i4g.4xlargevsi8g.4xlarge
i4g.4xlarge is 10% cheaper than i8g.4xlarge on demand in US East (N. Virginia), saving $100.23 a month.
| At a glance | i4g.4xlarge | i8g.4xlarge |
|---|---|---|
| On-demand | $1.236/hr10% less | $1.373/hr |
| Lowest rate | $0.3315/hr30% lessSpot, can be interrupted | $0.4716/hrSpot, can be interrupted |
| Size | 16 vCPUs, 128 GiB | 16 vCPUs, 128 GiB |
| Processor | AWS Graviton2 Processor | AWS Graviton4 Processor |
| Architecture | arm64 | arm64 |
Prices in US East (N. Virginia)
“Off” is the discount against each type’s own on-demand price. Linux, USD per hour.
| Option | i4g.4xlarge | i8g.4xlarge | i8g.4xlarge vs i4g.4xlarge |
|---|---|---|---|
| On-demandPay by the hour | $1.236 | $1.373 | ▲ 11% |
| SpotCan be interrupted | 73% off$0.3315 | 66% off$0.4716 | ▲ 42% |
| 1-yr reservedNo upfront | 35% off$0.8018 | — | — |
| 3-yr reservedNo upfront | 54% off$0.5715 | — | — |
| 1-yr savings planHourly commitment | 22% off$0.9621 | 22% off$1.068 | ▲ 11% |
| 3-yr savings planHourly commitment | 44% off$0.6858 | 45% off$0.7615 | ▲ 11% |
Key differences
The biggest lead each one has.
Where i4g.4xlarge leads
On-demand price$1.236 vs $1.373 per hour
10% cheaperWhere i8g.4xlarge leads
Max EBS volumes32 vs 26
23% higherSustained clock2.8 GHz vs 2.5 GHz
12% higherSpecs
7 of 40 specs differ. Those are in bold.
| Compute3 of 9 differ | i4g.4xlarge | i8g.4xlarge |
|---|---|---|
| vCPUs | 16 | 16 |
| Physical cores | 16 | 16 |
| Threads per core | 1 | 1 |
| Architecture | arm64 | arm64 |
| Processor | AWS Graviton2 Processor | AWS Graviton4 Processor |
| CPU maker | AWS | AWS |
| Clock speed | 2.5 GHz | 2.7 GHz |
| Sustained clock | 2.5 GHz | 2.8 GHz |
| Burstable | No | No |
| MemoryAll 1 match | i4g.4xlarge | i8g.4xlarge |
|---|---|---|
| Memory (GiB) | 128 | 128 |
| NetworkingAll 8 match | i4g.4xlarge | i8g.4xlarge |
|---|---|---|
| Network | Up to 25 Gigabit | Up to 25 Gigabit |
| Network baseline | 9.375 Gbps | 9.375 Gbps |
| Network peak | 25 Gbps | 25 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | No |
| IPv6 | Yes | Yes |
| Max network interfaces | 8 | 8 |
| IPv4 addresses per interface | 30 | 30 |
| Storage3 of 12 differ | i4g.4xlarge | i8g.4xlarge |
|---|---|---|
| Storage | 1 x 3750 SSD | 1 x 3750GB |
| Local disks | 1 × 3,750 GB SSD | 1 × 3,750 GB SSD |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | Up to 10000 Mbps | Up to 10 Gbps |
| 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 | i4g.4xlarge | i8g.4xlarge |
|---|---|---|
| Family | i4g | i8g |
| Category | Storage optimized | Storage 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 | Yes | Yes |
| Nitro Enclaves | Yes | Yes |
| Boot modes | UEFI | UEFI |
On-demand prices by region
Cheapest for i4g.4xlarge first. Linux, USD per hour.
| Region | i4g.4xlarge | i8g.4xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $1.236 | $1.373 | ▲ 11% |
| US East (Ohio)us-east-2 | $1.236 | $1.373 | ▲ 11% |
| US West (Oregon)us-west-2 | $1.236 | $1.373 | ▲ 11% |
| Canada (Central)ca-central-1 | $1.362 | $1.513 | ▲ 11% |
| EU (Ireland)eu-west-1 | $1.362 | $1.513 | ▲ 11% |
| Asia Pacific (Singapore)ap-southeast-1 | $1.481 | $1.646 | ▲ 11% |
| Asia Pacific (Sydney)ap-southeast-2 | $1.481 | $1.646 | ▲ 11% |
| South America (Sao Paulo)sa-east-1 | $1.973 | $2.192 | ▲ 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.