r6id.16xlargevsr8id.16xlarge
r6id.16xlarge is 9% cheaper than r8id.16xlarge on demand in US East (N. Virginia), saving $353.17 a month.
| At a glance | r6id.16xlarge | r8id.16xlarge |
|---|---|---|
| On-demand | $4.838/hr9% less | $5.322/hr |
| Lowest rate | $3.727/hrSpot, can be interrupted | $1.425/hr62% lessSpot, can be interrupted |
| Size | 64 vCPUs, 512 GiB | 64 vCPUs, 512 GiB |
| Processor | Intel Xeon 8375C (Ice Lake) | Intel Xeon Scalable (Granite Rapids) |
| Architecture | x86_64 | x86_64 |
Prices in US East (N. Virginia)
“Off” is the discount against each type’s own on-demand price. Linux, USD per hour.
| Option | r6id.16xlarge | r8id.16xlarge | r8id.16xlarge vs r6id.16xlarge |
|---|---|---|---|
| On-demandPay by the hour | $4.838 | $5.322 | ▲ 10% |
| SpotCan be interrupted | 23% off$3.727 | 73% off$1.425 | ▼ 62% |
| 1-yr reservedNo upfront | 37% off$3.041 | — | — |
| 3-yr reservedNo upfront | 57% off$2.091 | — | — |
| 1-yr savings planHourly commitment | 27% off$3.51 | 27% off$3.861 | ▲ 10% |
| 3-yr savings planHourly commitment | 49% off$2.486 | 49% off$2.734 | ▲ 10% |
Key differences
The biggest lead each one has.
Where r6id.16xlarge leads
On-demand price$4.838 vs $5.322 per hour
9% cheaperWhere r8id.16xlarge leads
Max EBS volumes48 vs 25
92% higherIPv4 addresses per interface64 vs 50
28% higherClock speed3.9 GHz vs 3.5 GHz
11% higherSpecs
13 of 41 specs differ. Those are in bold.
| Compute4 of 10 differ | r6id.16xlarge | r8id.16xlarge |
|---|---|---|
| vCPUs | 64 | 64 |
| Physical cores | 32 | 32 |
| Threads per core | 2 | 2 |
| Architecture | x86_64 | x86_64 |
| Processor | Intel Xeon 8375C (Ice Lake) | Intel Xeon Scalable (Granite Rapids) |
| CPU maker | Intel | Intel |
| Clock speed | 3.5 GHz | 3.9 GHz |
| Sustained clock | 3.5 GHz | 3.9 GHz |
| Processor features | Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo | Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX |
| Burstable | No | No |
| MemoryAll 1 match | r6id.16xlarge | r8id.16xlarge |
|---|---|---|
| Memory (GiB) | 512 | 512 |
| Networking5 of 8 differ | r6id.16xlarge | r8id.16xlarge |
|---|---|---|
| Network | 25000 Megabit | 30000 Megabit |
| Network baseline | 25 Gbps | 30 Gbps |
| Network peak | 25 Gbps | 30 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | No |
| IPv6 | Yes | Yes |
| Max network interfaces | 15 | 16 |
| IPv4 addresses per interface | 50 | 64 |
| Storage3 of 12 differ | r6id.16xlarge | r8id.16xlarge |
|---|---|---|
| Storage | 2 x 1900 NVMe SSD | 1 x 3800 NVMe SSD |
| Local disks | 2 × 1,900 GB SSD | 1 × 3,800 GB SSD |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | 20000 Mbps | 20000 Mbps |
| EBS baseline bandwidth | 20,000 Mbps | 20,000 Mbps |
| EBS max bandwidth | 20,000 Mbps | 20,000 Mbps |
| EBS baseline throughput | 2,500 MB/s | 2,500 MB/s |
| EBS max throughput | 2,500 MB/s | 2,500 MB/s |
| EBS baseline IOPS | 80,000 | 80,000 |
| EBS max IOPS | 80,000 | 80,000 |
| Max EBS volumes | 25 | 48 |
| Instance details1 of 10 differ | r6id.16xlarge | r8id.16xlarge |
|---|---|---|
| Family | r6id | r8id |
| 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 | Legacy BIOS, UEFI | Legacy BIOS, UEFI |
On-demand prices by region
Cheapest for r6id.16xlarge first. Linux, USD per hour.
| Region | r6id.16xlarge | r8id.16xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $4.838 | $5.322 | ▲ 10% |
| US East (Ohio)us-east-2 | $4.838 | $5.322 | ▲ 10% |
| US West (Oregon)us-west-2 | $4.838 | $5.322 | ▲ 10% |
| Asia Pacific (Malaysia)ap-southeast-5 | $4.969 | $5.466 | ▲ 10% |
| Asia Pacific (Mumbai)ap-south-1 | $5.075 | $5.583 | ▲ 10% |
| EU (Ireland)eu-west-1 | $5.376 | $5.914 | ▲ 10% |
| Europe (Spain)eu-south-2 | $5.376 | $5.914 | ▲ 10% |
| Asia Pacific (Sydney)ap-southeast-2 | $5.568 | $6.125 | ▲ 10% |
| EU (London)eu-west-2 | $5.678 | $6.246 | ▲ 10% |
| EU (Frankfurt)eu-central-1 | $5.813 | $6.394 | ▲ 10% |
| Asia Pacific (Tokyo)ap-northeast-1 | $5.846 | $6.431 | ▲ 10% |
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.