c8g.16xlargevsr8g.16xlarge
c8g.16xlarge is 32% cheaper than r8g.16xlarge on demand in US East (N. Virginia), saving $889.07 a month.
| At a glance | c8g.16xlarge | r8g.16xlarge |
|---|---|---|
| On-demand | $2.552/hr32% less | $3.77/hr |
| Lowest rate | $0.7128/hr13% lessSpot, can be interrupted | $0.8157/hrSpot, can be interrupted |
| Size | 64 vCPUs, 128 GiB | 64 vCPUs, 512 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 | c8g.16xlarge | r8g.16xlarge | r8g.16xlarge vs c8g.16xlarge |
|---|---|---|---|
| On-demandPay by the hour | $2.552 | $3.77 | ▲ 48% |
| SpotCan be interrupted | 72% off$0.7128 | 78% off$0.8157 | ▲ 14% |
| 1-yr reservedNo upfront | 34% off$1.682 | 34% off$2.494 | ▲ 48% |
| 3-yr reservedNo upfront | 56% off$1.122 | 55% off$1.71 | ▲ 52% |
| 1-yr savings planHourly commitment | 28% off$1.83 | 28% off$2.732 | ▲ 49% |
| 3-yr savings planHourly commitment | 52% off$1.236 | 48% off$1.967 | ▲ 59% |
Key differences
The biggest lead each one has.
Where c8g.16xlarge leads
On-demand price$2.552 vs $3.77 per hour
32% cheaperWhere r8g.16xlarge leads
Memory (GiB)512 vs 128
4× higherSpecs
4 of 39 specs differ. Those are in bold.
| ComputeAll 9 match | c8g.16xlarge | r8g.16xlarge |
|---|---|---|
| vCPUs | 64 | 64 |
| Physical cores | 64 | 64 |
| Threads per core | 1 | 1 |
| Architecture | arm64 | arm64 |
| Processor | AWS Graviton4 Processor | AWS Graviton4 Processor |
| CPU maker | AWS | AWS |
| Clock speed | 2.7 GHz | 2.7 GHz |
| Sustained clock | 2.8 GHz | 2.8 GHz |
| Burstable | No | No |
| Memory1 of 1 differ | c8g.16xlarge | r8g.16xlarge |
|---|---|---|
| Memory (GiB) | 128 | 512 |
| NetworkingAll 8 match | c8g.16xlarge | r8g.16xlarge |
|---|---|---|
| Network | 30 Gigabit | 30 Gigabit |
| Network baseline | 30 Gbps | 30 Gbps |
| Network peak | 30 Gbps | 30 Gbps |
| Enhanced networking | Yes (ENA) | Yes (ENA) |
| EFA | No | No |
| IPv6 | Yes | Yes |
| Max network interfaces | 15 | 15 |
| IPv4 addresses per interface | 50 | 50 |
| StorageAll 11 match | c8g.16xlarge | r8g.16xlarge |
|---|---|---|
| Storage | EBS only | EBS only |
| EBS optimized | Yes | Yes |
| EBS over NVMe | Required | Required |
| EBS throughput | 20000 Mbps | 20000 Mbps |
| EBS baseline bandwidth | 20,000 Mbps | 20,000 Mbps |
| EBS max bandwidth | 20,000 Mbps | 20,000 Mbps |
| EBS baseline throughput | 2,500 MB/s | 2,500 MB/s |
| EBS max throughput | 2,500 MB/s | 2,500 MB/s |
| EBS baseline IOPS | 80,000 | 80,000 |
| EBS max IOPS | 80,000 | 80,000 |
| Max EBS volumes | 48 | 48 |
| Instance details3 of 10 differ | c8g.16xlarge | r8g.16xlarge |
|---|---|---|
| Family | c8g | r8g |
| Category | Compute optimized | Memory optimized |
| Current generation | Yes | Yes |
| Normalization factor | 128 | 128 |
| Bare metal | No | No |
| Hypervisor | Nitro | Nitro |
| Placement groups | Cluster, Partition, Spread | Cluster, Partition, Spread |
| Hibernation | Yes | No |
| Nitro Enclaves | Yes | Yes |
| Boot modes | UEFI | UEFI |
On-demand prices by region
Cheapest for c8g.16xlarge first. Linux, USD per hour.
| Region | c8g.16xlarge | r8g.16xlarge | Difference |
|---|---|---|---|
| Asia Pacific (Hyderabad)ap-south-2 | $1.727 | $2.643 | ▲ 53% |
| Asia Pacific (Mumbai)ap-south-1 | $1.727 | $2.643 | ▲ 53% |
| Asia Pacific (Malaysia)ap-southeast-5 | $2.492 | $3.866 | ▲ 55% |
| Asia Pacific (Thailand)ap-southeast-7 | $2.492 | $3.866 | ▲ 55% |
| US East (Ohio)us-east-2 | $2.543 | $3.77 | ▲ 48% |
| US East (N. Virginia)Used in summaryus-east-1 | $2.552 | $3.77 | ▲ 48% |
| US West (Oregon)us-west-2 | $2.552 | $3.77 | ▲ 48% |
| EU (Stockholm)eu-north-1 | $2.723 | $4.009 | ▲ 47% |
| Europe (Spain)eu-south-2 | $2.728 | $4.217 | ▲ 55% |
| EU (Ireland)eu-west-1 | $2.729 | $4.219 | ▲ 55% |
| Canada (Central)ca-central-1 | $2.783 | $4.129 | ▲ 48% |
| Canada West (Calgary)ca-west-1 | $2.783 | $4.129 | ▲ 48% |
| Asia Pacific (Seoul)ap-northeast-2 | $2.872 | $4.548 | ▲ 58% |
| EU (Frankfurt)eu-central-1 | $2.902 | $4.548 | ▲ 57% |
| Asia Pacific (Jakarta)ap-southeast-3 | $2.932 | $4.548 | ▲ 55% |
| Asia Pacific (Singapore)ap-southeast-1 | $2.933 | $4.548 | ▲ 55% |
| EU (Milan)eu-south-1 | $3.015 | $4.418 | ▲ 47% |
| EU (London)eu-west-2 | $3.022 | $4.428 | ▲ 47% |
| EU (Paris)eu-west-3 | $3.022 | $4.428 | ▲ 47% |
| AWS GovCloud (US-East)us-gov-east-1 | $3.052 | $4.518 | ▲ 48% |
| AWS GovCloud (US-West)us-gov-west-1 | $3.052 | $4.518 | ▲ 48% |
| US West (N. California)us-west-1 | $3.172 | $4.189 | ▲ 32% |
| Europe (Zurich)eu-central-2 | $3.193 | $5.003 | ▲ 57% |
| Asia Pacific (Osaka)ap-northeast-3 | $3.201 | $4.548 | ▲ 42% |
| Asia Pacific (Tokyo)ap-northeast-1 | $3.202 | $4.548 | ▲ 42% |
| Asia Pacific (Hong Kong)ap-east-1 | $3.203 | $4.998 | ▲ 56% |
| Asia Pacific (Melbourne)ap-southeast-4 | $3.321 | $4.518 | ▲ 36% |
| Asia Pacific (Sydney)ap-southeast-2 | $3.322 | $4.518 | ▲ 36% |
| Africa (Cape Town)af-south-1 | $3.411 | $5.027 | ▲ 47% |
| Asia Pacific (New Zealand)ap-southeast-6 | $3.487 | $4.744 | ▲ 36% |
| South America (Sao Paulo)sa-east-1 | $3.91 | $5.999 | ▲ 53% |
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.