r6id.4xlargevsr8id.4xlarge
r6id.4xlarge is 9% cheaper than r8id.4xlarge on demand in US East (N. Virginia), saving $88.33 a month.
| At a glance | r6id.4xlarge | r8id.4xlarge |
|---|---|---|
| On-demand | $1.21/hr9% less | $1.331/hr |
| Lowest rate | $0.7393/hrSpot, can be interrupted | $0.4886/hr34% lessSpot, can be interrupted |
| Size | 16 vCPUs, 128 GiB | 16 vCPUs, 128 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.4xlarge | r8id.4xlarge | r8id.4xlarge vs r6id.4xlarge |
|---|---|---|---|
| On-demandPay by the hour | $1.21 | $1.331 | ▲ 10% |
| SpotCan be interrupted | 39% off$0.7393 | 63% off$0.4886 | ▼ 34% |
| 1-yr reservedNo upfront | 37% off$0.7602 | — | — |
| 3-yr reservedNo upfront | 57% off$0.5227 | — | — |
| 1-yr savings planHourly commitment | 27% off$0.8776 | 27% off$0.9654 | ▲ 10% |
| 3-yr savings planHourly commitment | 49% off$0.6214 | 49% off$0.6836 | ▲ 10% |
Key differences
The biggest lead each one has.
Where r6id.4xlarge leads
On-demand price$1.21 vs $1.331 per hour
9% cheaperWhere r8id.4xlarge leads
IPv4 addresses per interface50 vs 30
67% higherMax EBS volumes32 vs 26
23% higherClock speed3.9 GHz vs 3.5 GHz
11% higherSpecs
10 of 41 specs differ. Those are in bold.
| Compute4 of 10 differ | r6id.4xlarge | r8id.4xlarge |
|---|---|---|
| vCPUs | 16 | 16 |
| Physical cores | 8 | 8 |
| 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.4xlarge | r8id.4xlarge |
|---|---|---|
| Memory (GiB) | 128 | 128 |
| Networking4 of 8 differ | r6id.4xlarge | r8id.4xlarge |
|---|---|---|
| Network | Up to 12500 Megabit | Up to 15000 Megabit |
| Network baseline | 6.25 Gbps | 7.5 Gbps |
| Network peak | 12.5 Gbps | 15 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | No |
| IPv6 | Yes | Yes |
| Max network interfaces | 8 | 8 |
| IPv4 addresses per interface | 30 | 50 |
| Storage1 of 12 differ | r6id.4xlarge | r8id.4xlarge |
|---|---|---|
| Storage | 1 x 950 NVMe SSD | 1 x 950 NVMe SSD |
| Local disks | 1 × 950 GB SSD | 1 × 950 GB SSD |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | Up to 10000 Mbps | Up to 10000 Mbps |
| EBS baseline bandwidth | 5,000 Mbps | 5,000 Mbps |
| EBS max bandwidth | 10,000 Mbps | 10,000 Mbps |
| EBS baseline throughput | 625 MB/s | 625 MB/s |
| EBS max throughput | 1,250 MB/s | 1,250 MB/s |
| EBS baseline IOPS | 20,000 | 20,000 |
| EBS max IOPS | 40,000 | 40,000 |
| Max EBS volumes | 26 | 32 |
| Instance details1 of 10 differ | r6id.4xlarge | r8id.4xlarge |
|---|---|---|
| Family | r6id | r8id |
| Category | Memory optimized | Memory optimized |
| Current generation | Yes | Yes |
| Normalization factor | 32 | 32 |
| 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.4xlarge first. Linux, USD per hour.
| Region | r6id.4xlarge | r8id.4xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $1.21 | $1.331 | ▲ 10% |
| US East (Ohio)us-east-2 | $1.21 | $1.331 | ▲ 10% |
| US West (Oregon)us-west-2 | $1.21 | $1.331 | ▲ 10% |
| Asia Pacific (Malaysia)ap-southeast-5 | $1.242 | $1.367 | ▲ 10% |
| Asia Pacific (Mumbai)ap-south-1 | $1.269 | $1.396 | ▲ 10% |
| EU (Ireland)eu-west-1 | $1.344 | $1.478 | ▲ 10% |
| Europe (Spain)eu-south-2 | $1.344 | $1.478 | ▲ 10% |
| Asia Pacific (Sydney)ap-southeast-2 | $1.392 | $1.531 | ▲ 10% |
| EU (London)eu-west-2 | $1.42 | $1.562 | ▲ 10% |
| EU (Frankfurt)eu-central-1 | $1.453 | $1.599 | ▲ 10% |
| Asia Pacific (Tokyo)ap-northeast-1 | $1.462 | $1.608 | ▲ 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.