db.m6gd.4xlargevsdb.r6gd.4xlarge

db.m6gd.4xlarge is 27% cheaper than db.r6gd.4xlarge on demand in US East (N. Virginia), saving $411.72 a month.

At a glancedb.m6gd.4xlargedb.r6gd.4xlarge
On-demand$1.493/hr27% less$2.057/hr
Lowest rate$1.15/hr27% less1-yr reserved, no upfront$1.584/hr1-yr reserved, no upfront
Size16 vCPUs, 64 GiB16 vCPUs, 128 GiB
Architecturearm64arm64

Prices in US East (N. Virginia)

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

Optiondb.m6gd.4xlargedb.r6gd.4xlargedb.r6gd.4xlarge vs db.m6gd.4xlarge
On-demandPay by the hour$1.493$2.057▲ 38%
1-yr reservedNo upfront23% off$1.1523% off$1.584▲ 38%

Key differences

The biggest lead each one has.

Where db.m6gd.4xlarge leads
On-demand price$1.493 vs $2.057 per hour
27% cheaper
Where db.r6gd.4xlarge leads
Memory (GiB)128 vs 64
2× higher

Specs

9 of 25 specs differ. Those are in bold.

Compute1 of 8 differdb.m6gd.4xlargedb.r6gd.4xlarge
vCPUs1616
Physical cores1616
Threads per core11
Architecturearm64arm64
Processor–AWS Graviton2
CPU makerAWSAWS
Sustained clock2.5 GHz2.5 GHz
BurstableNoNo
Memory1 of 1 differdb.m6gd.4xlargedb.r6gd.4xlarge
Memory (GiB)64128
Networking1 of 3 differdb.m6gd.4xlargedb.r6gd.4xlarge
Network–Up to 10 Gigabit
Network baseline5 Gbps5 Gbps
Network peak10 Gbps10 Gbps
Storage1 of 8 differdb.m6gd.4xlargedb.r6gd.4xlarge
Storage–1 x 950 NVMe SSD
Local disks1 × 950 GB SSD1 × 950 GB SSD
EBS baseline bandwidth4,750 Mbps4,750 Mbps
EBS max bandwidth4,750 Mbps4,750 Mbps
EBS baseline throughput593.75 MB/s593.75 MB/s
EBS max throughput593.75 MB/s593.75 MB/s
EBS baseline IOPS20,00020,000
EBS max IOPS20,00020,000
Instance details4 of 4 differdb.m6gd.4xlargedb.r6gd.4xlarge
Familym6gdr6gd
Category–Memory optimized
Current generation–Yes
Normalization factor3264
Other1 of 1 differdb.m6gd.4xlargedb.r6gd.4xlarge
Hardware Basism6gd.4xlarger6gd.4xlarge

On-demand prices by region

Cheapest for db.m6gd.4xlarge first. PostgreSQL, USD per hour.

Regiondb.m6gd.4xlargedb.r6gd.4xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$1.493$2.057▲ 38%
US East (Ohio)us-east-2$1.493$2.057▲ 38%
US West (Oregon)us-west-2$1.493$2.057▲ 38%
EU (Stockholm)eu-north-1$1.564$2.573▲ 65%
Mexico (Central)mx-central-1$1.568$2.16▲ 38%
Canada (Central)ca-central-1$1.648$2.226▲ 35%
Europe (Spain)eu-south-2$1.648$2.288▲ 39%
EU (Ireland)eu-west-1$1.65$2.288▲ 39%
US West (N. California)us-west-1$1.713$2.34▲ 37%
EU (Paris)eu-west-3$1.727$2.42▲ 40%
Israel (Tel Aviv)il-central-1$1.73$2.402▲ 39%
EU (London)eu-west-2$1.737$2.918▲ 68%
AWS GovCloud (US-East)us-gov-east-1$1.76$2.472▲ 40%
AWS GovCloud (US-West)us-gov-west-1$1.76$2.472▲ 40%
Asia Pacific (Malaysia)ap-southeast-5$1.768$2.104▲ 19%
Asia Pacific (Thailand)ap-southeast-7$1.768$2.104▲ 19%
EU (Frankfurt)eu-central-1$1.791$2.488▲ 39%
Asia Pacific (Taipei)ap-east-2$1.88$2.224▲ 18%
Europe (Zurich)eu-central-2$1.968$2.732▲ 39%
Asia Pacific (Jakarta)ap-southeast-3$2.081$2.469▲ 19%
Asia Pacific (Singapore)ap-southeast-1$2.081$2.469▲ 19%
Asia Pacific (Seoul)ap-northeast-2$2.088$3.005▲ 44%
Asia Pacific (Tokyo)ap-northeast-1$2.089$2.469▲ 18%
Asia Pacific (Sydney)ap-southeast-2$2.10$2.485▲ 18%
Asia Pacific (Mumbai)ap-south-1$2.158$2.354▲ 9%
Asia Pacific (New Zealand)ap-southeast-6$2.201$4.101▲ 86%
Asia Pacific (Osaka)ap-northeast-3$2.204$2.473▲ 12%

Keep exploring

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

db.m6gd.4xlargem6gd family
db.m6gd.4xlarge prices and specsEvery size in the m6gd family

Compare db.m6gd.4xlarge with

db.m6g.4xlargedb.m6id.4xlargedb.c6gd.4xlargedb.m8gd.4xlarge
db.r6gd.4xlargeMemory optimized, r6gd family
db.r6gd.4xlarge prices and specsEvery size in the r6gd family

Compare db.r6gd.4xlarge with

db.r6g.4xlargedb.r6id.4xlargedb.c6gd.4xlargedb.r8gd.4xlarge

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