db.m8g.24xlargevsdb.r8g.24xlarge
db.m8g.24xlarge is 30% cheaper than db.r8g.24xlarge on demand in US East (N. Virginia), saving $2,487.84 a month.
| At a glance | db.m8g.24xlarge | db.r8g.24xlarge |
|---|---|---|
| On-demand | $8.064/hr30% less | $11.472/hr |
| Lowest rate | $3.79/hr30% less3-yr reserved, no upfront | $5.392/hr3-yr reserved, no upfront |
| Size | 96 vCPUs, 512 GiB | 96 vCPUs, 768 GiB |
| 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.m8g.24xlarge | db.r8g.24xlarge | db.r8g.24xlarge vs db.m8g.24xlarge |
|---|---|---|---|
| On-demandPay by the hour | $8.064 | $11.472 | ▲ 42% |
| 1-yr reservedNo upfront | 33% off$5.403 | 33% off$7.686 | ▲ 42% |
| 3-yr reservedNo upfront | 53% off$3.79 | 53% off$5.392 | ▲ 42% |
| 1-yr savings planHourly commitment | 20% off$6.451 | 20% off$9.178 | ▲ 42% |
Key differences
The biggest lead each one has.
Where db.m8g.24xlarge leads
On-demand price$8.064 vs $11.472 per hour
30% cheaperWhere db.r8g.24xlarge leads
Memory (GiB)768 vs 512
50% higherSpecs
8 of 24 specs differ. Those are in bold.
| Compute1 of 8 differ | db.m8g.24xlarge | db.r8g.24xlarge |
|---|---|---|
| vCPUs | 96 | 96 |
| Physical cores | 96 | 96 |
| Threads per core | 1 | 1 |
| Architecture | arm64 | arm64 |
| Processor | AWS Graviton4 | – |
| CPU maker | AWS | AWS |
| Sustained clock | 2.8 GHz | 2.8 GHz |
| Burstable | No | No |
| Memory1 of 1 differ | db.m8g.24xlarge | db.r8g.24xlarge |
|---|---|---|
| Memory (GiB) | 512 | 768 |
| Networking1 of 3 differ | db.m8g.24xlarge | db.r8g.24xlarge |
|---|---|---|
| Network | 40 Gigabit | – |
| Network baseline | 40 Gbps | 40 Gbps |
| Network peak | 40 Gbps | 40 Gbps |
| Storage1 of 7 differ | db.m8g.24xlarge | db.r8g.24xlarge |
|---|---|---|
| Storage | EBS Only | – |
| EBS baseline bandwidth | 30,000 Mbps | 30,000 Mbps |
| EBS max bandwidth | 30,000 Mbps | 30,000 Mbps |
| EBS baseline throughput | 3,750 MB/s | 3,750 MB/s |
| EBS max throughput | 3,750 MB/s | 3,750 MB/s |
| EBS baseline IOPS | 120,000 | 120,000 |
| EBS max IOPS | 120,000 | 120,000 |
| Instance details3 of 4 differ | db.m8g.24xlarge | db.r8g.24xlarge |
|---|---|---|
| Family | m8g | r8g |
| Category | General purpose | – |
| Current generation | Yes | – |
| Normalization factor | 192 | 192 |
| Other1 of 1 differ | db.m8g.24xlarge | db.r8g.24xlarge |
|---|---|---|
| Hardware Basis | m8g.24xlarge | r8g.24xlarge |
On-demand prices by region
Cheapest for db.m8g.24xlarge first. PostgreSQL, USD per hour.
| Region | db.m8g.24xlarge | db.r8g.24xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $8.064 | $11.472 | ▲ 42% |
| US East (Ohio)us-east-2 | $8.064 | $11.472 | ▲ 42% |
| US West (Oregon)us-west-2 | $8.064 | $11.472 | ▲ 42% |
| EU (Stockholm)eu-north-1 | $8.496 | $11.76 | ▲ 38% |
| EU (Ireland)eu-west-1 | $8.928 | $12.864 | ▲ 44% |
| Europe (Spain)eu-south-2 | $8.928 | $12.864 | ▲ 44% |
| US West (N. California)us-west-1 | $9.216 | $12.864 | ▲ 40% |
| EU (London)eu-west-2 | $9.36 | $13.464 | ▲ 44% |
| EU (Paris)eu-west-3 | $9.36 | $13.46 | ▲ 44% |
| Asia Pacific (Malaysia)ap-southeast-5 | $9.552 | $11.712 | ▲ 23% |
| EU (Frankfurt)eu-central-1 | $9.60 | $13.968 | ▲ 46% |
| Europe (Zurich)eu-central-2 | $10.608 | $15.36 | ▲ 45% |
| Asia Pacific (Tokyo)ap-northeast-1 | $11.232 | $13.776 | ▲ 23% |
| Asia Pacific (Singapore)ap-southeast-1 | $11.242 | $13.776 | ▲ 23% |
| Asia Pacific (Sydney)ap-southeast-2 | $11.242 | $13.776 | ▲ 23% |
| Asia Pacific (Seoul)ap-northeast-2 | $11.251 | $13.771 | ▲ 22% |
| Asia Pacific (Mumbai)ap-south-1 | $11.496 | $13.056 | ▲ 14% |
| Asia Pacific (Hyderabad)ap-south-2 | $11.52 | $13.056 | ▲ 13% |
| Asia Pacific (Hong Kong)ap-east-1 | $12.384 | $15.148 | ▲ 22% |
| South America (Sao Paulo)sa-east-1 | $12.822 | $18.241 | ▲ 42% |
Keep exploring
Each type’s own page, and how it compares with others.
db.m8g.24xlarge
db.m8g.24xlarge prices and specsEvery size in the m8g familyCompare db.m8g.24xlarge with
db.r8g.24xlarge
db.r8g.24xlarge prices and specsEvery size in the r8g familyCompare db.r8g.24xlarge with
AWS RDS PostgreSQL prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.