db.m8gd.2xlargevsdb.r8gd.2xlarge

db.m8gd.2xlarge is 28% cheaper than db.r8gd.2xlarge on demand in US East (N. Virginia), saving $220.17 a month.

At a glancedb.m8gd.2xlargedb.r8gd.2xlarge
On-demand$0.7904/hr28% less$1.092/hr
Lowest rate$0.6323/hr28% less1-yr savings plan, hourly commitment$0.8736/hr1-yr savings plan, hourly commitment
Size8 vCPUs, 32 GiB8 vCPUs, 64 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.m8gd.2xlargedb.r8gd.2xlargedb.r8gd.2xlarge vs db.m8gd.2xlarge
On-demandPay by the hour$0.7904$1.092▲ 38%
1-yr savings planHourly commitment20% off$0.632320% off$0.8736▲ 38%

Key differences

The biggest lead each one has.

Where db.m8gd.2xlarge leads
On-demand price$0.7904 vs $1.092 per hour
28% cheaper
Where db.r8gd.2xlarge leads
Memory (GiB)64 vs 32
2× higher

Specs

4 of 24 specs differ. Those are in bold.

ComputeAll 7 matchdb.m8gd.2xlargedb.r8gd.2xlarge
vCPUs88
Physical cores88
Threads per core11
Architecturearm64arm64
CPU makerAWSAWS
Sustained clock2.8 GHz2.8 GHz
BurstableNoNo
Memory1 of 1 differdb.m8gd.2xlargedb.r8gd.2xlarge
Memory (GiB)3264
NetworkingAll 3 matchdb.m8gd.2xlargedb.r8gd.2xlarge
NetworkUp to 15 GigabitUp to 15 Gigabit
Network baseline3.75 Gbps3.75 Gbps
Network peak15 Gbps15 Gbps
StorageAll 8 matchdb.m8gd.2xlargedb.r8gd.2xlarge
Storage1 x 474 NVMe SSD1 x 474 NVMe SSD
Local disks1 × 474 GB SSD1 × 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 details2 of 4 differdb.m8gd.2xlargedb.r8gd.2xlarge
Familym8gdr8gd
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor3248
Other1 of 1 differdb.m8gd.2xlargedb.r8gd.2xlarge
Hardware Basism8gd.2xlarger8gd.2xlarge

On-demand prices by region

Cheapest for db.m8gd.2xlarge first. PostgreSQL, USD per hour.

Regiondb.m8gd.2xlargedb.r8gd.2xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$0.7904$1.092▲ 38%
US East (Ohio)us-east-2$0.7904$1.092▲ 38%
US West (Oregon)us-west-2$0.7904$1.092▲ 38%
Europe (Spain)eu-south-2$0.8708$1.28▲ 47%
Canada (Central)ca-central-1$0.91$1.181▲ 30%
EU (Ireland)eu-west-1$0.912$1.217▲ 33%
Asia Pacific (Malaysia)ap-southeast-5$0.936$1.116▲ 19%
EU (Frankfurt)eu-central-1$0.948$1.321▲ 39%
EU (London)eu-west-2$0.962$1.281▲ 33%
Asia Pacific (Tokyo)ap-northeast-1$1.106$1.314▲ 19%
Asia Pacific (Sydney)ap-southeast-2$1.175$1.322▲ 13%
South America (Sao Paulo)sa-east-1$1.257$1.736▲ 38%

Keep exploring

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

db.m8gd.2xlargeMemory optimized, m8gd family
db.m8gd.2xlarge prices and specsEvery size in the m8gd family

Compare db.m8gd.2xlarge with

db.m8g.2xlargedb.t4g.2xlargedb.m6gd.2xlarge
db.r8gd.2xlargeMemory optimized, r8gd family
db.r8gd.2xlarge prices and specsEvery size in the r8gd family

Compare db.r8gd.2xlarge with

db.r8g.2xlargedb.r6gd.2xlarge

Pay the committed rate, with commitment protection

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

Connect AWS account

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