r8i.xlargevsr8idb.xlarge
r8i.xlarge is 41% cheaper than r8idb.xlarge on demand in US East (N. Virginia), saving $139.50 a month.
| At a glance | r8i.xlarge | r8idb.xlarge |
|---|---|---|
| On-demand | $0.2778/hr41% less | $0.4689/hr |
| Lowest rate | $0.0915/hr31% lessSpot, can be interrupted | $0.1325/hrSpot, can be interrupted |
| Size | 4 vCPUs, 32 GiB | 4 vCPUs, 32 GiB |
| Processor | Intel Xeon Scalable (Granite Rapids) | 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 | r8i.xlarge | r8idb.xlarge | r8idb.xlarge vs r8i.xlarge |
|---|---|---|---|
| On-demandPay by the hour | $0.2778 | $0.4689 | ▲ 69% |
| SpotCan be interrupted | 67% off$0.0915 | 72% off$0.1325 | ▲ 45% |
| 1-yr savings planHourly commitment | 28% off$0.2013 | 28% off$0.3398 | ▲ 69% |
| 3-yr savings planHourly commitment | 48% off$0.1449 | 53% off$0.2192 | ▲ 51% |
Key differences
The biggest lead each one has.
Where r8i.xlarge leads
On-demand price$0.2778 vs $0.4689 per hour
41% cheaperWhere r8idb.xlarge leads
EBS max IOPS120,000 vs 40,000
3× higherNetwork baseline4.166 Gbps vs 1.875 Gbps
2.2× higherSpecs
13 of 41 specs differ. Those are in bold.
| ComputeAll 10 match | r8i.xlarge | r8idb.xlarge |
|---|---|---|
| vCPUs | 4 | 4 |
| Physical cores | 2 | 2 |
| Threads per core | 2 | 2 |
| Architecture | x86_64 | x86_64 |
| Processor | Intel Xeon Scalable (Granite Rapids) | Intel Xeon Scalable (Granite Rapids) |
| CPU maker | Intel | Intel |
| Clock speed | 3.9 GHz | 3.9 GHz |
| Sustained clock | 3.9 GHz | 3.9 GHz |
| Processor features | Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX | Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX |
| Burstable | No | No |
| MemoryAll 1 match | r8i.xlarge | r8idb.xlarge |
|---|---|---|
| Memory (GiB) | 32 | 32 |
| Networking3 of 8 differ | r8i.xlarge | r8idb.xlarge |
|---|---|---|
| Network | Up to 12500 Megabit | Up to 20 Gigabit |
| Network baseline | 1.875 Gbps | 4.166 Gbps |
| Network peak | 12.5 Gbps | 20 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | No |
| IPv6 | Yes | Yes |
| Max network interfaces | 4 | 4 |
| IPv4 addresses per interface | 30 | 30 |
| Storage9 of 12 differ | r8i.xlarge | r8idb.xlarge |
|---|---|---|
| Storage | EBS only | 1 x 237 NVMe SSD |
| Local disks | – | 1 × 237 GB SSD |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | Up to 10000 Mbps | Up to 25000 Mbps |
| EBS baseline bandwidth | 1,250 Mbps | 3,125 Mbps |
| EBS max bandwidth | 10,000 Mbps | 25,000 Mbps |
| EBS baseline throughput | 156.25 MB/s | 390.625 MB/s |
| EBS max throughput | 1,250 MB/s | 3,125 MB/s |
| EBS baseline IOPS | 6,000 | 15,000 |
| EBS max IOPS | 40,000 | 120,000 |
| Max EBS volumes | 32 | 32 |
| Instance details1 of 10 differ | r8i.xlarge | r8idb.xlarge |
|---|---|---|
| Family | r8i | r8idb |
| Category | Memory optimized | Memory optimized |
| Current generation | Yes | Yes |
| Normalization factor | 8 | 8 |
| Bare metal | No | No |
| Hypervisor | Nitro | Nitro |
| Placement groups | Cluster, Partition, Spread | Cluster, Partition, Spread |
| Hibernation | Yes | Yes |
| Nitro Enclaves | Yes | Yes |
| Boot modes | Legacy BIOS, UEFI | Legacy BIOS, UEFI |
On-demand prices by region
Cheapest for r8i.xlarge first. Linux, USD per hour.
| Region | r8i.xlarge | r8idb.xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $0.2778 | $0.4689 | ▲ 69% |
| US East (Ohio)us-east-2 | $0.2778 | $0.4689 | ▲ 69% |
| US West (Oregon)us-west-2 | $0.2778 | $0.4689 | ▲ 69% |
| EU (Ireland)eu-west-1 | $0.3109 | $0.5223 | ▲ 68% |
| Europe (Spain)eu-south-2 | $0.3109 | $0.5223 | ▲ 68% |
| Asia Pacific (Tokyo)ap-northeast-1 | $0.3352 | $0.57 | ▲ 70% |
| EU (Frankfurt)eu-central-1 | $0.3352 | $0.5588 | ▲ 67% |
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.