c8gn.12xlarge
Compute optimized · c8gn series · AWS Graviton4 Processor
- vCPU
- 48
- Memory
- 96 GiB
- Linux / hour
- $2.84
- Per month
- $2,076
- Per vCPU-hour
- $0.0592
- Per GiB-hour
- $0.0296
Analysis
The c8gn.12xlarge is a compute optimized instance in the c8gn series with 48 vCPUs and 96 GiB of memory on AWS Graviton4 (up to 2.8 GHz), which makes it compute-heavy at 2 GiB of memory per vCPU.
Within the same generation and size, the c8g.12xlarge on AWS Graviton4 costs $1.91/hour, 33% less ($679 a month). The other variants are the c8i-flex.12xlarge at $2.14, the c8i.12xlarge at $2.25 and the c8gd.12xlarge at $2.35.
Per vCPU it is one of the dearer compute optimized types: 82% of the 291 current types in the family cost less than its $0.0592 per vCPU-hour. The premium mostly pays for a newer processor or a specialised configuration. On demand it is $2.84/hour in US East (N. Virginia), or $2,076 for a 730-hour month.
Running it in Mumbai instead of São Paulo saves $1,115 a month per instance: $2.84/hour against $4.37/hour, a 54% spread.
Looking beyond its own line, 24 of 30 current types with 48 vCPUs and similar memory are cheaper. The cheapest of those is the c6g.12xlarge on AWS Graviton2 at $1.63/hour.
It is 5.0% cheaper than the older c7gn.12xlarge on AWS Graviton3, so staying on the previous generation costs more as well as being slower.
Price by region (USD per hour)
| Region | Linux | Windows | 1-yr RI | 3-yr RI | |
|---|---|---|---|---|---|
| N. Virginia us-east-1 | $2.84 | – | – | – | |
| Ohio us-east-2 | $2.84 | – | – | – | |
| Oregon us-west-2 | $2.84 | – | – | – | |
| Canada Central ca-central-1 | $3.11 | – | – | – | |
| São Paulo sa-east-1 | $4.37 | – | – | – | |
| Ireland eu-west-1 | $3.21 | – | – | – | |
| London eu-west-2 | $3.37 | – | – | – | |
| Frankfurt eu-central-1 | $3.24 | – | – | – | |
| Mumbai ap-south-1 | $2.84 | – | – | – | |
| Singapore ap-southeast-1 | $3.27 | – | – | – | |
| Sydney ap-southeast-2 | $3.71 | – | – | – | |
| Tokyo ap-northeast-1 | $3.58 | – | – | – |
Shared tenancy, no pre-installed software. Reserved rates are standard, no upfront, per hour. Prices as of 2026-11-04.
Same shape, other types
| Type | vCPU | Memory | $/hour | vs c8gn.12xlarge |
|---|---|---|---|---|
| c6g.12xlarge AWS Graviton2 Processor | 48 | 96 GiB | $1.63 | -43% |
| c7g.12xlarge AWS Graviton3 Processor | 48 | 96 GiB | $1.74 | -39% |
| c6a.12xlarge AMD EPYC 7R13 Processor | 48 | 96 GiB | $1.84 | -35% |
| c6gd.12xlarge AWS Graviton2 Processor | 48 | 96 GiB | $1.84 | -35% |
| c5a.12xlarge AMD EPYC 7R32 | 48 | 96 GiB | $1.85 | -35% |
| c8g.12xlarge AWS Graviton4 Processor | 48 | 96 GiB | $1.91 | -33% |
Cost calculator
Specs
| vCPU | 48 |
|---|---|
| Memory | 96 GiB (2.0 per vCPU) |
| Processor | AWS Graviton4 Processor |
| Clock | 2.8 GHz |
| Storage | EBS only |
| Network | 150 Gigabit |
c8gn sizes
| c8gn.medium | 1 vCPU | $0.0593 |
| c8gn.large | 2 vCPU | $0.1185 |
| c8gn.xlarge | 4 vCPU | $0.2370 |
| c8gn.2xlarge | 8 vCPU | $0.4740 |
| c8gn.4xlarge | 16 vCPU | $0.9480 |
| c8gn.8xlarge | 32 vCPU | $1.90 |
| c8gn.12xlarge | 48 vCPU | $2.84 |
| c8gn.16xlarge | 64 vCPU | $3.79 |
| c8gn.24xlarge | 96 vCPU | $5.69 |
| c8gn.48xlarge | 192 vCPU | $11.38 |