db.r8g.2xlargevsdb.r8gd.2xlarge
db.r8g.2xlarge is 12% cheaper than db.r8gd.2xlarge on demand in US East (N. Virginia), saving $99.28 a month.
| At a glance | db.r8g.2xlarge | db.r8gd.2xlarge |
|---|---|---|
| On-demand | $0.956/hr12% less | $1.092/hr |
| Lowest rate | $0.7648/hr12% less1-yr savings plan, hourly commitment | $0.8736/hr1-yr savings plan, hourly commitment |
| Size | 8 vCPUs, 64 GiB | 8 vCPUs, 64 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.r8g.2xlarge | db.r8gd.2xlarge | db.r8gd.2xlarge vs db.r8g.2xlarge |
|---|---|---|---|
| On-demandPay by the hour | $0.956 | $1.092 | ▲ 14% |
| 1-yr reservedNo upfront | 33% off$0.641 | — | — |
| 3-yr reservedNo upfront | 53% off$0.4493 | — | — |
| 1-yr savings planHourly commitment | 20% off$0.7648 | 20% off$0.8736 | ▲ 14% |
Key differences
The biggest lead each one has.
Where db.r8g.2xlarge leads
On-demand price$0.956 vs $1.092 per hour
12% cheaperWhere db.r8gd.2xlarge leads
No clear lead on the measures we compare.
Specs
8 of 24 specs differ. Those are in bold.
| ComputeAll 7 match | db.r8g.2xlarge | db.r8gd.2xlarge |
|---|---|---|
| vCPUs | 8 | 8 |
| Physical cores | 8 | 8 |
| Threads per core | 1 | 1 |
| Architecture | arm64 | arm64 |
| CPU maker | AWS | AWS |
| Sustained clock | 2.8 GHz | 2.8 GHz |
| Burstable | No | No |
| MemoryAll 1 match | db.r8g.2xlarge | db.r8gd.2xlarge |
|---|---|---|
| Memory (GiB) | 64 | 64 |
| Networking1 of 3 differ | db.r8g.2xlarge | db.r8gd.2xlarge |
|---|---|---|
| Network | – | Up to 15 Gigabit |
| Network baseline | 3.75 Gbps | 3.75 Gbps |
| Network peak | 15 Gbps | 15 Gbps |
| Storage2 of 8 differ | db.r8g.2xlarge | db.r8gd.2xlarge |
|---|---|---|
| Storage | – | 1 x 474 NVMe SSD |
| Local disks | – | 1 × 474 GB SSD |
| EBS baseline bandwidth | 2,500 Mbps | 2,500 Mbps |
| EBS max bandwidth | 10,000 Mbps | 10,000 Mbps |
| EBS baseline throughput | 312.5 MB/s | 312.5 MB/s |
| EBS max throughput | 1,250 MB/s | 1,250 MB/s |
| EBS baseline IOPS | 12,000 | 12,000 |
| EBS max IOPS | 40,000 | 40,000 |
| Instance details4 of 4 differ | db.r8g.2xlarge | db.r8gd.2xlarge |
|---|---|---|
| Family | r8g | r8gd |
| Category | – | Memory optimized |
| Current generation | – | Yes |
| Normalization factor | 16 | 48 |
| Other1 of 1 differ | db.r8g.2xlarge | db.r8gd.2xlarge |
|---|---|---|
| Hardware Basis | r8g.2xlarge | r8gd.2xlarge |
On-demand prices by region
Cheapest for db.r8g.2xlarge first. PostgreSQL, USD per hour.
| Region | db.r8g.2xlarge | db.r8gd.2xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $0.956 | $1.092 | ▲ 14% |
| US East (Ohio)us-east-2 | $0.956 | $1.092 | ▲ 14% |
| US West (Oregon)us-west-2 | $0.956 | $1.092 | ▲ 14% |
| Asia Pacific (Malaysia)ap-southeast-5 | $0.976 | $1.116 | ▲ 14% |
| Canada (Central)ca-central-1 | $1.033 | $1.181 | ▲ 14% |
| EU (Ireland)eu-west-1 | $1.072 | $1.217 | ▲ 14% |
| Europe (Spain)eu-south-2 | $1.072 | $1.28 | ▲ 19% |
| US West (N. California)us-west-1 | $1.072 | $1.246 | ▲ 16% |
| EU (London)eu-west-2 | $1.122 | $1.281 | ▲ 14% |
| Asia Pacific (Jakarta)ap-southeast-3 | $1.148 | $1.314 | ▲ 14% |
| Asia Pacific (Seoul)ap-northeast-2 | $1.148 | $1.302 | ▲ 13% |
| Asia Pacific (Sydney)ap-southeast-2 | $1.148 | $1.322 | ▲ 15% |
| Asia Pacific (Tokyo)ap-northeast-1 | $1.148 | $1.314 | ▲ 14% |
| EU (Frankfurt)eu-central-1 | $1.164 | $1.321 | ▲ 14% |
| Asia Pacific (Hong Kong)ap-east-1 | $1.262 | $1.444 | ▲ 14% |
| South America (Sao Paulo)sa-east-1 | $1.52 | $1.736 | ▲ 14% |
Keep exploring
Each type’s own page, and how it compares with others.
db.r8g.2xlarge
db.r8g.2xlarge prices and specsEvery size in the r8g familyCompare db.r8g.2xlarge with
db.r8gd.2xlarge
db.r8gd.2xlarge prices and specsEvery size in the r8gd familyCompare db.r8gd.2xlarge with
AWS RDS PostgreSQL prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.