m8gb.4xlargevsr8gb.4xlarge
m8gb.4xlarge is 20% cheaper than r8gb.4xlarge on demand in US East (N. Virginia), saving $214.18 a month.
| At a glance | m8gb.4xlarge | r8gb.4xlarge |
|---|---|---|
| On-demand | $1.164/hr20% less | $1.457/hr |
| Lowest rate | $0.4289/hrSpot, can be interrupted | $0.3809/hr11% lessSpot, can be interrupted |
| Size | 16 vCPUs, 64 GiB | 16 vCPUs, 128 GiB |
| Processor | AWS Graviton4 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 | m8gb.4xlarge | r8gb.4xlarge | r8gb.4xlarge vs m8gb.4xlarge |
|---|---|---|---|
| On-demandPay by the hour | $1.164 | $1.457 | ▲ 25% |
| SpotCan be interrupted | 63% off$0.4289 | 74% off$0.3809 | ▼ 11% |
| 1-yr savings planHourly commitment | 27% off$0.8493 | 28% off$1.056 | ▲ 24% |
| 3-yr savings planHourly commitment | 56% off$0.5154 | 53% off$0.68 | ▲ 32% |
Key differences
The biggest lead each one has.
Where m8gb.4xlarge leads
On-demand price$1.164 vs $1.457 per hour
20% cheaperWhere r8gb.4xlarge leads
Memory (GiB)128 vs 64
2× higherSpecs
3 of 39 specs differ. Those are in bold.
| ComputeAll 9 match | m8gb.4xlarge | r8gb.4xlarge |
|---|---|---|
| vCPUs | 16 | 16 |
| Physical cores | 16 | 16 |
| Threads per core | 1 | 1 |
| Architecture | arm64 | arm64 |
| Processor | AWS Graviton4 Processor | AWS Graviton4 Processor |
| CPU maker | AWS | AWS |
| Clock speed | 2.8 GHz | 2.8 GHz |
| Sustained clock | 2.8 GHz | 2.8 GHz |
| Burstable | No | No |
| Memory1 of 1 differ | m8gb.4xlarge | r8gb.4xlarge |
|---|---|---|
| Memory (GiB) | 64 | 128 |
| NetworkingAll 8 match | m8gb.4xlarge | r8gb.4xlarge |
|---|---|---|
| Network | 33.333 Gigabit | 33.333 Gigabit |
| Network baseline | 33.333 Gbps | 33.333 Gbps |
| Network peak | 33.333 Gbps | 33.333 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | No |
| IPv6 | Yes | Yes |
| Max network interfaces | 8 | 8 |
| IPv4 addresses per interface | 30 | 30 |
| StorageAll 11 match | m8gb.4xlarge | r8gb.4xlarge |
|---|---|---|
| Storage | EBS only | EBS only |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | 25000 Mbps | 25000 Mbps |
| EBS baseline bandwidth | 25,000 Mbps | 25,000 Mbps |
| EBS max bandwidth | 25,000 Mbps | 25,000 Mbps |
| EBS baseline throughput | 3,125 MB/s | 3,125 MB/s |
| EBS max throughput | 3,125 MB/s | 3,125 MB/s |
| EBS baseline IOPS | 120,000 | 120,000 |
| EBS max IOPS | 120,000 | 120,000 |
| Max EBS volumes | 32 | 32 |
| Instance details2 of 10 differ | m8gb.4xlarge | r8gb.4xlarge |
|---|---|---|
| Family | m8gb | r8gb |
| Category | General purpose | 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 | Yes | Yes |
| Nitro Enclaves | Yes | Yes |
| Boot modes | UEFI | UEFI |
On-demand prices by region
Cheapest for m8gb.4xlarge first. Linux, USD per hour.
| Region | m8gb.4xlarge | r8gb.4xlarge | Difference |
|---|---|---|---|
| US East (N. Virginia)Used in summaryus-east-1 | $1.164 | $1.457 | ▲ 25% |
| US West (Oregon)us-west-2 | $1.164 | $1.457 | ▲ 25% |
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.