db.m6gd.8xlargevsdb.r6gd.8xlarge

db.m6gd.8xlarge is 27% cheaper than db.r6gd.8xlarge on demand in US East (N. Virginia), saving $822.71 a month.

At a glancedb.m6gd.8xlargedb.r6gd.8xlarge
On-demand$2.987/hr27% less$4.114/hr
Lowest rate$2.30/hr27% less1-yr reserved, no upfront$3.168/hr1-yr reserved, no upfront
Size32 vCPUs, 128 GiB32 vCPUs, 256 GiB
ProcessorAWS Graviton2AWS Graviton2
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.8xlargedb.r6gd.8xlargedb.r6gd.8xlarge vs db.m6gd.8xlarge
On-demandPay by the hour$2.987$4.114▲ 38%
1-yr reservedNo upfront23% off$2.3023% off$3.168▲ 38%

Key differences

The biggest lead each one has.

Where db.m6gd.8xlarge leads
On-demand price$2.987 vs $4.114 per hour
27% cheaper
Where db.r6gd.8xlarge leads
Memory (GiB)256 vs 128
2× higher

Specs

4 of 25 specs differ. Those are in bold.

ComputeAll 8 matchdb.m6gd.8xlargedb.r6gd.8xlarge
vCPUs3232
Physical cores3232
Threads per core11
Architecturearm64arm64
ProcessorAWS Graviton2AWS Graviton2
CPU makerAWSAWS
Sustained clock2.5 GHz2.5 GHz
BurstableNoNo
Memory1 of 1 differdb.m6gd.8xlargedb.r6gd.8xlarge
Memory (GiB)128256
NetworkingAll 3 matchdb.m6gd.8xlargedb.r6gd.8xlarge
Network10 Gigabit10 Gigabit
Network baseline12 Gbps12 Gbps
Network peak12 Gbps12 Gbps
StorageAll 8 matchdb.m6gd.8xlargedb.r6gd.8xlarge
Storage1 x 1900 NVMe SSD1 x 1900 NVMe SSD
Local disks1 × 1,900 GB SSD1 × 1,900 GB SSD
EBS baseline bandwidth9,500 Mbps9,500 Mbps
EBS max bandwidth9,500 Mbps9,500 Mbps
EBS baseline throughput1,187.5 MB/s1,187.5 MB/s
EBS max throughput1,187.5 MB/s1,187.5 MB/s
EBS baseline IOPS40,00040,000
EBS max IOPS40,00040,000
Instance details2 of 4 differdb.m6gd.8xlargedb.r6gd.8xlarge
Familym6gdr6gd
CategoryGeneral purposeMemory optimized
Current generationYesYes
Normalization factor128128
Other1 of 1 differdb.m6gd.8xlargedb.r6gd.8xlarge
Hardware Basism6gd.8xlarger6gd.8xlarge

On-demand prices by region

Cheapest for db.m6gd.8xlarge first. PostgreSQL, USD per hour.

Regiondb.m6gd.8xlargedb.r6gd.8xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$2.987$4.114▲ 38%
US East (Ohio)us-east-2$2.987$4.114▲ 38%
US West (Oregon)us-west-2$2.987$4.114▲ 38%
EU (Stockholm)eu-north-1$3.128$5.146▲ 65%
Mexico (Central)mx-central-1$3.136$4.32▲ 38%
Canada (Central)ca-central-1$3.296$4.451▲ 35%
Europe (Spain)eu-south-2$3.296$4.576▲ 39%
EU (Ireland)eu-west-1$3.301$4.575▲ 39%
US West (N. California)us-west-1$3.426$4.68▲ 37%
EU (Paris)eu-west-3$3.454$4.84▲ 40%
Israel (Tel Aviv)il-central-1$3.461$4.805▲ 39%
EU (London)eu-west-2$3.474$5.837▲ 68%
AWS GovCloud (US-East)us-gov-east-1$3.52$4.944▲ 40%
AWS GovCloud (US-West)us-gov-west-1$3.52$4.944▲ 40%
Asia Pacific (Malaysia)ap-southeast-5$3.536$4.208▲ 19%
Asia Pacific (Thailand)ap-southeast-7$3.536$4.208▲ 19%
EU (Frankfurt)eu-central-1$3.583$4.975▲ 39%
Asia Pacific (Taipei)ap-east-2$3.76$4.448▲ 18%
Europe (Zurich)eu-central-2$3.936$5.464▲ 39%
Asia Pacific (Jakarta)ap-southeast-3$4.162$4.938▲ 19%
Asia Pacific (Singapore)ap-southeast-1$4.162$4.938▲ 19%
Asia Pacific (Seoul)ap-northeast-2$4.176$6.01▲ 44%
Asia Pacific (Tokyo)ap-northeast-1$4.179$4.938▲ 18%
Asia Pacific (Sydney)ap-southeast-2$4.199$4.971▲ 18%
Asia Pacific (Mumbai)ap-south-1$4.316$4.707▲ 9%
Asia Pacific (New Zealand)ap-southeast-6$4.402$8.202▲ 86%
Asia Pacific (Osaka)ap-northeast-3$4.408$4.946▲ 12%

Keep exploring

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

db.m6gd.8xlargeGeneral purpose, m6gd family
db.m6gd.8xlarge prices and specsEvery size in the m6gd family

Compare db.m6gd.8xlarge with

db.m6g.8xlargedb.m6id.8xlargedb.c6gd.8xlargedb.m8gd.8xlarge
db.r6gd.8xlargeMemory optimized, r6gd family
db.r6gd.8xlarge prices and specsEvery size in the r6gd family

Compare db.r6gd.8xlarge with

db.r6g.8xlargedb.r6id.8xlargedb.c6gd.8xlargedb.r8gd.8xlarge

Pay the committed rate, with commitment protection

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