db.r7g.4xlargevsdb.r7i.4xlarge

db.r7g.4xlarge is 21% cheaper than db.r7i.4xlarge on demand in US East (N. Virginia), saving $418.29 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.4xlargedb.r7i.4xlarge
On-demand$2.211/hr21% less$2.784/hr
Lowest rate$1.769/hr21% less1-yr savings plan, hourly commitment$2.227/hr1-yr savings plan, hourly commitment
Size16 vCPUs, 128 GiB16 vCPUs, 128 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.4xlargedb.r7i.4xlargedb.r7i.4xlarge vs db.r7g.4xlarge
On-demandPay by the hour$2.211$2.784▲ 26%
1-yr savings planHourly commitment20% off$1.76920% off$2.227▲ 26%

Key differences

The biggest lead each one has.

Where db.r7g.4xlarge leads
On-demand price$2.211 vs $2.784 per hour
21% cheaper
Physical cores16 vs 8
2× higher
Network baseline7.5 Gbps vs 6.25 Gbps
20% higher
Where db.r7i.4xlarge 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.4xlargedb.r7i.4xlarge
vCPUs1616
Physical cores168
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.4xlargedb.r7i.4xlarge
Memory (GiB)128128
Networking3 of 3 differdb.r7g.4xlargedb.r7i.4xlarge
Networkup to 15Upto 12.5 Gigabit
Network baseline7.5 Gbps6.25 Gbps
Network peak15 Gbps12.5 Gbps
StorageAll 1 matchdb.r7g.4xlargedb.r7i.4xlarge
StorageEBS OnlyEBS Only
Instance details1 of 4 differdb.r7g.4xlargedb.r7i.4xlarge
Familyr7gr7i
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor3232
Other1 of 1 differdb.r7g.4xlargedb.r7i.4xlarge
Hardware Basisr7g.4xlarger7i.4xlarge

On-demand prices by region

Cheapest for db.r7g.4xlarge first. Standard storage, USD per hour.

Regiondb.r7g.4xlargedb.r7i.4xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$2.211$2.784▲ 26%
US East (Ohio)us-east-2$2.211$2.784▲ 26%
US West (Oregon)us-west-2$2.211$3.072▲ 39%
Europe (Spain)eu-south-2$2.432$3.062▲ 26%
Canada (Central)ca-central-1$2.44$3.072▲ 26%
Canada West (Calgary)ca-west-1$2.44$3.072▲ 26%
EU (Ireland)eu-west-1$2.44$3.072▲ 26%
US West (N. California)us-west-1$2.44$3.072▲ 26%
Asia Pacific (Mumbai)ap-south-1$2.541$3.17▲ 25%
EU (London)eu-west-2$2.592$3.264▲ 26%
Asia Pacific (Melbourne)ap-southeast-4$2.668$3.36▲ 26%
Asia Pacific (Seoul)ap-northeast-2$2.668$3.36▲ 26%
Asia Pacific (Singapore)ap-southeast-1$2.668$3.36▲ 26%
Asia Pacific (Sydney)ap-southeast-2$2.668$3.36▲ 26%
Asia Pacific (Tokyo)ap-northeast-1$2.668$3.36▲ 26%
EU (Frankfurt)eu-central-1$2.668$3.36▲ 26%
EU (Stockholm)eu-north-1$2.668$3.36▲ 26%

Keep exploring

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

db.r7g.4xlargeMemory optimized, r7g family
db.r7g.4xlarge prices and specsEvery size in the r7g family

Compare db.r7g.4xlarge with

db.r6g.4xlargedb.r8g.4xlarge
db.r7i.4xlargeMemory optimized, r7i family
db.r7i.4xlarge prices and specsEvery size in the r7i family

Compare db.r7i.4xlarge with

db.r6i.4xlarge

Pay the committed rate, with commitment protection

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

Connect AWS account

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