m4vsr4
Size for size, m4 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 | m4 | r4 | r4 vs m4 |
|---|---|---|---|
| large | m4.large $0.1 | r4.large $0.133 | ▲ 33% |
| xlarge | m4.xlarge $0.2 | r4.xlarge $0.266 | ▲ 33% |
| 2xlarge | m4.2xlarge $0.4 | r4.2xlarge $0.532 | ▲ 33% |
| 4xlarge | m4.4xlarge $0.8 | r4.4xlarge $1.064 | ▲ 33% |
| 16xlarge | m4.16xlarge $3.20 | r4.16xlarge $4.256 | ▲ 33% |
Key differences
The biggest lead each family has.
Where m4 leads
On-demand priceCheaper in 5 of 5 shared sizes
25% cheaperSpot priceLower in 4 of 5 shared sizes
Cheaper spotWhere r4 leads
No clear lead on the measures we compare.
Keep exploring
Each family's own page, and how it compares with others.