c4vsr4
Size for size, c4 is on average 25% cheaper than r4 on demand in US East (N. Virginia), across 5 shared sizes. Same size and generation, tuned for different work (general, compute or memory).
On-demand prices by size in US East (N. Virginia)
USD per hour for Linux. Pick a size to compare the two types.
| Size | c4 | r4 | r4 vs c4 |
|---|---|---|---|
| large | c4.large $0.1 | r4.large $0.133 | ▲ 33% |
| xlarge | c4.xlarge $0.199 | r4.xlarge $0.266 | ▲ 34% |
| 2xlarge | c4.2xlarge $0.398 | r4.2xlarge $0.532 | ▲ 34% |
| 4xlarge | c4.4xlarge $0.796 | r4.4xlarge $1.064 | ▲ 34% |
| 8xlarge | c4.8xlarge $1.591 | r4.8xlarge $2.128 | ▲ 34% |
Key differences
The biggest lead each family has.
Where c4 leads
On-demand priceCheaper in 5 of 5 shared sizes
25% cheaperSpot priceLower in 4 of 5 shared sizes
Cheaper spotWhere r4 leads
Sizes6 sizes here vs 5
1 moreLargest size64 vCPUs vs 36
BiggerKeep exploring
Each family's own page, and how it compares with others.