db.m6g.16xlargevsdb.m6i.16xlarge

db.m6g.16xlarge is 11% cheaper than db.m6i.16xlarge on demand in US East (N. Virginia), saving $443.84 a month.

At a glancedb.m6g.16xlargedb.m6i.16xlarge
On-demand$5.088/hr11% less$5.696/hr
Lowest rate$3.259/hr11% less1-yr reserved, no upfront$3.648/hr1-yr reserved, no upfront
Size64 vCPUs, 256 GiB64 vCPUs, 256 GiB

Prices in US East (N. Virginia)

“Off” is the discount against each type’s own on-demand price. PostgreSQL, USD per hour.

Optiondb.m6g.16xlargedb.m6i.16xlargedb.m6i.16xlarge vs db.m6g.16xlarge
On-demandPay by the hour$5.088$5.696▲ 12%
1-yr reservedNo upfront36% off$3.25936% off$3.648▲ 12%

Key differences

The biggest lead each one has.

Where db.m6g.16xlarge leads
On-demand price$5.088 vs $5.696 per hour
11% cheaper
Physical cores64 vs 32
2× higher
Where db.m6i.16xlarge leads
Sustained clock3.5 GHz vs 2.5 GHz
40% higher
EBS baseline bandwidth20,000 Mbps vs 19,000 Mbps
5% higher

Specs

17 of 24 specs differ. Those are in bold.

Compute6 of 8 differdb.m6g.16xlargedb.m6i.16xlarge
vCPUs6464
Physical cores6432
Threads per core12
Architecturearm64–
ProcessorAWS Graviton2–
CPU makerAWSIntel
Sustained clock2.5 GHz3.5 GHz
BurstableNoNo
MemoryAll 1 matchdb.m6g.16xlargedb.m6i.16xlarge
Memory (GiB)256256
Networking1 of 3 differdb.m6g.16xlargedb.m6i.16xlarge
Network25 Gigabit–
Network baseline25 Gbps25 Gbps
Network peak25 Gbps25 Gbps
Storage5 of 7 differdb.m6g.16xlargedb.m6i.16xlarge
StorageEBS Only–
EBS baseline bandwidth19,000 Mbps20,000 Mbps
EBS max bandwidth19,000 Mbps20,000 Mbps
EBS baseline throughput2,375 MB/s2,500 MB/s
EBS max throughput2,375 MB/s2,500 MB/s
EBS baseline IOPS80,00080,000
EBS max IOPS80,00080,000
Instance details4 of 4 differdb.m6g.16xlargedb.m6i.16xlarge
Familym6gm6i
CategoryGeneral purpose–
Current generationYes–
Normalization factor256128
Other1 of 1 differdb.m6g.16xlargedb.m6i.16xlarge
Hardware Basism6g.16xlargem6i.16xlarge

On-demand prices by region

Cheapest for db.m6g.16xlarge first. PostgreSQL, USD per hour.

Regiondb.m6g.16xlargedb.m6i.16xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$5.088$5.696▲ 12%
US East (Ohio)us-east-2$5.088$5.696▲ 12%
US West (Oregon)us-west-2$5.088$5.696▲ 12%
Mexico (Central)mx-central-1$5.344$5.984▲ 12%
EU (Stockholm)eu-north-1$5.345$5.984▲ 12%
Canada (Central)ca-central-1$5.603$6.272▲ 12%
Canada West (Calgary)ca-west-1$5.603$6.272▲ 12%
EU (Ireland)eu-west-1$5.631$6.304▲ 12%
Europe (Spain)eu-south-2$5.632$6.304▲ 12%
US West (N. California)us-west-1$5.803$6.496▲ 12%
EU (London)eu-west-2$5.888$6.592▲ 12%
EU (Paris)eu-west-3$5.888$6.592▲ 12%
Israel (Tel Aviv)il-central-1$5.914$6.619▲ 12%
EU (Milan)eu-south-1$5.92$6.616▲ 12%
AWS GovCloud (US-East)us-gov-east-1$5.946$6.72▲ 13%
AWS GovCloud (US-West)us-gov-west-1$5.946$6.72▲ 13%
Asia Pacific (Malaysia)ap-southeast-5$6.016$6.72▲ 12%
Asia Pacific (Thailand)ap-southeast-7$6.016$6.72▲ 12%
EU (Frankfurt)eu-central-1$6.06$6.784▲ 12%
Middle East (Bahrain)me-south-1$6.176$6.944▲ 12%
Middle East (UAE)me-central-1$6.176$6.656▲ 8%
Asia Pacific (Taipei)ap-east-2$6.368$7.104▲ 12%
Europe (Zurich)eu-central-2$6.656$7.456▲ 12%
South America (Sao Paulo)sa-east-1$6.66$7.456▲ 12%
Africa (Cape Town)af-south-1$6.675$7.488▲ 12%
Asia Pacific (Jakarta)ap-southeast-3$7.06$7.904▲ 12%
Asia Pacific (Seoul)ap-northeast-2$7.06$7.904▲ 12%
Asia Pacific (Singapore)ap-southeast-1$7.06$7.904▲ 12%
Asia Pacific (Sydney)ap-southeast-2$7.06$7.904▲ 12%
Asia Pacific (Tokyo)ap-northeast-1$7.06$7.904▲ 12%
Asia Pacific (Hyderabad)ap-south-2$7.232$8.096▲ 12%
Asia Pacific (Mumbai)ap-south-1$7.232$8.096▲ 12%
Asia Pacific (New Zealand)ap-southeast-6$7.427$8.301▲ 12%
Asia Pacific (Osaka)ap-northeast-3$7.494$8.288▲ 11%
Asia Pacific (Hong Kong)ap-east-1$7.766$8.694▲ 12%

Keep exploring

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

db.m6g.16xlargeGeneral purpose, m6g family
db.m6g.16xlarge prices and specsEvery size in the m6g family

Compare db.m6g.16xlarge with

db.r6g.16xlargedb.m6gd.16xlargedb.m7g.16xlarge
db.m6i.16xlargem6i family
db.m6i.16xlarge prices and specsEvery size in the m6i family

Compare db.m6i.16xlarge with

db.r6i.16xlargedb.m6id.16xlargedb.m6idn.16xlargedb.m6in.16xlargedb.m5.16xlargedb.m7i.16xlarge

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