db.r7g.16xlargevsdb.r7i.16xlarge

db.r7g.16xlarge is 21% cheaper than db.r7i.16xlarge on demand in US East (N. Virginia), saving $1,673.16 a month. They use different processor architectures (arm64 and x86_64), so software built for one may need rebuilding to run on the other.

At a glancedb.r7g.16xlargedb.r7i.16xlarge
On-demand$8.844/hr21% less$11.136/hr
Lowest rate$7.075/hr21% less1-yr savings plan, hourly commitment$8.909/hr1-yr savings plan, hourly commitment
Size64 vCPUs, 512 GiB64 vCPUs, 512 GiB
ProcessorAWS Graviton3Intel Xeon E5-2686 v4 (Broadwell)
Architecturearm64x86_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.r7g.16xlargedb.r7i.16xlargedb.r7i.16xlarge vs db.r7g.16xlarge
On-demandPay by the hour$8.844$11.136▲ 26%
1-yr savings planHourly commitment20% off$7.07520% off$8.909▲ 26%

Key differences

The biggest lead each one has.

Where db.r7g.16xlarge leads
On-demand price$8.844 vs $11.136 per hour
21% cheaper
Physical cores64 vs 32
2× higher
Network baseline30 Gbps vs 25 Gbps
20% higher
Where db.r7i.16xlarge leads
Sustained clock3.2 GHz vs 2.6 GHz
23% higher

Specs

11 of 18 specs differ. Those are in bold.

Compute6 of 8 differdb.r7g.16xlargedb.r7i.16xlarge
vCPUs6464
Physical cores6432
Threads per core12
Architecturearm64x86_64
ProcessorAWS Graviton3Intel Xeon E5-2686 v4 (Broadwell)
CPU makerAWSIntel
Sustained clock2.6 GHz3.2 GHz
BurstableNoNo
MemoryAll 1 matchdb.r7g.16xlargedb.r7i.16xlarge
Memory (GiB)512512
Networking2 of 3 differdb.r7g.16xlargedb.r7i.16xlarge
Network25 Gigabit25 Gigabit
Network baseline30 Gbps25 Gbps
Network peak30 Gbps25 Gbps
StorageAll 1 matchdb.r7g.16xlargedb.r7i.16xlarge
StorageEBS OnlyEBS Only
Instance details2 of 4 differdb.r7g.16xlargedb.r7i.16xlarge
Familyr7gr7i
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor166.4128
Other1 of 1 differdb.r7g.16xlargedb.r7i.16xlarge
Hardware Basisr7g.16xlarger7i.16xlarge

On-demand prices by region

Cheapest for db.r7g.16xlarge first. Standard storage, USD per hour.

Regiondb.r7g.16xlargedb.r7i.16xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$8.844$11.136▲ 26%
US East (Ohio)us-east-2$8.844$11.136▲ 26%
US West (Oregon)us-west-2$8.844$12.288▲ 39%
Europe (Spain)eu-south-2$9.726$12.25▲ 26%
Canada (Central)ca-central-1$9.759$12.288▲ 26%
Canada West (Calgary)ca-west-1$9.759$12.288▲ 26%
EU (Ireland)eu-west-1$9.759$12.288▲ 26%
US West (N. California)us-west-1$9.759$12.288▲ 26%
Asia Pacific (Mumbai)ap-south-1$10.165$12.672▲ 25%
EU (London)eu-west-2$10.37$13.056▲ 26%
Asia Pacific (Melbourne)ap-southeast-4$10.674$13.44▲ 26%
Asia Pacific (Seoul)ap-northeast-2$10.674$13.44▲ 26%
Asia Pacific (Singapore)ap-southeast-1$10.674$13.44▲ 26%
Asia Pacific (Sydney)ap-southeast-2$10.674$13.44▲ 26%
Asia Pacific (Tokyo)ap-northeast-1$10.674$13.44▲ 26%
EU (Frankfurt)eu-central-1$10.674$13.44▲ 26%
EU (Stockholm)eu-north-1$10.674$11.52▲ 8%

Keep exploring

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

db.r7g.16xlargeMemory optimized, r7g family
db.r7g.16xlarge prices and specsEvery size in the r7g family

Compare db.r7g.16xlarge with

db.r7i.16xlargeMemory optimized, r7i family
db.r7i.16xlarge prices and specsEvery size in the r7i family

Compare db.r7i.16xlarge with

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The best committed rate on these two is 20% below on-demand. Connect your cloud accounts to unlock greater savings with commitment protection.

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