db.r5.4xlargevsdb.r6i.4xlarge

db.r5.4xlarge and db.r6i.4xlarge cost the same on demand in US East (N. Virginia), $2.784 per hour.

At a glancedb.r5.4xlargedb.r6i.4xlarge
On-demand$2.784/hr$2.784/hr
Size16 vCPUs, 192 GiB16 vCPUs, 128 GiB
ProcessorIntel Xeon Platinum 8175Intel Xeon Family
Architecturex86_64x86_64

Prices in US East (N. Virginia)

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

Optiondb.r5.4xlargedb.r6i.4xlargedb.r6i.4xlarge vs db.r5.4xlarge
On-demandPay by the hour$2.784$2.784Same

Key differences

The biggest lead each one has.

Where db.r5.4xlarge leads
Memory (GiB)192 vs 128
50% higher
Where db.r6i.4xlarge leads
Network baseline6.25 Gbps vs 5 Gbps
25% higher
Sustained clock3.5 GHz vs 3.1 GHz
13% higher

Specs

9 of 18 specs differ. Those are in bold.

Compute2 of 8 differdb.r5.4xlargedb.r6i.4xlarge
vCPUs1616
Physical cores88
Threads per core22
Architecturex86_64x86_64
ProcessorIntel Xeon Platinum 8175Intel Xeon Family
CPU makerIntelIntel
Sustained clock3.1 GHz3.5 GHz
BurstableNoNo
Memory1 of 1 differdb.r5.4xlargedb.r6i.4xlarge
Memory (GiB)192128
Networking3 of 3 differdb.r5.4xlargedb.r6i.4xlarge
NetworkUp to 10 GigabitUpto 12.5 Gigabit
Network baseline5 Gbps6.25 Gbps
Network peak10 Gbps12.5 Gbps
StorageAll 1 matchdb.r5.4xlargedb.r6i.4xlarge
StorageEBS OnlyEBS Only
Instance details2 of 4 differdb.r5.4xlargedb.r6i.4xlarge
Familyr5r6i
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor41.632
Other1 of 1 differdb.r5.4xlargedb.r6i.4xlarge
Hardware Basisr5.4xlarger6i.4xlarge

On-demand prices by region

Cheapest for db.r5.4xlarge first. Standard storage, USD per hour.

Regiondb.r5.4xlargedb.r6i.4xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$2.784$2.784Same
US East (Ohio)us-east-2$2.784$2.784Same
US West (Oregon)us-west-2$2.784$2.784Same
Asia Pacific (Hyderabad)ap-south-2$3.062$3.062Same
Europe (Spain)eu-south-2$3.062$3.062Same
Canada (Central)ca-central-1$3.072$3.072Same
Canada West (Calgary)ca-west-1$3.072$3.072Same
EU (Ireland)eu-west-1$3.072$3.072Same
US West (N. California)us-west-1$3.072$3.072Same
Asia Pacific (Mumbai)ap-south-1$3.17$3.17Same
EU (Paris)eu-west-3$3.216$3.216Same
EU (London)eu-west-2$3.264$3.264Same
Asia Pacific (Melbourne)ap-southeast-4$3.36$3.36Same
Asia Pacific (Osaka)ap-northeast-3$3.36$3.36Same
Asia Pacific (Seoul)ap-northeast-2$3.36$3.36Same
Asia Pacific (Singapore)ap-southeast-1$3.36$3.36Same
Asia Pacific (Sydney)ap-southeast-2$3.36$3.36Same
Asia Pacific (Tokyo)ap-northeast-1$3.36$3.36Same
AWS GovCloud (US-East)us-gov-east-1$3.36$3.36Same
AWS GovCloud (US-West)us-gov-west-1$3.36$3.36Same
EU (Frankfurt)eu-central-1$3.36$3.36Same
EU (Stockholm)eu-north-1$3.36$3.36Same
Asia Pacific (Jakarta)ap-southeast-3$3.369$3.369Same
Middle East (Bahrain)me-south-1$3.379$3.379Same
Europe (Zurich)eu-central-2$3.647$3.647Same
Africa (Cape Town)af-south-1$3.655$3.655Same
Asia Pacific (Hong Kong)ap-east-1$3.696$3.696Same
South America (Sao Paulo)sa-east-1$5.76$5.76Same

Keep exploring

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

db.r5.4xlargeMemory optimized, r5 family
db.r5.4xlarge prices and specsEvery size in the r5 family

Compare db.r5.4xlarge with

db.r5d.4xlargedb.r4.4xlarge
db.r6i.4xlargeMemory optimized, r6i family
db.r6i.4xlarge prices and specsEvery size in the r6i family

Compare db.r6i.4xlarge with

db.r6g.4xlargedb.r7i.4xlarge

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Amazon Neptune Standard storage prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.