db.m5.xlargevsdb.m6i.xlarge

db.m5.xlarge and db.m6i.xlarge cost the same on demand in US East (N. Virginia), $0.356 per hour.

At a glancedb.m5.xlargedb.m6i.xlarge
On-demand$0.356/hr$0.356/hr
Lowest rate$0.228/hr1-yr reserved, no upfront$0.228/hr1-yr reserved, no upfront
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.m5.xlargedb.m6i.xlargedb.m6i.xlarge vs db.m5.xlarge
On-demandPay by the hour$0.356$0.356Same
1-yr reservedNo upfront36% off$0.22836% off$0.228Same

Key differences

The biggest lead each one has.

Where db.m5.xlarge leads

No clear lead on the measures we compare.

Where db.m6i.xlarge leads
EBS max IOPS40,000 vs 18,750
2.1× higher
Network peak12.5 Gbps vs 10 Gbps
25% higher
Sustained clock3.5 GHz vs 3.1 GHz
13% higher

Specs

15 of 24 specs differ. Those are in bold.

Compute3 of 8 differdb.m5.xlargedb.m6i.xlarge
vCPUs44
Physical cores22
Threads per core22
Architecture–x86_64
Processor–Intel Xeon Scalable Ice Lake
CPU makerIntelIntel
Sustained clock3.1 GHz3.5 GHz
BurstableNoNo
MemoryAll 1 matchdb.m5.xlargedb.m6i.xlarge
Memory (GiB)1616
Networking3 of 3 differdb.m5.xlargedb.m6i.xlarge
Network–Up to 12.5 Gbps
Network baseline1.25 Gbps1.562 Gbps
Network peak10 Gbps12.5 Gbps
Storage5 of 7 differdb.m5.xlargedb.m6i.xlarge
StorageEBS OnlyEBS Only
EBS baseline bandwidth1,150 Mbps1,250 Mbps
EBS max bandwidth4,750 Mbps10,000 Mbps
EBS baseline throughput143.75 MB/s156.25 MB/s
EBS max throughput593.75 MB/s1,250 MB/s
EBS baseline IOPS6,0006,000
EBS max IOPS18,75040,000
Instance details3 of 4 differdb.m5.xlargedb.m6i.xlarge
Familym5m6i
CategoryGeneral purposeGeneral purpose
Current generation–Yes
Normalization factor16–
Other1 of 1 differdb.m5.xlargedb.m6i.xlarge
Hardware Basism5.xlargem6i.xlarge

On-demand prices by region

Cheapest for db.m5.xlarge first. PostgreSQL, USD per hour.

Regiondb.m5.xlargedb.m6i.xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$0.356$0.356Same
US East (Ohio)us-east-2$0.356$0.356Same
US West (Oregon)us-west-2$0.356$0.356Same
EU (Stockholm)eu-north-1$0.374$0.374Same
Canada (Central)ca-central-1$0.392$0.392Same
EU (Ireland)eu-west-1$0.394$0.394Same
Europe (Spain)eu-south-2$0.394$0.394Same
US West (N. California)us-west-1$0.406$0.406Same
EU (London)eu-west-2$0.412$0.412Same
EU (Paris)eu-west-3$0.412$0.412Same
EU (Milan)eu-south-1$0.414$0.414Same
Israel (Tel Aviv)il-central-1$0.414$0.414Same
EU (Frankfurt)eu-central-1$0.424$0.424Same
AWS GovCloud (US-East)us-gov-east-1$0.43$0.42▼ 2%
AWS GovCloud (US-West)us-gov-west-1$0.43$0.42▼ 2%
Middle East (Bahrain)me-south-1$0.433$0.434Same
Middle East (UAE)me-central-1$0.434$0.416▼ 4%
Europe (Zurich)eu-central-2$0.466$0.466Same
South America (Sao Paulo)sa-east-1$0.466$0.466Same
Africa (Cape Town)af-south-1$0.469$0.468Same
Asia Pacific (Jakarta)ap-southeast-3$0.494$0.494Same
Asia Pacific (Seoul)ap-northeast-2$0.494$0.494Same
Asia Pacific (Singapore)ap-southeast-1$0.494$0.494Same
Asia Pacific (Sydney)ap-southeast-2$0.494$0.494Same
Asia Pacific (Tokyo)ap-northeast-1$0.494$0.494Same
Asia Pacific (Hyderabad)ap-south-2$0.506$0.506Same
Asia Pacific (Mumbai)ap-south-1$0.506$0.506Same
Asia Pacific (Osaka)ap-northeast-3$0.518$0.518Same
Asia Pacific (Hong Kong)ap-east-1$0.5434$0.543Same

Keep exploring

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

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.m4.xlarge
db.m6i.xlargeGeneral purpose, m6i family
db.m6i.xlarge prices and specsEvery size in the m6i family

Compare db.m6i.xlarge with

db.m6g.xlargedb.r6i.xlargedb.r6i.xlarge.tpc2.mem2xdb.r6i.xlarge.tpc2.mem4xdb.t3.xlargedb.m6id.xlargedb.m6idn.xlargedb.m6in.xlargedb.t2.xlargedb.m7i.xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 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.