---|---|---|
| Storage | – | EBS Only |
| EBS baseline bandwidth | 25,000 Mbps | 25,000 Mbps |
| EBS max bandwidth | 25,000 Mbps | 25,000 Mbps |
| EBS baseline throughput | 3,125 MB/s | 3,125 MB/s |
| EBS max throughput | 3,125 MB/s | 3,125 MB/s |
| EBS baseline IOPS | 100,000 | 100,000 |
| EBS max IOPS | 100,000 | 100,000 |
| Instance details3 of 4 differ | db.m6in.8xlarge | db.r6in.8xlarge |
|---|---|---|
| Family | m6in | r6in |
| Category | – | Memory optimized |
| Current generation | – | Yes |
| Normalization factor | 64 | 64 |
| Other1 of 1 differ | db.m6in.8xlarge | db.r6in.8xlarge |
|---|---|---|
| Hardware Basis | m6in.8xlarge | r6in.8xlarge |
On-demand prices by region
Cheapest for db.m6in.8xlarge first. PostgreSQL, USD per hour.
| Region | db.m6in.8xlarge | db.r6in.8xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $4.131 | $5.534 | ▲ 34% |
| US East (Ohio)us-east-2 | $4.131 | $5.534 | ▲ 34% |
| US West (Oregon)us-west-2 | $4.131 | $5.534 | ▲ 34% |
| EU (Ireland)eu-west-1 | $4.584 | $6.208 | ▲ 35% |
| Asia Pacific (Tokyo)ap-northeast-1 | $5.705 | $6.687 | ▲ 17% |
| EU (Stockholm)eu-north-1 | $8.781 | $11.037 | ▲ 26% |
| EU (Frankfurt)eu-central-1 | $9.787 | $12.356 | ▲ 26% |
| Asia Pacific (Singapore)ap-southeast-1 | $10.134 | $12.356 | ▲ 22% |
| Asia Pacific (Sydney)ap-southeast-2 | $10.412 | $12.564 | ▲ 21% |
Keep exploring
Each type’s own page, and how it compares with others.
db.m6in.8xlarge
db.m6in.8xlarge prices and specsEvery size in the m6in familyCompare db.m6in.8xlarge with
db.r6in.8xlarge
db.r6in.8xlarge prices and specsEvery size in the r6in familyCompare db.r6in.8xlarge with
AWS RDS PostgreSQL prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.