db.r5.12xlargevsdb.r6i.12xlarge.tpc2.mem2x

At a glancedb.r5.12xlargedb.r6i.12xlarge.tpc2.mem2x
Size48 vCPUs, 384 GiB48 vCPUs, 768 GiB

Key differences

The biggest lead each one has.

Where db.r5.12xlarge leads

No clear lead on the measures we compare.

Where db.r6i.12xlarge.tpc2.mem2x leads
Memory (GiB)768 vs 384
2× higher

Specs

21 of 24 specs differ. Those are in bold.

Compute7 of 8 differdb.r5.12xlargedb.r6i.12xlarge.tpc2.mem2x
vCPUs4848
Physical cores24–
Threads per core2–
Architecture–x86_64
Processor–Intel Xeon Scalable Ice Lake
CPU makerIntel–
Sustained clock3.1 GHz–
BurstableNo–
Memory1 of 1 differdb.r5.12xlargedb.r6i.12xlarge.tpc2.mem2x
Memory (GiB)384768
Networking3 of 3 differdb.r5.12xlargedb.r6i.12xlarge.tpc2.mem2x
Network–37.5 Gbps
Network baseline12 Gbps–
Network peak12 Gbps–
Storage6 of 7 differdb.r5.12xlargedb.r6i.12xlarge.tpc2.mem2x
StorageEBS OnlyEBS Only
EBS baseline bandwidth9,500 Mbps–
EBS max bandwidth9,500 Mbps–
EBS baseline throughput1,187.5 MB/s–
EBS max throughput1,187.5 MB/s–
EBS baseline IOPS40,000–
EBS max IOPS40,000–
Instance details3 of 4 differdb.r5.12xlargedb.r6i.12xlarge.tpc2.mem2x
Familyr5r6i
CategoryMemory optimizedMemory optimized
Current generation–Yes
Normalization factor–192
Other1 of 1 differdb.r5.12xlargedb.r6i.12xlarge.tpc2.mem2x
Hardware Basisr5.12xlarge–

Keep exploring

Each type’s own page, and how it compares with others.

db.r5.12xlargeMemory optimized, r5 family
db.r5.12xlarge prices and specsEvery size in the r5 family

Compare db.r5.12xlarge with

db.m5.12xlargedb.r5d.12xlargedb.r5b.12xlargedb.r6i.12xlarge
db.r6i.12xlarge.tpc2.mem2xMemory optimized, r6i family
db.r6i.12xlarge.tpc2.mem2x prices and specsEvery size in the r6i family

Compare db.r6i.12xlarge.tpc2.mem2x with

db.m6i.12xlargedb.r6g.12xlargedb.r6id.12xlargedb.r6idn.12xlargedb.r6in.12xlargedb.r5.12xlarge.tpc2.mem2xdb.r7i.12xlarge

Pay the committed rate, with commitment protection

Connect your cloud accounts to unlock greater savings with commitment protection.

Connect AWS account

AWS RDS PostgreSQL prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.