db.r7g.4xlargevsdb.r8g.4xlarge

db.r8g.4xlarge is 0% cheaper than db.r7g.4xlarge on demand in US East (N. Virginia), saving $2.19 a month.

At a glancedb.r7g.4xlargedb.r8g.4xlarge
On-demand$2.211/hr$2.208/hr0% less
Lowest rate$1.769/hr1-yr savings plan, hourly commitment$1.766/hr0% less1-yr savings plan, hourly commitment
Size16 vCPUs, 128 GiB16 vCPUs, 128 GiB
ProcessorAWS Graviton3AWS Graviton4
Architecturearm64arm64

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.r8g.4xlargedb.r8g.4xlarge vs db.r7g.4xlarge
On-demandPay by the hour$2.211$2.208Same
1-yr savings planHourly commitment20% off$1.76920% off$1.766Same

Key differences

The biggest lead each one has.

Where db.r7g.4xlarge leads

No clear lead on the measures we compare.

Where db.r8g.4xlarge leads
On-demand price$2.208 vs $2.211 per hour
0% cheaper
Sustained clock2.8 GHz vs 2.6 GHz
8% higher

Specs

4 of 18 specs differ. Those are in bold.

Compute2 of 8 differdb.r7g.4xlargedb.r8g.4xlarge
vCPUs1616
Physical cores1616
Threads per core11
Architecturearm64arm64
ProcessorAWS Graviton3AWS Graviton4
CPU makerAWSAWS
Sustained clock2.6 GHz2.8 GHz
BurstableNoNo
MemoryAll 1 matchdb.r7g.4xlargedb.r8g.4xlarge
Memory (GiB)128128
NetworkingAll 3 matchdb.r7g.4xlargedb.r8g.4xlarge
Networkup to 15up to 15
Network baseline7.5 Gbps7.5 Gbps
Network peak15 Gbps15 Gbps
StorageAll 1 matchdb.r7g.4xlargedb.r8g.4xlarge
StorageEBS OnlyEBS Only
Instance details1 of 4 differdb.r7g.4xlargedb.r8g.4xlarge
Familyr7gr8g
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor3232
Other1 of 1 differdb.r7g.4xlargedb.r8g.4xlarge
Hardware Basisr7g.4xlarger8g.4xlarge

On-demand prices by region

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

Regiondb.r7g.4xlargedb.r8g.4xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$2.211$2.208Same
US East (Ohio)us-east-2$2.211$2.208Same
US West (Oregon)us-west-2$2.211$2.208Same
Europe (Spain)eu-south-2$2.432$2.428Same
Canada (Central)ca-central-1$2.44$2.429Same
EU (Ireland)eu-west-1$2.44$2.436Same
US West (N. California)us-west-1$2.44$2.429Same
Asia Pacific (Mumbai)ap-south-1$2.541$2.538Same
EU (London)eu-west-2$2.592$2.589Same
Asia Pacific (Melbourne)ap-southeast-4$2.668$2.665Same
Asia Pacific (Seoul)ap-northeast-2$2.668$2.665Same
Asia Pacific (Singapore)ap-southeast-1$2.668$2.672Same
Asia Pacific (Sydney)ap-southeast-2$2.668$2.665Same
Asia Pacific (Tokyo)ap-northeast-1$2.668$2.665Same
EU (Frankfurt)eu-central-1$2.668$2.665Same
EU (Stockholm)eu-north-1$2.668$2.665Same
Asia Pacific (Osaka)ap-northeast-3$2.675$2.672Same
Asia Pacific (Hong Kong)ap-east-1$2.935$2.937Same

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

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.