db.r7g.8xlargevsdb.r7i.8xlarge

db.r7g.8xlarge is 21% cheaper than db.r7i.8xlarge on demand in US East (N. Virginia), saving $836.58 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.8xlargedb.r7i.8xlarge
On-demand$4.422/hr21% less$5.568/hr
Lowest rate$3.538/hr21% less1-yr savings plan, hourly commitment$4.454/hr1-yr savings plan, hourly commitment
Size32 vCPUs, 256 GiB32 vCPUs, 256 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.8xlargedb.r7i.8xlargedb.r7i.8xlarge vs db.r7g.8xlarge
On-demandPay by the hour$4.422$5.568▲ 26%
1-yr savings planHourly commitment20% off$3.53820% off$4.454▲ 26%

Key differences

The biggest lead each one has.

Where db.r7g.8xlarge leads
On-demand price$4.422 vs $5.568 per hour
21% cheaper
Physical cores32 vs 16
2× higher
Network baseline15 Gbps vs 12.5 Gbps
20% higher
Where db.r7i.8xlarge 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.8xlargedb.r7i.8xlarge
vCPUs3232
Physical cores3216
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.8xlargedb.r7i.8xlarge
Memory (GiB)256256
Networking2 of 3 differdb.r7g.8xlargedb.r7i.8xlarge
Network12.5 Gigabit12.5 Gigabit
Network baseline15 Gbps12.5 Gbps
Network peak15 Gbps12.5 Gbps
StorageAll 1 matchdb.r7g.8xlargedb.r7i.8xlarge
StorageEBS OnlyEBS Only
Instance details2 of 4 differdb.r7g.8xlargedb.r7i.8xlarge
Familyr7gr7i
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor83.264
Other1 of 1 differdb.r7g.8xlargedb.r7i.8xlarge
Hardware Basisr7g.8xlarger7i.8xlarge

On-demand prices by region

Cheapest for db.r7g.8xlarge first. Standard storage, USD per hour.

Regiondb.r7g.8xlargedb.r7i.8xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$4.422$5.568▲ 26%
US East (Ohio)us-east-2$4.422$5.568▲ 26%
US West (Oregon)us-west-2$4.422$6.144▲ 39%
Europe (Spain)eu-south-2$4.863$6.125▲ 26%
Canada (Central)ca-central-1$4.879$6.144▲ 26%
Canada West (Calgary)ca-west-1$4.879$6.144▲ 26%
EU (Ireland)eu-west-1$4.879$6.144▲ 26%
US West (N. California)us-west-1$4.879$6.144▲ 26%
Asia Pacific (Mumbai)ap-south-1$5.082$6.336▲ 25%
EU (London)eu-west-2$5.185$6.528▲ 26%
Asia Pacific (Melbourne)ap-southeast-4$5.337$6.72▲ 26%
Asia Pacific (Seoul)ap-northeast-2$5.337$6.72▲ 26%
Asia Pacific (Singapore)ap-southeast-1$5.337$6.72▲ 26%
Asia Pacific (Sydney)ap-southeast-2$5.337$6.72▲ 26%
Asia Pacific (Tokyo)ap-northeast-1$5.337$6.72▲ 26%
EU (Frankfurt)eu-central-1$5.337$6.72▲ 26%
EU (Stockholm)eu-north-1$5.337$5.76▲ 8%

Keep exploring

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

db.r7g.8xlargeMemory optimized, r7g family
db.r7g.8xlarge prices and specsEvery size in the r7g family

Compare db.r7g.8xlarge with

db.r6g.8xlargedb.r8g.8xlarge
db.r7i.8xlargeMemory optimized, r7i family
db.r7i.8xlarge prices and specsEvery size in the r7i family

Compare db.r7i.8xlarge with

db.r6i.8xlarge

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.