db.r5.4xlarge.tpc2.mem4xvsdb.r6i.4xlarge.tpc2.mem3x
db.r6i.4xlarge.tpc2.mem3x is 25% cheaper than db.r5.4xlarge.tpc2.mem4x on demand in US East (N. Virginia), saving $1,360.72 a month.
| At a glance | db.r5.4xlarge.tpc2.mem4x | db.r6i.4xlarge.tpc2.mem3x |
|---|---|---|
| On-demand | $7.456/hr | $5.592/hr25% less |
| Lowest rate | $4.313/hr1-yr reserved, no upfront | $4.026/hr7% less1-yr reserved, no upfront |
| Size | 16 vCPUs, 512 GiB | 16 vCPUs, 384 GiB |
| Processor | Intel Xeon Platinum 8175 | Intel Xeon Scalable Ice Lake |
| Architecture | x86_64 | x86_64 |
Prices in US East (N. Virginia)
“Off” is the discount against each type’s own on-demand price. Oracle Enterprise BYOL, USD per hour.
| Option | db.r5.4xlarge.tpc2.mem4x | db.r6i.4xlarge.tpc2.mem3x | db.r6i.4xlarge.tpc2.mem3x vs db.r5.4xlarge.tpc2.mem4x |
|---|---|---|---|
| On-demandPay by the hour | $7.456 | $5.592 | ▼ 25% |
| 1-yr reservedNo upfront | 42% off$4.313 | 28% off$4.026 | ▼ 7% |
Key differences
The biggest lead each one has.
Where db.r5.4xlarge.tpc2.mem4x leads
Memory (GiB)512 vs 384
33% higherWhere db.r6i.4xlarge.tpc2.mem3x leads
On-demand price$5.592 vs $7.456 per hour
25% cheaperSpecs
6 of 11 specs differ. Those are in bold.
| Compute2 of 4 differ | db.r5.4xlarge.tpc2.mem4x | db.r6i.4xlarge.tpc2.mem3x |
|---|---|---|
| vCPUs | 16 | 16 |
| Architecture | x86_64 | x86_64 |
| Processor | Intel Xeon Platinum 8175 | Intel Xeon Scalable Ice Lake |
| Clock speed | Up to 3.1 GHz | – |
| Memory1 of 1 differ | db.r5.4xlarge.tpc2.mem4x | db.r6i.4xlarge.tpc2.mem3x |
|---|---|---|
| Memory (GiB) | 512 | 384 |
| Networking1 of 1 differ | db.r5.4xlarge.tpc2.mem4x | db.r6i.4xlarge.tpc2.mem3x |
|---|---|---|
| Network | 20 Gigabit | 18.75 Gbps |
| StorageAll 1 match | db.r5.4xlarge.tpc2.mem4x | db.r6i.4xlarge.tpc2.mem3x |
|---|---|---|
| Storage | EBS Only | EBS Only |
| Instance details2 of 4 differ | db.r5.4xlarge.tpc2.mem4x | db.r6i.4xlarge.tpc2.mem3x |
|---|---|---|
| Family | r5 | r6i |
| Category | Memory optimized | Memory optimized |
| Current generation | Yes | Yes |
| Normalization factor | 128 | 192 |
On-demand prices by region
Cheapest for db.r5.4xlarge.tpc2.mem4x first. Oracle Enterprise BYOL, USD per hour.
| Region | db.r5.4xlarge.tpc2.mem4x | db.r6i.4xlarge.tpc2.mem3x | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $7.456 | $5.592 | ▼ 25% |
| US East (Ohio)us-east-2 | $7.456 | $5.592 | ▼ 25% |
| US West (Oregon)us-west-2 | $7.456 | $5.592 | ▼ 25% |
| EU (Stockholm)eu-north-1 | $7.836 | $5.88 | ▼ 25% |
| Canada (Central)ca-central-1 | $8.192 | $6.144 | ▼ 25% |
| US West (N. California)us-west-1 | $8.224 | $6.163 | ▼ 25% |
| EU (Ireland)eu-west-1 | $8.256 | $6.187 | ▼ 25% |
| Asia Pacific (Mumbai)ap-south-1 | $8.416 | $6.312 | ▼ 25% |
| EU (Milan)eu-south-1 | $8.669 | $6.504 | ▼ 25% |
| EU (Paris)eu-west-3 | $8.672 | $6.499 | ▼ 25% |
| EU (London)eu-west-2 | $8.704 | $6.528 | ▼ 25% |
| Asia Pacific (Melbourne)ap-southeast-4 | $8.848 | $6.634 | ▼ 25% |
| Asia Pacific (Sydney)ap-southeast-2 | $8.848 | $6.634 | ▼ 25% |
| Asia Pacific (Jakarta)ap-southeast-3 | $8.864 | $6.648 | ▼ 25% |
| Asia Pacific (Osaka)ap-northeast-3 | $8.864 | $6.648 | ▼ 25% |
| Asia Pacific (Seoul)ap-northeast-2 | $8.864 | $6.648 | ▼ 25% |
| Asia Pacific (Singapore)ap-southeast-1 | $8.864 | $6.648 | ▼ 25% |
| Asia Pacific (Tokyo)ap-northeast-1 | $8.864 | $6.648 | ▼ 25% |
| AWS GovCloud (US-East)us-gov-east-1 | $8.976 | $6.732 | ▼ 25% |
| AWS GovCloud (US-West)us-gov-west-1 | $8.976 | $6.72 | ▼ 25% |
| EU (Frankfurt)eu-central-1 | $9.024 | $6.768 | ▼ 25% |
| Middle East (Bahrain)me-south-1 | $9.082 | $6.816 | ▼ 25% |
| Asia Pacific (Hong Kong)ap-east-1 | $9.75 | $7.313 | ▼ 25% |
| Africa (Cape Town)af-south-1 | $9.825 | $7.368 | ▼ 25% |
| South America (Sao Paulo)sa-east-1 | $15.552 | $11.664 | ▼ 25% |
Keep exploring
Each type’s own page, and how it compares with others.
db.r5.4xlarge.tpc2.mem4x
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db.r6i.4xlarge.tpc2.mem3x
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AWS RDS Oracle Enterprise BYOL prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.