db.r6g.12xlargevsdb.r6i.12xlarge.tpc2.mem2x

They use different processor architectures (arm64 and x86_64), so software built for one may need rebuilding to run on the other.

At a glancedb.r6g.12xlargedb.r6i.12xlarge.tpc2.mem2x
Size48 vCPUs, 384 GiB48 vCPUs, 768 GiB
ProcessorAWS Graviton2Intel Xeon Scalable Ice Lake
Architecturearm64x86_64

Key differences

The biggest lead each one has.

Where db.r6g.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.r6g.12xlargedb.r6i.12xlarge.tpc2.mem2x
vCPUs4848
Physical cores48–
Threads per core1–
Architecturearm64x86_64
ProcessorAWS Graviton2Intel Xeon Scalable Ice Lake
CPU makerAWS–
Sustained clock2.5 GHz–
BurstableNo–
Memory1 of 1 differdb.r6g.12xlargedb.r6i.12xlarge.tpc2.mem2x
Memory (GiB)384768
Networking3 of 3 differdb.r6g.12xlargedb.r6i.12xlarge.tpc2.mem2x
Network20 Gigabit37.5 Gbps
Network baseline20 Gbps–
Network peak20 Gbps–
Storage7 of 7 differdb.r6g.12xlargedb.r6i.12xlarge.tpc2.mem2x
StorageAurora IO Optimization ModeEBS Only
EBS baseline bandwidth14,250 Mbps–
EBS max bandwidth14,250 Mbps–
EBS baseline throughput1,781.25 MB/s–
EBS max throughput1,781.25 MB/s–
EBS baseline IOPS50,000–
EBS max IOPS50,000–
Instance details2 of 4 differdb.r6g.12xlargedb.r6i.12xlarge.tpc2.mem2x
Familyr6gr6i
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor124.8192
Other1 of 1 differdb.r6g.12xlargedb.r6i.12xlarge.tpc2.mem2x
Hardware Basisr6g.12xlarge–

Keep exploring

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

db.r6g.12xlargeMemory optimized, r6g family
db.r6g.12xlarge prices and specsEvery size in the r6g family

Compare db.r6g.12xlarge with

db.m6g.12xlargedb.r6i.12xlargedb.r6gd.12xlargedb.r7g.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.r6id.12xlargedb.r6idn.12xlargedb.r6in.12xlargedb.r5.12xlargedb.r5.12xlarge.tpc2.mem2xdb.r7i.12xlarge

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