m3vsm4
Size for size, m4 is on average 6% cheaper than m3 on demand in US East (N. Virginia), across 3 shared sizes. Same size, one generation apart.
On-demand prices by size in US East (N. Virginia)
USD per hour for PostgreSQL, Single-AZ. Pick a size to compare the two types.
| Size | m3 | m4 | m4 vs m3 |
|---|---|---|---|
| large | db.m3.large $0.195 | db.m4.large $0.182 | ▼ 7% |
| xlarge | db.m3.xlarge $0.39 | db.m4.xlarge $0.365 | ▼ 6% |
| 2xlarge | db.m3.2xlarge $0.775 | db.m4.2xlarge $0.73 | ▼ 6% |
Key differences
The biggest lead each family has.
Where m3 leads
No clear lead on the measures we compare.
Where m4 leads
On-demand priceCheaper in 3 of 3 shared sizes
6% cheaperSizes6 sizes here vs 4
2 moreLargest size64 vCPUs vs 8
BiggerKeep exploring
Each family's own page, and how it compares with others.