db.m5.8xlargevsdb.r5.8xlarge.tpc2.mem3x
db.m5.8xlarge is 75% cheaper than db.r5.8xlarge.tpc2.mem3x on demand in US East (N. Virginia), saving $6,085.28 a month.
| At a glance | db.m5.8xlarge | db.r5.8xlarge.tpc2.mem3x |
|---|---|---|
| On-demand | $2.848/hr75% less | $11.184/hr |
| Lowest rate | $1.824/hr72% less1-yr reserved, no upfront | $6.469/hr1-yr reserved, no upfront |
| Size | 32 vCPUs, 128 GiB | 32 vCPUs, 768 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.m5.8xlarge | db.r5.8xlarge.tpc2.mem3x | db.r5.8xlarge.tpc2.mem3x vs db.m5.8xlarge |
|---|---|---|---|
| On-demandPay by the hour | $2.848 | $11.184 | ▲ 293% |
| 1-yr reservedNo upfront | 36% off$1.824 | 42% off$6.469 | ▲ 255% |
Key differences
The biggest lead each one has.
Where db.m5.8xlarge leads
On-demand price$2.848 vs $11.184 per hour
75% cheaperWhere db.r5.8xlarge.tpc2.mem3x leads
Memory (GiB)768 vs 128
6× higherSpecs
23 of 25 specs differ. Those are in bold.
| Compute8 of 9 differ | db.m5.8xlarge | db.r5.8xlarge.tpc2.mem3x |
|---|---|---|
| vCPUs | 32 | 32 |
| Physical cores | 16 | – |
| Threads per core | 2 | – |
| Architecture | – | x86_64 |
| Processor | – | Intel Xeon Platinum 8175 |
| CPU maker | Intel | – |
| Clock speed | – | Up to 3.1 GHz |
| Sustained clock | 3.1 GHz | – |
| Burstable | No | – |
| Memory1 of 1 differ | db.m5.8xlarge | db.r5.8xlarge.tpc2.mem3x |
|---|---|---|
| Memory (GiB) | 128 | 768 |
| Networking3 of 3 differ | db.m5.8xlarge | db.r5.8xlarge.tpc2.mem3x |
|---|---|---|
| Network | – | 25 Gigabit |
| Network baseline | 10 Gbps | – |
| Network peak | 10 Gbps | – |
| Storage6 of 7 differ | db.m5.8xlarge | db.r5.8xlarge.tpc2.mem3x |
|---|---|---|
| Storage | EBS Only | EBS Only |
| EBS baseline bandwidth | 6,800 Mbps | – |
| EBS max bandwidth | 6,800 Mbps | – |
| EBS baseline throughput | 850 MB/s | – |
| EBS max throughput | 850 MB/s | – |
| EBS baseline IOPS | 30,000 | – |
| EBS max IOPS | 30,000 | – |
| Instance details4 of 4 differ | db.m5.8xlarge | db.r5.8xlarge.tpc2.mem3x |
|---|---|---|
| Family | m5 | r5 |
| Category | General purpose | Memory optimized |
| Current generation | – | Yes |
| Normalization factor | 64 | 192 |
| Other1 of 1 differ | db.m5.8xlarge | db.r5.8xlarge.tpc2.mem3x |
|---|---|---|
| Hardware Basis | m5.8xlarge | – |
On-demand prices by region
Cheapest for db.m5.8xlarge first. PostgreSQL, USD per hour.
| Region | db.m5.8xlarge | db.r5.8xlarge.tpc2.mem3x | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $2.848 | $11.184 | ▲ 293% |
| US East (Ohio)us-east-2 | $2.848 | $11.184 | ▲ 293% |
| US West (Oregon)us-west-2 | $2.848 | $11.184 | ▲ 293% |
| EU (Stockholm)eu-north-1 | $2.994 | $11.755 | ▲ 293% |
| Canada (Central)ca-central-1 | $3.136 | $12.288 | ▲ 292% |
| EU (Ireland)eu-west-1 | $3.152 | $12.374 | ▲ 293% |
| US West (N. California)us-west-1 | $3.248 | $12.326 | ▲ 279% |
| EU (London)eu-west-2 | $3.296 | $13.056 | ▲ 296% |
| EU (Paris)eu-west-3 | $3.296 | $12.998 | ▲ 294% |
| EU (Milan)eu-south-1 | $3.31 | $12.993 | ▲ 293% |
| EU (Frankfurt)eu-central-1 | $3.392 | $13.534 | ▲ 299% |
| AWS GovCloud (US-East)us-gov-east-1 | $3.41 | $13.464 | ▲ 295% |
| AWS GovCloud (US-West)us-gov-west-1 | $3.41 | $13.459 | ▲ 295% |
| Middle East (Bahrain)me-south-1 | $3.468 | $13.611 | ▲ 292% |
| South America (Sao Paulo)sa-east-1 | $3.728 | $23.328 | ▲ 526% |
| Africa (Cape Town)af-south-1 | $3.751 | $14.725 | ▲ 293% |
| Asia Pacific (Jakarta)ap-southeast-3 | $3.952 | $13.296 | ▲ 236% |
| Asia Pacific (Melbourne)ap-southeast-4 | $3.952 | $13.267 | ▲ 236% |
| Asia Pacific (Seoul)ap-northeast-2 | $3.952 | $13.296 | ▲ 236% |
| Asia Pacific (Singapore)ap-southeast-1 | $3.952 | $13.296 | ▲ 236% |
| Asia Pacific (Sydney)ap-southeast-2 | $3.952 | $13.267 | ▲ 236% |
| Asia Pacific (Tokyo)ap-northeast-1 | $3.952 | $13.296 | ▲ 236% |
| Asia Pacific (Mumbai)ap-south-1 | $4.048 | $12.624 | ▲ 212% |
| Asia Pacific (Osaka)ap-northeast-3 | $4.147 | $13.296 | ▲ 221% |
| Asia Pacific (Hong Kong)ap-east-1 | $4.347 | $14.626 | ▲ 236% |
Keep exploring
Each type’s own page, and how it compares with others.
db.r5.8xlarge.tpc2.mem3x
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AWS RDS PostgreSQL prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.