db.m8i.4xlargevsdb.r8i.4xlarge
db.m8i.4xlarge is 29% cheaper than db.r8i.4xlarge on demand in US East (N. Virginia), saving $438.00 a month. Per vCPU, db.r8i.4xlarge costs 30% less.
| At a glance | db.m8i.4xlarge | db.r8i.4xlarge |
|---|---|---|
| On-demand | $1.50/hr29% less | $2.10/hr |
| Lowest rate | $0.705/hr29% less3-yr reserved, no upfront | $0.987/hr3-yr reserved, no upfront |
| Size | 8 vCPUs, 64 GiB | 16 vCPUs, 128 GiB |
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.m8i.4xlarge | db.r8i.4xlarge | db.r8i.4xlarge vs db.m8i.4xlarge |
|---|---|---|---|
| On-demandPay by the hour | $1.50 | $2.10 | ▲ 40% |
| 1-yr reservedNo upfront | 33% off$1.005 | 33% off$1.407 | ▲ 40% |
| 3-yr reservedNo upfront | 53% off$0.705 | 53% off$0.987 | ▲ 40% |
| 1-yr savings planHourly commitment | 20% off$1.20 | 20% off$1.68 | ▲ 40% |
Key differences
The biggest lead each one has.
Where db.m8i.4xlarge leads
On-demand price$1.50 vs $2.10 per hour
29% cheaperWhere db.r8i.4xlarge leads
vCPUs16 vs 8
2× higherMemory (GiB)128 vs 64
2× higherSpecs
11 of 24 specs differ. Those are in bold.
| Compute3 of 8 differ | db.m8i.4xlarge | db.r8i.4xlarge |
|---|---|---|
| vCPUs | 8 | 16 |
| Physical cores | 8 | 8 |
| Threads per core | 2 | 2 |
| Architecture | x86_64 | – |
| Processor | Intel Xeon Scalable (Granite Rapids) | – |
| CPU maker | Intel | Intel |
| Sustained clock | 3.9 GHz | 3.9 GHz |
| Burstable | No | No |
| Memory1 of 1 differ | db.m8i.4xlarge | db.r8i.4xlarge |
|---|---|---|
| Memory (GiB) | 64 | 128 |
| Networking1 of 3 differ | db.m8i.4xlarge | db.r8i.4xlarge |
|---|---|---|
| Network | Up to 15000 Megabit | – |
| Network baseline | 7.5 Gbps | 7.5 Gbps |
| Network peak | 15 Gbps | 15 Gbps |
| Storage1 of 7 differ | db.m8i.4xlarge | db.r8i.4xlarge |
|---|---|---|
| Storage | EBS Only | – |
| EBS baseline bandwidth | 5,000 Mbps | 5,000 Mbps |
| EBS max bandwidth | 10,000 Mbps | 10,000 Mbps |
| EBS baseline throughput | 625 MB/s | 625 MB/s |
| EBS max throughput | 1,250 MB/s | 1,250 MB/s |
| EBS baseline IOPS | 20,000 | 20,000 |
| EBS max IOPS | 40,000 | 40,000 |
| Instance details4 of 4 differ | db.m8i.4xlarge | db.r8i.4xlarge |
|---|---|---|
| Family | m8i | r8i |
| Category | General purpose | – |
| Current generation | Yes | – |
| Normalization factor | – | 32 |
| Other1 of 1 differ | db.m8i.4xlarge | db.r8i.4xlarge |
|---|---|---|
| Hardware Basis | m8i.4xlarge | r8i.4xlarge |
On-demand prices by region
Cheapest for db.m8i.4xlarge first. Oracle Enterprise BYOL, USD per hour.
| Region | db.m8i.4xlarge | db.r8i.4xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $1.50 | $2.10 | ▲ 40% |
| US East (Ohio)us-east-2 | $1.50 | $2.10 | ▲ 40% |
| US West (Oregon)us-west-2 | $1.50 | $2.10 | ▲ 40% |
| Canada (Central)ca-central-1 | $1.65 | $2.27 | ▲ 38% |
| Canada West (Calgary)ca-west-1 | $1.65 | $2.27 | ▲ 38% |
| Europe (Spain)eu-south-2 | $1.65 | $2.35 | ▲ 42% |
| EU (Ireland)eu-west-1 | $1.655 | $2.35 | ▲ 42% |
| US West (N. California)us-west-1 | $1.71 | $2.35 | ▲ 37% |
| EU (London)eu-west-2 | $1.73 | $2.47 | ▲ 43% |
| EU (Paris)eu-west-3 | $1.73 | $2.47 | ▲ 43% |
| EU (Frankfurt)eu-central-1 | $1.78 | $2.56 | ▲ 44% |
| Asia Pacific (Malaysia)ap-southeast-5 | $1.85 | $2.14 | ▲ 16% |
| South America (Sao Paulo)sa-east-1 | $1.96 | $3.307 | ▲ 69% |
| Africa (Cape Town)af-south-1 | $1.98 | $2.71 | ▲ 37% |
| Asia Pacific (Seoul)ap-northeast-2 | $2.07 | $2.52 | ▲ 22% |
| Asia Pacific (Singapore)ap-southeast-1 | $2.07 | $2.52 | ▲ 22% |
| Asia Pacific (Sydney)ap-southeast-2 | $2.07 | $2.52 | ▲ 22% |
| Asia Pacific (Tokyo)ap-northeast-1 | $2.07 | $2.52 | ▲ 22% |
| Asia Pacific (Hyderabad)ap-south-2 | $2.13 | $2.39 | ▲ 12% |
| Asia Pacific (Mumbai)ap-south-1 | $2.13 | $2.39 | ▲ 12% |
| Asia Pacific (New Zealand)ap-southeast-6 | $2.179 | $2.65 | ▲ 22% |
Keep exploring
Each type’s own page, and how it compares with others.
db.m8i.4xlarge
db.m8i.4xlarge prices and specsEvery size in the m8i familyCompare db.m8i.4xlarge with
AWS RDS Oracle Enterprise BYOL prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.