r8g.16xlargevsr8gn.16xlarge
r8g.16xlarge is 35% cheaper than r8gn.16xlarge on demand in US East (N. Virginia), saving $1,503.51 a month.
| At a glance | r8g.16xlarge | r8gn.16xlarge |
|---|---|---|
| On-demand | $3.77/hr35% less | $5.83/hr |
| Lowest rate | $0.8157/hr44% lessSpot, can be interrupted | $1.467/hrSpot, can be interrupted |
| Size | 64 vCPUs, 512 GiB | 64 vCPUs, 512 GiB |
| Processor | AWS Graviton4 Processor | AWS Graviton4 Processor |
| Architecture | arm64 | arm64 |
Prices in US East (N. Virginia)
“Off” is the discount against each type’s own on-demand price. Linux, USD per hour.
| Option | r8g.16xlarge | r8gn.16xlarge | r8gn.16xlarge vs r8g.16xlarge |
|---|---|---|---|
| On-demandPay by the hour | $3.77 | $5.83 | ▲ 55% |
| SpotCan be interrupted | 78% off$0.8157 | 75% off$1.467 | ▲ 80% |
| 1-yr reservedNo upfront | 34% off$2.494 | — | — |
| 3-yr reservedNo upfront | 55% off$1.71 | — | — |
| 1-yr savings planHourly commitment | 28% off$2.732 | 28% off$4.224 | ▲ 55% |
| 3-yr savings planHourly commitment | 48% off$1.967 | 53% off$2.72 | ▲ 38% |
Key differences
The biggest lead each one has.
Where r8g.16xlarge leads
On-demand price$3.77 vs $5.83 per hour
35% cheaperWhere r8gn.16xlarge leads
Network baseline200 Gbps vs 30 Gbps
6.7× higherEBS baseline bandwidth40,000 Mbps vs 20,000 Mbps
2× higherClock speed2.8 GHz vs 2.7 GHz
4% higherSpecs
14 of 39 specs differ. Those are in bold.
| Compute1 of 9 differ | r8g.16xlarge | r8gn.16xlarge |
|---|---|---|
| vCPUs | 64 | 64 |
| Physical cores | 64 | 64 |
| Threads per core | 1 | 1 |
| Architecture | arm64 | arm64 |
| Processor | AWS Graviton4 Processor | AWS Graviton4 Processor |
| CPU maker | AWS | AWS |
| Clock speed | 2.7 GHz | 2.8 GHz |
| Sustained clock | 2.8 GHz | 2.8 GHz |
| Burstable | No | No |
| MemoryAll 1 match | r8g.16xlarge | r8gn.16xlarge |
|---|---|---|
| Memory (GiB) | 512 | 512 |
| Networking5 of 8 differ | r8g.16xlarge | r8gn.16xlarge |
|---|---|---|
| Network | 30 Gigabit | 200 Gigabit |
| Network baseline | 30 Gbps | 200 Gbps |
| Network peak | 30 Gbps | 200 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | Yes |
| IPv6 | Yes | Yes |
| Max network interfaces | 15 | 16 |
| IPv4 addresses per interface | 50 | 50 |
| Storage7 of 11 differ | r8g.16xlarge | r8gn.16xlarge |
|---|---|---|
| Storage | EBS only | EBS only |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | 20000 Mbps | 40000 Mbps |
| EBS baseline bandwidth | 20,000 Mbps | 40,000 Mbps |
| EBS max bandwidth | 20,000 Mbps | 40,000 Mbps |
| EBS baseline throughput | 2,500 MB/s | 5,000 MB/s |
| EBS max throughput | 2,500 MB/s | 5,000 MB/s |
| EBS baseline IOPS | 80,000 | 160,000 |
| EBS max IOPS | 80,000 | 160,000 |
| Max EBS volumes | 48 | 48 |
| Instance details1 of 10 differ | r8g.16xlarge | r8gn.16xlarge |
|---|---|---|
| Family | r8g | r8gn |
| Category | Memory optimized | Memory optimized |
| Current generation | Yes | Yes |
| Normalization factor | 128 | 128 |
| Bare metal | No | No |
| Hypervisor | Nitro | Nitro |
| Placement groups | Cluster, Partition, Spread | Cluster, Partition, Spread |
| Hibernation | No | No |
| Nitro Enclaves | Yes | Yes |
| Boot modes | UEFI | UEFI |
On-demand prices by region
Cheapest for r8g.16xlarge first. Linux, USD per hour.
| Region | r8g.16xlarge | r8gn.16xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $3.77 | $5.83 | ▲ 55% |
| US West (Oregon)us-west-2 | $3.77 | $5.83 | ▲ 55% |
Keep exploring
Each type’s own page, and how it compares with others.
AWS EC2 Linux prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.