r6a.8xlargevsr6i.8xlarge
r6a.8xlarge is 10% cheaper than r6i.8xlarge on demand in US East (N. Virginia), saving $147.17 a month.
| At a glance | r6a.8xlarge | r6i.8xlarge |
|---|---|---|
| On-demand | $1.814/hr10% less | $2.016/hr |
| Lowest rate | $0.3899/hr75% lessSpot, can be interrupted | $1.556/hrSpot, can be interrupted |
| Size | 32 vCPUs, 256 GiB | 32 vCPUs, 256 GiB |
| Processor | AMD EPYC 7R13 Processor | Intel Xeon 8375C (Ice Lake) |
| 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 | r6a.8xlarge | r6i.8xlarge | r6i.8xlarge vs r6a.8xlarge |
|---|---|---|---|
| On-demandPay by the hour | $1.814 | $2.016 | ▲ 11% |
| SpotCan be interrupted | 79% off$0.3899 | 23% off$1.556 | ▲ 299% |
| 1-yr reservedNo upfront | 34% off$1.20 | 34% off$1.334 | ▲ 11% |
| 3-yr reservedNo upfront | 55% off$0.823 | 55% off$0.9145 | ▲ 11% |
| 1-yr savings planHourly commitment | 28% off$1.315 | 28% off$1.461 | ▲ 11% |
| 3-yr savings planHourly commitment | 48% off$0.9465 | 48% off$1.052 | ▲ 11% |
Key differences
The biggest lead each one has.
Where r6a.8xlarge leads
On-demand price$1.814 vs $2.016 per hour
10% cheaperClock speed3.6 GHz vs 3.5 GHz
3% higherWhere r6i.8xlarge leads
No clear lead on the measures we compare.
Specs
7 of 40 specs differ. Those are in bold.
| Compute5 of 10 differ | r6a.8xlarge | r6i.8xlarge |
|---|---|---|
| vCPUs | 32 | 32 |
| Physical cores | 16 | 16 |
| Threads per core | 2 | 2 |
| Architecture | x86_64 | x86_64 |
| Processor | AMD EPYC 7R13 Processor | Intel Xeon 8375C (Ice Lake) |
| CPU maker | AMD | Intel |
| Clock speed | 3.6 GHz | 3.5 GHz |
| Sustained clock | 3.6 GHz | 3.5 GHz |
| Processor features | AMD Turbo; AVX; AVX2 | Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo |
| Burstable | No | No |
| MemoryAll 1 match | r6a.8xlarge | r6i.8xlarge |
|---|---|---|
| Memory (GiB) | 256 | 256 |
| NetworkingAll 8 match | r6a.8xlarge | r6i.8xlarge |
|---|---|---|
| Network | 12500 Megabit | 12500 Megabit |
| Network baseline | 12.5 Gbps | 12.5 Gbps |
| Network peak | 12.5 Gbps | 12.5 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | No |
| IPv6 | Yes | Yes |
| Max network interfaces | 8 | 8 |
| IPv4 addresses per interface | 30 | 30 |
| Storage1 of 11 differ | r6a.8xlarge | r6i.8xlarge |
|---|---|---|
| Storage | EBS only | EBS only |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | 6667 Mbps | 10000 Mbps |
| EBS baseline bandwidth | 10,000 Mbps | 10,000 Mbps |
| EBS max bandwidth | 10,000 Mbps | 10,000 Mbps |
| EBS baseline throughput | 1,250 MB/s | 1,250 MB/s |
| EBS max throughput | 1,250 MB/s | 1,250 MB/s |
| EBS baseline IOPS | 40,000 | 40,000 |
| EBS max IOPS | 40,000 | 40,000 |
| Max EBS volumes | 27 | 27 |
| Instance details1 of 10 differ | r6a.8xlarge | r6i.8xlarge |
|---|---|---|
| Family | r6a | r6i |
| Category | Memory optimized | Memory optimized |
| Current generation | Yes | Yes |
| Normalization factor | 64 | 64 |
| 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 r6a.8xlarge first. Linux, USD per hour.
| Region | r6a.8xlarge | r6i.8xlarge | Difference |
|---|---|---|---|
| Asia Pacific (Hyderabad)ap-south-2 | $1.144 | $2.08 | ▲ 82% |
| Asia Pacific (Mumbai)ap-south-1 | $1.144 | $2.08 | ▲ 82% |
| US East (N. Virginia)Used in summaryus-east-1 | $1.814 | $2.016 | ▲ 11% |
| US East (Ohio)us-east-2 | $1.814 | $2.016 | ▲ 11% |
| US West (Oregon)us-west-2 | $1.814 | $2.016 | ▲ 11% |
| Canada (Central)ca-central-1 | $1.987 | $2.208 | ▲ 11% |
| US West (N. California)us-west-1 | $2.016 | $2.24 | ▲ 11% |
| EU (Ireland)eu-west-1 | $2.03 | $2.256 | ▲ 11% |
| EU (London)eu-west-2 | $2.131 | $2.368 | ▲ 11% |
| Asia Pacific (Sydney)ap-southeast-2 | $2.174 | $2.416 | ▲ 11% |
| Asia Pacific (Singapore)ap-southeast-1 | $2.189 | $2.432 | ▲ 11% |
| Asia Pacific (Tokyo)ap-northeast-1 | $2.189 | $2.432 | ▲ 11% |
| EU (Frankfurt)eu-central-1 | $2.189 | $2.432 | ▲ 11% |
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.