db.m4.2xlargevsdb.r4.2xlarge

db.m4.2xlarge is 27% cheaper than db.r4.2xlarge on demand in US East (N. Virginia), saving $197.10 a month.

At a glancedb.m4.2xlargedb.r4.2xlarge
On-demand$0.73/hr27% less$1.00/hr
Size8 vCPUs, 32 GiB8 vCPUs, 61 GiB

Prices in US East (N. Virginia)

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

Optiondb.m4.2xlargedb.r4.2xlargedb.r4.2xlarge vs db.m4.2xlarge
On-demandPay by the hour$0.73$1.00▲ 37%

Key differences

The biggest lead each one has.

Where db.m4.2xlarge leads
On-demand price$0.73 vs $1.00 per hour
27% cheaper
Sustained clock2.4 GHz vs 2.3 GHz
4% higher
Where db.r4.2xlarge leads
Network baseline2.5 Gbps vs 1 Gbps
2.5× higher
Memory (GiB)61 vs 32
91% higher
EBS baseline bandwidth1,700 Mbps vs 1,000 Mbps
70% higher

Specs

12 of 18 specs differ. Those are in bold.

Compute1 of 6 differdb.m4.2xlargedb.r4.2xlarge
vCPUs88
Physical cores44
Threads per core22
CPU makerIntelIntel
Sustained clock2.4 GHz2.3 GHz
BurstableNoNo
Memory1 of 1 differdb.m4.2xlargedb.r4.2xlarge
Memory (GiB)3261
Networking1 of 2 differdb.m4.2xlargedb.r4.2xlarge
Network baseline1 Gbps2.5 Gbps
Network peak10 Gbps10 Gbps
Storage6 of 6 differdb.m4.2xlargedb.r4.2xlarge
EBS baseline bandwidth1,000 Mbps1,700 Mbps
EBS max bandwidth1,000 Mbps1,700 Mbps
EBS baseline throughput125 MB/s212.5 MB/s
EBS max throughput125 MB/s212.5 MB/s
EBS baseline IOPS8,00012,000
EBS max IOPS8,00012,000
Instance details2 of 2 differdb.m4.2xlargedb.r4.2xlarge
Familym4r4
Normalization factor–16
Other1 of 1 differdb.m4.2xlargedb.r4.2xlarge
Hardware Basism4.2xlarger4.2xlarge

On-demand prices by region

Cheapest for db.m4.2xlarge first. PostgreSQL, USD per hour.

Regiondb.m4.2xlargedb.r4.2xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$0.73$1.00▲ 37%
US East (Ohio)us-east-2$0.73$1.00▲ 37%
US West (Oregon)us-west-2$0.73$1.00▲ 37%
Canada (Central)ca-central-1$0.803$1.081▲ 35%
EU (Ireland)eu-west-1$0.806$1.12▲ 39%
EU (Paris)eu-west-3$0.811$1.176▲ 45%
EU (London)eu-west-2$0.846$1.176▲ 39%
US West (N. California)us-west-1$0.852$1.12▲ 31%
EU (Frankfurt)eu-central-1$0.87$1.22▲ 40%
AWS GovCloud (US-West)us-gov-west-1$0.872$1.204▲ 38%
South America (Sao Paulo)sa-east-1$0.954$2.094▲ 119%
Asia Pacific (Seoul)ap-northeast-2$1.008$1.20▲ 19%
Asia Pacific (Sydney)ap-southeast-2$1.026$1.20▲ 17%
Asia Pacific (Mumbai)ap-south-1$1.029$1.14▲ 11%
Asia Pacific (Osaka)ap-northeast-3$1.061$1.20▲ 13%
Asia Pacific (Tokyo)ap-northeast-1$1.061$1.20▲ 13%
Asia Pacific (Singapore)ap-southeast-1$1.084$1.20▲ 11%

Keep exploring

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

db.m4.2xlargem4 family
db.m4.2xlarge prices and specsEvery size in the m4 family

Compare db.m4.2xlarge with

db.t3.2xlargedb.t2.2xlargedb.m3.2xlargedb.m5.2xlarge
db.r4.2xlarger4 family
db.r4.2xlarge prices and specsEvery size in the r4 family

Compare db.r4.2xlarge with

db.r3.2xlargedb.r5.2xlargedb.r5.2xlarge.tpc1.mem2xdb.r5.2xlarge.tpc2.mem4xdb.r5.2xlarge.tpc2.mem8x

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