db.r6g.8xlargevsdb.r6gd.8xlarge

db.r6g.8xlarge is 13% cheaper than db.r6gd.8xlarge on demand in US East (N. Virginia), saving $377.41 a month.

At a glancedb.r6g.8xlargedb.r6gd.8xlarge
On-demand$3.597/hr13% less$4.114/hr
Lowest rate$2.078/hr34% less1-yr reserved, no upfront$3.168/hr1-yr reserved, no upfront
Size32 vCPUs, 256 GiB32 vCPUs, 256 GiB
ProcessorAWS Graviton2AWS Graviton2
Architecturearm64arm64

Prices in US East (N. Virginia)

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

Optiondb.r6g.8xlargedb.r6gd.8xlargedb.r6gd.8xlarge vs db.r6g.8xlarge
On-demandPay by the hour$3.597$4.114▲ 14%
1-yr reservedNo upfront42% off$2.07823% off$3.168▲ 52%

Key differences

The biggest lead each one has.

Where db.r6g.8xlarge leads
On-demand price$3.597 vs $4.114 per hour
13% cheaper
Where db.r6gd.8xlarge leads

No clear lead on the measures we compare.

Specs

4 of 25 specs differ. Those are in bold.

ComputeAll 8 matchdb.r6g.8xlargedb.r6gd.8xlarge
vCPUs3232
Physical cores3232
Threads per core11
Architecturearm64arm64
ProcessorAWS Graviton2AWS Graviton2
CPU makerAWSAWS
Sustained clock2.5 GHz2.5 GHz
BurstableNoNo
MemoryAll 1 matchdb.r6g.8xlargedb.r6gd.8xlarge
Memory (GiB)256256
NetworkingAll 3 matchdb.r6g.8xlargedb.r6gd.8xlarge
Network10 Gigabit10 Gigabit
Network baseline12 Gbps12 Gbps
Network peak12 Gbps12 Gbps
Storage2 of 8 differdb.r6g.8xlargedb.r6gd.8xlarge
StorageEBS Only1 x 1900 NVMe SSD
Local disks–1 × 1,900 GB SSD
EBS baseline bandwidth9,500 Mbps9,500 Mbps
EBS max bandwidth9,500 Mbps9,500 Mbps
EBS baseline throughput1,187.5 MB/s1,187.5 MB/s
EBS max throughput1,187.5 MB/s1,187.5 MB/s
EBS baseline IOPS40,00040,000
EBS max IOPS40,00040,000
Instance details1 of 4 differdb.r6g.8xlargedb.r6gd.8xlarge
Familyr6gr6gd
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor128128
Other1 of 1 differdb.r6g.8xlargedb.r6gd.8xlarge
Hardware Basisr6g.8xlarger6gd.8xlarge

On-demand prices by region

Cheapest for db.r6g.8xlarge first. PostgreSQL, USD per hour.

Regiondb.r6g.8xlargedb.r6gd.8xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$3.597$4.114▲ 14%
US East (Ohio)us-east-2$3.597$4.114▲ 14%
US West (Oregon)us-west-2$3.597$4.114▲ 14%
Asia Pacific (Malaysia)ap-southeast-5$3.68$4.208▲ 14%
Asia Pacific (Thailand)ap-southeast-7$3.68$4.208▲ 14%
EU (Stockholm)eu-north-1$3.698$5.146▲ 39%
Mexico (Central)mx-central-1$3.776$4.32▲ 14%
Asia Pacific (Taipei)ap-east-2$3.888$4.448▲ 14%
Canada (Central)ca-central-1$3.889$4.451▲ 14%
EU (Ireland)eu-west-1$4.028$4.575▲ 14%
US West (N. California)us-west-1$4.028$4.68▲ 16%
Europe (Spain)eu-south-2$4.032$4.576▲ 13%
Asia Pacific (Mumbai)ap-south-1$4.10$4.707▲ 15%
EU (Paris)eu-west-3$4.224$4.84▲ 15%
EU (London)eu-west-2$4.23$5.837▲ 38%
Israel (Tel Aviv)il-central-1$4.234$4.805▲ 13%
Asia Pacific (Osaka)ap-northeast-3$4.314$4.946▲ 15%
Asia Pacific (Jakarta)ap-southeast-3$4.316$4.938▲ 14%
Asia Pacific (Seoul)ap-northeast-2$4.316$6.01▲ 39%
Asia Pacific (Singapore)ap-southeast-1$4.316$4.938▲ 14%
Asia Pacific (Sydney)ap-southeast-2$4.316$4.971▲ 15%
Asia Pacific (Tokyo)ap-northeast-1$4.316$4.938▲ 14%
AWS GovCloud (US-East)us-gov-east-1$4.317$4.944▲ 15%
AWS GovCloud (US-West)us-gov-west-1$4.317$4.944▲ 15%
EU (Frankfurt)eu-central-1$4.388$4.975▲ 13%
Asia Pacific (New Zealand)ap-southeast-6$4.536$8.202▲ 81%
Europe (Zurich)eu-central-2$4.822$5.464▲ 13%
South America (Sao Paulo)sa-east-1$7.483$10.31▲ 38%

Keep exploring

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

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

Compare db.r6g.8xlarge with

db.m6g.8xlargedb.r6i.8xlargedb.r6i.8xlarge.tpc2.mem3xdb.r6i.8xlarge.tpc2.mem4xdb.r7g.8xlarge
db.r6gd.8xlargeMemory optimized, r6gd family
db.r6gd.8xlarge prices and specsEvery size in the r6gd family

Compare db.r6gd.8xlarge with

db.m6gd.8xlargedb.r6id.8xlargedb.c6gd.8xlargedb.r8gd.8xlarge

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AWS RDS PostgreSQL prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.