r8g.medium
Memory optimized · AWS Graviton4 (Arm)
PostgreSQL benchmark results for the r8g.medium AWS EC2 instance with 1 vCPU, 8 GiB RAM, and arm64 architecture.
Compute
- vCPU
- 1
- Memory
- 8 GiB
- Mem / vCPU
- 8 : 1
Platform
- Family
- r8g
- Architecture
- arm64
- Performance
- Fixed
Cost & region
- On-demand
- $0.0523/hr~$38/mo
- Region
- us-east-1
Chart
Change the metric and disk to see how the numbers shift as the dataset grows — and where it stops fitting in memory.
Open markers sit past the RAM limit (~6 GB of 8 GiB): the dataset no longer fits in cache, so the working set spills to disk and throughput drops.
All results
6 of 6 rows
| 1 GB | gp3-baseline | 16,482±0.2% | 222,197 | 1.94±0.2% | 3.51±0.1% | 4.29±0.2% | 16,482 | 2,060 |
| 1 GB | gp3-max | 16,050±7.7% | 76,008 | 2.01±7.7% | 3.68±7.5% | 4.74±10.2% | 16,050 | 2,006 |
| 10 GB | gp3-baseline | 5,488±4.1% | 73,981 | 5.84±4.0% | 11.46±4.9% | 14.43±4.9% | 5,488 | 686 |
| 10 GB | gp3-max | 12,979±2.9% | 61,462 | 2.47±3.0% | 3.92±3.0% | 4.98±2.2% | 12,979 | 1,622 |
| 50 GB | gp3-max | 11,226±0.1% | 53,164 | 2.85±0.1% | 3.98±0.1% | 5.83±0.9% | 11,226 | 1,403 |
| 50 GB | gp3-baseline | 2,718±0.2% | 36,641 | 11.77±0.2% | 17.33±0.2% | 19.87±0.9% | 2,718 | 340 |