r3vsr4

Size for size, r4 is on average 20% cheaper than r3 on demand in US East (N. Virginia), across 5 shared sizes. Same size, one generation apart.

At a glancer3r4
Sizes here56
From$0.245/hr$0.196/hr
vCPUs2 to 322 to 64
Memory15 to 244 GiB15.25 to 488 GiB
Architecture——
CategoryMemory optimizedMemory optimized

On-demand prices by size in US East (N. Virginia)

USD per hour for the standard option. Pick a size to compare the two types.

Key differences

The biggest lead each family has.

Where r3 leads

No clear lead on the measures we compare.

Where r4 leads
On-demand priceCheaper in 5 of 5 shared sizes
20% cheaper
Sizes6 sizes here vs 5
1 more
Largest size64 vCPUs vs 32
Bigger

Keep exploring

Each family's own page, and how it compares with others.

r35 sizes
Every size in the r3 family

Compare r3 with

r46 sizes
Every size in the r4 family

Compare r4 with

Pay the committed rate, with commitment protection

A 1-year reservation on these families is 31–31% below on-demand here. Connect your cloud accounts to unlock greater savings with commitment protection.

Connect AWS account