db.m6i.xlargevsdb.r6i.xlarge.tpc2.mem4x

db.m6i.xlarge is 81% cheaper than db.r6i.xlarge.tpc2.mem4x on demand in US East (N. Virginia), saving $1,100.84 a month.

At a glancedb.m6i.xlargedb.r6i.xlarge.tpc2.mem4x
On-demand$0.356/hr81% less$1.864/hr
Lowest rate$0.228/hr83% less1-yr reserved, no upfront$1.342/hr1-yr reserved, no upfront
Size4 vCPUs, 16 GiB4 vCPUs, 128 GiB
ProcessorIntel Xeon Scalable Ice LakeIntel Xeon Scalable Ice Lake
Architecturex86_64x86_64

Prices in US East (N. Virginia)

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

Optiondb.m6i.xlargedb.r6i.xlarge.tpc2.mem4xdb.r6i.xlarge.tpc2.mem4x vs db.m6i.xlarge
On-demandPay by the hour$0.356$1.864▲ 424%
1-yr reservedNo upfront36% off$0.22828% off$1.342▲ 489%

Key differences

The biggest lead each one has.

Where db.m6i.xlarge leads
On-demand price$0.356 vs $1.864 per hour
81% cheaper
Where db.r6i.xlarge.tpc2.mem4x leads
Memory (GiB)128 vs 16
8× higher

Specs

18 of 24 specs differ. Those are in bold.

Compute5 of 8 differdb.m6i.xlargedb.r6i.xlarge.tpc2.mem4x
vCPUs44
Physical cores2–
Threads per core2–
Architecturex86_64x86_64
ProcessorIntel Xeon Scalable Ice LakeIntel Xeon Scalable Ice Lake
CPU makerIntel–
Sustained clock3.5 GHz–
BurstableNo–
Memory1 of 1 differdb.m6i.xlargedb.r6i.xlarge.tpc2.mem4x
Memory (GiB)16128
Networking2 of 3 differdb.m6i.xlargedb.r6i.xlarge.tpc2.mem4x
NetworkUp to 12.5 GbpsUp to 12.5 Gbps
Network baseline1.562 Gbps–
Network peak12.5 Gbps–
Storage6 of 7 differdb.m6i.xlargedb.r6i.xlarge.tpc2.mem4x
StorageEBS OnlyEBS Only
EBS baseline bandwidth1,250 Mbps–
EBS max bandwidth10,000 Mbps–
EBS baseline throughput156.25 MB/s–
EBS max throughput1,250 MB/s–
EBS baseline IOPS6,000–
EBS max IOPS40,000–
Instance details3 of 4 differdb.m6i.xlargedb.r6i.xlarge.tpc2.mem4x
Familym6ir6i
CategoryGeneral purposeMemory optimized
Current generationYesYes
Normalization factor–32
Other1 of 1 differdb.m6i.xlargedb.r6i.xlarge.tpc2.mem4x
Hardware Basism6i.xlarge–

On-demand prices by region

Cheapest for db.m6i.xlarge first. PostgreSQL, USD per hour.

Regiondb.m6i.xlargedb.r6i.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$1.96▲ 424%
Canada (Central)ca-central-1$0.392$2.016▲ 414%
Canada West (Calgary)ca-west-1$0.392$2.048▲ 422%
EU (Ireland)eu-west-1$0.394$2.062▲ 423%
Europe (Spain)eu-south-2$0.394$2.064▲ 424%
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$2.168▲ 424%
Israel (Tel Aviv)il-central-1$0.414$2.165▲ 423%
Middle East (UAE)me-central-1$0.416$2.272▲ 446%
Asia Pacific (Malaysia)ap-southeast-5$0.42$2.04▲ 386%
AWS GovCloud (US-East)us-gov-east-1$0.42$2.244▲ 434%
AWS GovCloud (US-West)us-gov-west-1$0.42$2.243▲ 434%
EU (Frankfurt)eu-central-1$0.424$2.256▲ 432%
Middle East (Bahrain)me-south-1$0.434$2.272▲ 424%
Europe (Zurich)eu-central-2$0.466$2.482▲ 433%
South America (Sao Paulo)sa-east-1$0.466$3.888▲ 734%
Africa (Cape Town)af-south-1$0.468$2.456▲ 425%
Asia Pacific (Jakarta)ap-southeast-3$0.494$2.216▲ 349%
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 (Hyderabad)ap-south-2$0.506$2.104▲ 316%
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$0.543$2.438▲ 349%

Keep exploring

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

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.t3.xlargedb.m6id.xlargedb.m6idn.xlargedb.m6in.xlargedb.t2.xlargedb.m5.xlargedb.m7i.xlarge
db.r6i.xlarge.tpc2.mem4xMemory optimized, r6i family
db.r6i.xlarge.tpc2.mem4x prices and specsEvery size in the r6i family

Compare db.r6i.xlarge.tpc2.mem4x with

db.r6g.xlargedb.r6id.xlargedb.r6idn.xlargedb.r6in.xlargedb.r5.xlargedb.r5.xlarge.tpc2.mem2xdb.r5.xlarge.tpc2.mem4xdb.r7i.xlargedb.r7i.xlarge.tpc2.mem2xdb.r7i.xlarge.tpc2.mem4x

Pay the committed rate, with commitment protection

The best committed rate on these two is 28–36% 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.