r6in.16xlargevsr8in.16xlarge
r6in.16xlarge is 17% cheaper than r8in.16xlarge on demand in US East (N. Virginia), saving $814.53 a month.
| At a glance | r6in.16xlarge | r8in.16xlarge |
|---|---|---|
| On-demand | $5.579/hr17% less | $6.694/hr |
| Lowest rate | $0.6151/hr74% lessSpot, can be interrupted | $2.356/hrSpot, 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 | r6in.16xlarge | r8in.16xlarge | r8in.16xlarge vs r6in.16xlarge |
|---|---|---|---|
| On-demandPay by the hour | $5.579 | $6.694 | ▲ 20% |
| SpotCan be interrupted | 89% off$0.6151 | 65% off$2.356 | ▲ 283% |
| 1-yr reservedNo upfront | 37% off$3.514 | — | — |
| 3-yr reservedNo upfront | 60% off$2.259 | — | — |
| 1-yr savings planHourly commitment | 28% off$4.042 | 28% off$4.85 | ▲ 20% |
| 3-yr savings planHourly commitment | 53% off$2.603 | 53% off$3.123 | ▲ 20% |
Key differences
The biggest lead each one has.
Where r6in.16xlarge leads
On-demand price$5.579 vs $6.694 per hour
17% cheaperEBS baseline bandwidth50,000 Mbps vs 20,000 Mbps
2.5× higherWhere r8in.16xlarge leads
Max EBS volumes48 vs 27
78% higherIPv4 addresses per interface64 vs 50
28% higherClock speed3.9 GHz vs 3.5 GHz
11% higherSpecs
16 of 40 specs differ. Those are in bold.
| Compute4 of 10 differ | r6in.16xlarge | r8in.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 | r6in.16xlarge | r8in.16xlarge |
|---|---|---|
| Memory (GiB) | 512 | 512 |
| Networking3 of 8 differ | r6in.16xlarge | r8in.16xlarge |
|---|---|---|
| Network | 100000 Megabit | 100 Gigabit |
| Network baseline | 100 Gbps | 100 Gbps |
| Network peak | 100 Gbps | 100 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | No |
| IPv6 | Yes | Yes |
| Max network interfaces | 15 | 16 |
| IPv4 addresses per interface | 50 | 64 |
| Storage8 of 11 differ | r6in.16xlarge | r8in.16xlarge |
|---|---|---|
| Storage | EBS only | EBS only |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | 50000 Mbps | 20000 Mbps |
| EBS baseline bandwidth | 50,000 Mbps | 20,000 Mbps |
| EBS max bandwidth | 50,000 Mbps | 20,000 Mbps |
| EBS baseline throughput | 6,250 MB/s | 2,500 MB/s |
| EBS max throughput | 6,250 MB/s | 2,500 MB/s |
| EBS baseline IOPS | 200,000 | 80,000 |
| EBS max IOPS | 200,000 | 80,000 |
| Max EBS volumes | 27 | 48 |
| Instance details1 of 10 differ | r6in.16xlarge | r8in.16xlarge |
|---|---|---|
| Family | r6in | r8in |
| 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 r6in.16xlarge first. Linux, USD per hour.
| Region | r6in.16xlarge | r8in.16xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $5.579 | $6.694 | ▲ 20% |
| US East (Ohio)us-east-2 | $5.579 | $6.694 | ▲ 20% |
| US West (Oregon)us-west-2 | $5.579 | $6.694 | ▲ 20% |
| EU (Ireland)eu-west-1 | $6.253 | $7.503 | ▲ 20% |
| EU (Frankfurt)eu-central-1 | $6.664 | $7.997 | ▲ 20% |
| Asia Pacific (Tokyo)ap-northeast-1 | $6.777 | $8.132 | ▲ 20% |
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.