db.c6gd.16xlargevsdb.m6gd.16xlarge

At a glancedb.c6gd.16xlargedb.m6gd.16xlarge
Size64 vCPUs, 128 GiB64 vCPUs, 256 GiB
ProcessorAWS Graviton2AWS Graviton2
Architecturearm64arm64

Key differences

The biggest lead each one has.

Where db.c6gd.16xlarge leads

No clear lead on the measures we compare.

Where db.m6gd.16xlarge leads
Memory (GiB)256 vs 128
2× higher

Specs

6 of 25 specs differ. Those are in bold.

ComputeAll 8 matchdb.c6gd.16xlargedb.m6gd.16xlarge
vCPUs6464
Physical cores6464
Threads per core11
Architecturearm64arm64
ProcessorAWS Graviton2AWS Graviton2
CPU makerAWSAWS
Sustained clock2.5 GHz2.5 GHz
BurstableNoNo
Memory1 of 1 differdb.c6gd.16xlargedb.m6gd.16xlarge
Memory (GiB)128256
Networking1 of 3 differdb.c6gd.16xlargedb.m6gd.16xlarge
Network25 Gbps25 Gigabit
Network baseline25 Gbps25 Gbps
Network peak25 Gbps25 Gbps
StorageAll 8 matchdb.c6gd.16xlargedb.m6gd.16xlarge
Storage2 x 1900 NVMe SSD2 x 1900 NVMe SSD
Local disks2 × 1,900 GB SSD2 × 1,900 GB SSD
EBS baseline bandwidth19,000 Mbps19,000 Mbps
EBS max bandwidth19,000 Mbps19,000 Mbps
EBS baseline throughput2,375 MB/s2,375 MB/s
EBS max throughput2,375 MB/s2,375 MB/s
EBS baseline IOPS80,00080,000
EBS max IOPS80,00080,000
Instance details3 of 4 differdb.c6gd.16xlargedb.m6gd.16xlarge
Familyc6gdm6gd
CategoryCompute optimizedGeneral purpose
Current generationYesYes
Normalization factor384256
Other1 of 1 differdb.c6gd.16xlargedb.m6gd.16xlarge
Hardware Basisc6gd.16xlargem6gd.16xlarge

Keep exploring

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

db.c6gd.16xlargeCompute optimized, c6gd family
db.c6gd.16xlarge prices and specsEvery size in the c6gd family

Compare db.c6gd.16xlarge with

db.r6gd.16xlarge
db.m6gd.16xlargeGeneral purpose, m6gd family
db.m6gd.16xlarge prices and specsEvery size in the m6gd family

Compare db.m6gd.16xlarge with

db.m6g.16xlargedb.m6id.16xlargedb.r6gd.16xlargedb.m8gd.16xlarge

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