r8g
Memory optimized · AWS Graviton4 (Arm)
R8g instances are powered by AWS Graviton4 processors and provide a high 8 GiB-per-vCPU memory ratio. They are well suited to memory-intensive workloads such as in-memory caches and high-performance relational databases.
Specs
- Architecture
- arm64
- Performance
- Fixed
- vCPU
- 1 – 4
- Memory
- 8 GiB – 32 GiB
- Mem / vCPU
- 8 : 1
- On-demand
- $0.0523/hr – $0.2090/hr
Chart
Change the metric and dataset size to see how the numbers shift — and where the data stops fitting in memory.
At 1 GB the dataset fits in RAM on every tested size — these results are CPU-bound.
All results
18 of 18 rows
| r8g.large | 1 GB | arm64 | gp3-baseline | — | 2 | 16 | 38,531±1.6% | 304,746 | $0.1264/hr | 0.83±1.6% | 2.35±0.6% | 3.06±0.4% | 19,266 | 2,408 |
| r8g.xlarge | 1 GB | arm64 | gp3-baseline | — | 4 | 32 | 64,627±0.6% | 279,821 | $0.2310/hr | 0.49±0.6% | 1.89±0.5% | 2.32±0.6% | 16,157 | 2,020 |
| r8g.xlarge | 10 GB | arm64 | gp3-baseline | — | 4 | 32 | 64,110±0.5% | 277,581 | $0.2310/hr | 0.50±0.5% | 1.88±0.2% | 2.31±0.3% | 16,027 | 2,003 |
| r8g.large | 10 GB | arm64 | gp3-baseline | — | 2 | 16 | 34,304±2.2% | 271,315 | $0.1264/hr | 0.93±2.2% | 2.46±1.2% | 3.22±1.4% | 17,152 | 2,144 |
| r8g.medium | 1 GB | arm64 | gp3-baseline | — | 1 | 8 | 16,482±0.2% | 222,197 | $0.0742/hr | 1.94±0.2% | 3.51±0.1% | 4.29±0.2% | 16,482 | 2,060 |
| r8g.xlarge | 1 GB | arm64 | gp3-max | — | 4 | 32 | 69,292±0.2% | 188,322 | $0.3679/hr | 0.46±0.2% | 1.87±0.2% | 2.36±1.1% | 17,323 | 2,165 |
| r8g.xlarge | 10 GB | arm64 | gp3-max | — | 4 | 32 | 68,012±0.3% | 184,844 | $0.3679/hr | 0.47±0.3% | 1.87±0.1% | 2.35±0.1% | 17,003 | 2,125 |
| r8g.large | 1 GB | arm64 | gp3-max | — | 2 | 16 | 39,039±0.6% | 148,198 | $0.2634/hr | 0.82±0.6% | 2.35±0.1% | 3.06±0.1% | 19,519 | 2,440 |
| r8g.large | 10 GB | arm64 | gp3-max | — | 2 | 16 | 34,010±2.2% | 129,106 | $0.2634/hr | 0.94±2.2% | 2.48±1.1% | 3.23±1.0% | 17,005 | 2,126 |
| r8g.medium | 1 GB | arm64 | gp3-max | — | 1 | 8 | 16,050±7.7% | 76,008 | $0.2112/hr | 2.01±7.7% | 3.68±7.5% | 4.74±10.2% | 16,050 | 2,006 |
| r8g.medium | 10 GB | arm64 | gp3-baseline | — | 1 | 8 | 5,488±4.1% | 73,981 | $0.0742/hr | 5.84±4.0% | 11.46±4.9% | 14.43±4.9% | 5,488 | 686 |
| r8g.xlarge | 50 GB | arm64 | gp3-max | — | 4 | 32 | 26,542±1.4% | 72,135 | $0.3679/hr | 1.21±1.4% | 2.34±1.0% | 2.93±0.9% | 6,635 | 829 |
| r8g.large | 50 GB | arm64 | gp3-max | — | 2 | 16 | 18,789±0.2% | 71,326 | $0.2634/hr | 1.70±0.2% | 2.69±0.2% | 3.23±0.3% | 9,395 | 1,174 |
| r8g.medium | 10 GB | arm64 | gp3-max | — | 1 | 8 | 12,979±2.9% | 61,462 | $0.2112/hr | 2.47±3.0% | 3.92±3.0% | 4.98±2.2% | 12,979 | 1,622 |
| r8g.medium | 50 GB | arm64 | gp3-max | — | 1 | 8 | 11,226±0.1% | 53,164 | $0.2112/hr | 2.85±0.1% | 3.98±0.1% | 5.83±0.9% | 11,226 | 1,403 |
| r8g.medium | 50 GB | arm64 | gp3-baseline | — | 1 | 8 | 2,718±0.2% | 36,641 | $0.0742/hr | 11.77±0.2% | 17.33±0.2% | 19.87±0.9% | 2,718 | 340 |
| r8g.large | 50 GB | arm64 | gp3-baseline | — | 2 | 16 | 3,310±0.5% | 26,183 | $0.1264/hr | 9.67±0.5% | 15.07±0.1% | 17.91±0.7% | 1,655 | 207 |
| r8g.xlarge | 50 GB | arm64 | gp3-baseline | — | 4 | 32 | 5,124±0.3% | 22,184 | $0.2310/hr | 6.25±0.3% | 11.23±1.2% | 13.74±0.9% | 1,281 | 160 |