db.m4.xlargevsdb.m5.xlarge

db.m5.xlarge is 2% cheaper than db.m4.xlarge on demand in US East (N. Virginia), saving $6.57 a month.

At a glancedb.m4.xlargedb.m5.xlarge
On-demand$0.365/hr$0.356/hr2% less
Size4 vCPUs, 16 GiB4 vCPUs, 16 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.xlargedb.m5.xlargedb.m5.xlarge vs db.m4.xlarge
On-demandPay by the hour$0.365$0.356▼ 2%
1-yr reservedNo upfront—36% off$0.228—

Key differences

The biggest lead each one has.

Where db.m4.xlarge leads

No clear lead on the measures we compare.

Where db.m5.xlarge leads
On-demand price$0.356 vs $0.365 per hour
2% cheaper
EBS max bandwidth4,750 Mbps vs 750 Mbps
6.3× higher
Network peak10 Gbps vs 2.8 Gbps
3.6× higher
Sustained clock3.1 GHz vs 2.4 GHz
29% higher

Specs

13 of 20 specs differ. Those are in bold.

Compute1 of 6 differdb.m4.xlargedb.m5.xlarge
vCPUs44
Physical cores22
Threads per core22
CPU makerIntelIntel
Sustained clock2.4 GHz3.1 GHz
BurstableNoNo
MemoryAll 1 matchdb.m4.xlargedb.m5.xlarge
Memory (GiB)1616
Networking2 of 2 differdb.m4.xlargedb.m5.xlarge
Network baseline0.75 Gbps1.25 Gbps
Network peak2.8 Gbps10 Gbps
Storage6 of 7 differdb.m4.xlargedb.m5.xlarge
Storage–EBS Only
EBS baseline bandwidth750 Mbps1,150 Mbps
EBS max bandwidth750 Mbps4,750 Mbps
EBS baseline throughput93.75 MB/s143.75 MB/s
EBS max throughput93.75 MB/s593.75 MB/s
EBS baseline IOPS6,0006,000
EBS max IOPS6,00018,750
Instance details3 of 3 differdb.m4.xlargedb.m5.xlarge
Familym4m5
Category–General purpose
Normalization factor816
Other1 of 1 differdb.m4.xlargedb.m5.xlarge
Hardware Basism4.xlargem5.xlarge

On-demand prices by region

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

Regiondb.m4.xlargedb.m5.xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$0.365$0.356▼ 2%
US East (Ohio)us-east-2$0.365$0.356▼ 2%
US West (Oregon)us-west-2$0.365$0.356▼ 2%
Canada (Central)ca-central-1$0.402$0.392▼ 2%
EU (Ireland)eu-west-1$0.403$0.394▼ 2%
EU (Paris)eu-west-3$0.405$0.412▲ 2%
EU (London)eu-west-2$0.423$0.412▼ 3%
US West (N. California)us-west-1$0.426$0.406▼ 5%
EU (Frankfurt)eu-central-1$0.435$0.424▼ 3%
AWS GovCloud (US-West)us-gov-west-1$0.436$0.43▼ 1%
South America (Sao Paulo)sa-east-1$0.477$0.466▼ 2%
Asia Pacific (Seoul)ap-northeast-2$0.504$0.494▼ 2%
Asia Pacific (Sydney)ap-southeast-2$0.513$0.494▼ 4%
Asia Pacific (Mumbai)ap-south-1$0.514$0.506▼ 2%
Asia Pacific (Tokyo)ap-northeast-1$0.53$0.494▼ 7%
Asia Pacific (Osaka)ap-northeast-3$0.531$0.518▼ 2%
Asia Pacific (Singapore)ap-southeast-1$0.542$0.494▼ 9%

Keep exploring

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

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

Compare db.m4.xlarge with

db.t3.xlargedb.r4.xlargedb.t2.xlargedb.m3.xlarge
db.m5.xlargeGeneral purpose, m5 family
db.m5.xlarge prices and specsEvery size in the m5 family

Compare db.m5.xlarge with

db.m5d.xlargedb.r5.xlargedb.r5.xlarge.tpc2.mem2xdb.r5.xlarge.tpc2.mem4xdb.t3.xlargedb.t2.xlargedb.m6i.xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 0–36% 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.