r5vsr5b
Size for size, r5 is on average 28% cheaper than r5b on demand in US East (N. Virginia), across 9 shared sizes. The same size with or without local disk or extra networking.
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 | r5 | r5b | r5b vs r5 |
|---|---|---|---|
| large | db.r5.large.tpc1.mem2x $0.466 | db.r5b.large.tpc1.mem2x $0.551 | ▲ 18% |
| xlarge | db.r5.xlarge.tpc2.mem2x $0.932 | db.r5b.xlarge.tpc2.mem4x $2.205 | ▲ 137% |
| 2xlarge | db.r5.2xlarge.tpc2.mem4x $3.728 | db.r5b.2xlarge.tpc2.mem8x $8.821 | ▲ 137% |
| 4xlarge | db.r5.4xlarge.tpc2.mem4x $7.456 | db.r5b.4xlarge.tpc2.mem4x $8.821 | ▲ 18% |
| 8xlarge | db.r5.8xlarge.tpc2.mem3x $11.184 | db.r5b.8xlarge.tpc2.mem3x $13.231 | ▲ 18% |
| 12xlarge | db.r5.12xlarge.tpc2.mem2x $11.184 | db.r5b.12xlarge $7.104 | ▼ 36% |
| 16xlarge | db.r5.16xlarge $8.00 | db.r5b.16xlarge $9.472 | ▲ 18% |
| 24xlarge | db.r5.24xlarge $12.00 | db.r5b.24xlarge $14.208 | ▲ 18% |
| 6xlarge | db.r5.6xlarge.tpc2.mem4x $11.184 | db.r5b.6xlarge.tpc2.mem4x $13.231 | ▲ 18% |
Key differences
The biggest lead each family has.
Where r5 leads
On-demand priceCheaper in 8 of 9 shared sizes
28% cheaperSizes20 sizes here vs 19
1 moreWhere r5b leads
No clear lead on the measures we compare.
Keep exploring
Each family's own page, and how it compares with others.