db.m5.xlargevsdb.r5.xlarge.tpc2.mem4x

db.m5.xlarge is 81% cheaper than db.r5.xlarge.tpc2.mem4x on demand in US East (N. Virginia), saving $1,100.84 a month.

At a glancedb.m5.xlargedb.r5.xlarge.tpc2.mem4x
On-demand$0.356/hr81% less$1.864/hr
Lowest rate$0.228/hr79% less1-yr reserved, no upfront$1.078/hr1-yr reserved, no upfront
Size4 vCPUs, 16 GiB4 vCPUs, 128 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.r5.xlarge.tpc2.mem4xdb.r5.xlarge.tpc2.mem4x vs db.m5.xlarge
On-demandPay by the hour$0.356$1.864▲ 424%
1-yr reservedNo upfront36% off$0.22842% off$1.078▲ 373%

Key differences

The biggest lead each one has.

Where db.m5.xlarge leads
On-demand price$0.356 vs $1.864 per hour
81% cheaper
Where db.r5.xlarge.tpc2.mem4x leads
Memory (GiB)128 vs 16
8× higher

Specs

23 of 25 specs differ. Those are in bold.

Compute8 of 9 differdb.m5.xlargedb.r5.xlarge.tpc2.mem4x
vCPUs44
Physical cores2–
Threads per core2–
Architecture–x86_64
Processor–Intel Xeon Platinum 8175
CPU makerIntel–
Clock speed–Up to 3.1 GHz
Sustained clock3.1 GHz–
BurstableNo–
Memory1 of 1 differdb.m5.xlargedb.r5.xlarge.tpc2.mem4x
Memory (GiB)16128
Networking3 of 3 differdb.m5.xlargedb.r5.xlarge.tpc2.mem4x
Network–Up to 10 Gigabit
Network baseline1.25 Gbps–
Network peak10 Gbps–
Storage6 of 7 differdb.m5.xlargedb.r5.xlarge.tpc2.mem4x
StorageEBS OnlyEBS Only
EBS baseline bandwidth1,150 Mbps–
EBS max bandwidth4,750 Mbps–
EBS baseline throughput143.75 MB/s–
EBS max throughput593.75 MB/s–
EBS baseline IOPS6,000–
EBS max IOPS18,750–
Instance details4 of 4 differdb.m5.xlargedb.r5.xlarge.tpc2.mem4x
Familym5r5
CategoryGeneral purposeMemory optimized
Current generation–Yes
Normalization factor1664
Other1 of 1 differdb.m5.xlargedb.r5.xlarge.tpc2.mem4x
Hardware Basism5.xlarge–

On-demand prices by region

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

Regiondb.m5.xlargedb.r5.xlarge.tpc2.mem4xDifference
US East (N. Virginia)Used in summaryus-east-1$0.356$1.864▲ 424%
US East (Ohio)us-east-2$0.356$1.864▲ 424%
US West (Oregon)us-west-2$0.356$1.864▲ 424%
EU (Stockholm)eu-north-1$0.374$1.959▲ 424%
Canada (Central)ca-central-1$0.392$2.048▲ 422%
EU (Ireland)eu-west-1$0.394$2.062▲ 423%
Europe (Spain)eu-south-2$0.394$2.062▲ 423%
US West (N. California)us-west-1$0.406$2.054▲ 406%
EU (London)eu-west-2$0.412$2.176▲ 428%
EU (Paris)eu-west-3$0.412$2.166▲ 426%
EU (Milan)eu-south-1$0.414$2.165▲ 423%
EU (Frankfurt)eu-central-1$0.424$2.256▲ 432%
AWS GovCloud (US-East)us-gov-east-1$0.43$2.244▲ 422%
AWS GovCloud (US-West)us-gov-west-1$0.43$2.243▲ 422%
Middle East (Bahrain)me-south-1$0.433$2.268▲ 424%
South America (Sao Paulo)sa-east-1$0.466$3.888▲ 734%
Africa (Cape Town)af-south-1$0.469$2.454▲ 423%
Asia Pacific (Jakarta)ap-southeast-3$0.494$2.216▲ 349%
Asia Pacific (Melbourne)ap-southeast-4$0.494$2.211▲ 348%
Asia Pacific (Seoul)ap-northeast-2$0.494$2.216▲ 349%
Asia Pacific (Singapore)ap-southeast-1$0.494$2.216▲ 349%
Asia Pacific (Sydney)ap-southeast-2$0.494$2.211▲ 348%
Asia Pacific (Tokyo)ap-northeast-1$0.494$2.216▲ 349%
Asia Pacific (Mumbai)ap-south-1$0.506$2.104▲ 316%
Asia Pacific (Osaka)ap-northeast-3$0.518$2.216▲ 328%
Asia Pacific (Hong Kong)ap-east-1$0.5434$2.438▲ 349%

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.t3.xlargedb.t2.xlargedb.m4.xlargedb.m6i.xlarge
db.r5.xlarge.tpc2.mem4xMemory optimized, r5 family
db.r5.xlarge.tpc2.mem4x prices and specsEvery size in the r5 family

Compare db.r5.xlarge.tpc2.mem4x with

db.r5d.xlargedb.r5b.xlargedb.r5b.xlarge.tpc2.mem2xdb.r5b.xlarge.tpc2.mem4xdb.r4.xlargedb.r6i.xlargedb.r6i.xlarge.tpc2.mem2xdb.r6i.xlarge.tpc2.mem4x

Pay the committed rate, with commitment protection

The best committed rate on these two is 36–42% 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.