db.m8g.2xlargevsdb.m8gd.2xlarge

db.m8g.2xlarge is 15% cheaper than db.m8gd.2xlarge on demand in US East (N. Virginia), saving $86.43 a month.

At a glancedb.m8g.2xlargedb.m8gd.2xlarge
On-demand$0.672/hr15% less$0.7904/hr
Lowest rate$0.5376/hr15% less1-yr savings plan, hourly commitment$0.6323/hr1-yr savings plan, hourly commitment
Size8 vCPUs, 32 GiB8 vCPUs, 32 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.m8g.2xlargedb.m8gd.2xlargedb.m8gd.2xlarge vs db.m8g.2xlarge
On-demandPay by the hour$0.672$0.7904▲ 18%
1-yr reservedNo upfront33% off$0.45——
3-yr reservedNo upfront53% off$0.3158——
1-yr savings planHourly commitment20% off$0.537620% off$0.6323▲ 18%

Key differences

The biggest lead each one has.

Where db.m8g.2xlarge leads
On-demand price$0.672 vs $0.7904 per hour
15% cheaper
Where db.m8gd.2xlarge leads

No clear lead on the measures we compare.

Specs

7 of 25 specs differ. Those are in bold.

Compute1 of 8 differdb.m8g.2xlargedb.m8gd.2xlarge
vCPUs88
Physical cores88
Threads per core11
Architecturearm64arm64
ProcessorAWS Graviton4–
CPU makerAWSAWS
Sustained clock2.8 GHz2.8 GHz
BurstableNoNo
MemoryAll 1 matchdb.m8g.2xlargedb.m8gd.2xlarge
Memory (GiB)3232
NetworkingAll 3 matchdb.m8g.2xlargedb.m8gd.2xlarge
NetworkUp to 15 GigabitUp to 15 Gigabit
Network baseline3.75 Gbps3.75 Gbps
Network peak15 Gbps15 Gbps
Storage2 of 8 differdb.m8g.2xlargedb.m8gd.2xlarge
StorageEBS Only1 x 474 NVMe SSD
Local disks–1 × 474 GB SSD
EBS baseline bandwidth2,500 Mbps2,500 Mbps
EBS max bandwidth10,000 Mbps10,000 Mbps
EBS baseline throughput312.5 MB/s312.5 MB/s
EBS max throughput1,250 MB/s1,250 MB/s
EBS baseline IOPS12,00012,000
EBS max IOPS40,00040,000
Instance details3 of 4 differdb.m8g.2xlargedb.m8gd.2xlarge
Familym8gm8gd
CategoryGeneral purposeMemory optimized
Current generationYesYes
Normalization factor1632
Other1 of 1 differdb.m8g.2xlargedb.m8gd.2xlarge
Hardware Basism8g.2xlargem8gd.2xlarge

On-demand prices by region

Cheapest for db.m8g.2xlarge first. PostgreSQL, USD per hour.

Regiondb.m8g.2xlargedb.m8gd.2xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$0.672$0.7904▲ 18%
US East (Ohio)us-east-2$0.672$0.7904▲ 18%
US West (Oregon)us-west-2$0.672$0.7904▲ 18%
EU (Ireland)eu-west-1$0.744$0.912▲ 23%
Europe (Spain)eu-south-2$0.744$0.8708▲ 17%
EU (London)eu-west-2$0.78$0.962▲ 23%
Asia Pacific (Malaysia)ap-southeast-5$0.796$0.936▲ 18%
EU (Frankfurt)eu-central-1$0.8$0.948▲ 18%
Asia Pacific (Tokyo)ap-northeast-1$0.936$1.106▲ 18%
Asia Pacific (Sydney)ap-southeast-2$0.937$1.175▲ 25%
South America (Sao Paulo)sa-east-1$1.069$1.257▲ 18%

Keep exploring

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

Pay the committed rate, with commitment protection

The best committed rate on these two is 20–53% below on-demand. Connect your cloud accounts to unlock greater savings with commitment protection.

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