Amazon RDS for PostgreSQL vs OCI Database with PostgreSQL

Amazon RDS for PostgreSQL has no complete price above 251.2K users.
OCI Database with PostgreSQL has no complete price above 251.2K users.
OCI Database with PostgreSQL becomes cheaper than Amazon RDS for PostgreSQL above 18.2K users.

Cost from 1k to 1M users

Region

OCI Database with PostgreSQL becomes cheaper than Amazon RDS for PostgreSQL above 18.2K users

At three scales

The cheapest qualifying plan of each, for the same workload. Every line links to its source.

1K users

Amazon RDS for PostgreSQL costs $131 less a month; OCI Database with PostgreSQL costs 12.0× as much.

Amazon RDS for PostgreSQL

$11.90

On-Demand · db.t4g.micro

On-Demand plan
AWS Price List API · 6W8ECRFVDATCER7J
This price comes from the official AWS Price List API, SKU 6W8ECRFVDATCER7J.
How it became this figure: no base fee; billed per resource
$0.00
Instance: db.t4g.micro
AWS Price List API · 9HPEGXQTDDGH53C9
This price comes from the official AWS Price List API, SKU 9HPEGXQTDDGH53C9.
How it became this figure: $0.016/h × 730
$11.68
Egress1.91
AWS Price List API · HQEH3ZWJVT46JHRG
This price comes from the official AWS Price List API, SKU HQEH3ZWJVT46JHRG.
How it became this figure: first 100 GB/month free across the account (SKU PB257JUQ8U6E6UPM), then $0.09/GB to 10340 GB, $0.085/GB to 51300 GB, $0.07/GB to 153700 GB, $0.05/GB beyond
$0.00
Storage1.95
AWS Price List API · KYVYY29G957PKY3B
This price comes from the official AWS Price List API, SKU KYVYY29G957PKY3B.
How it became this figure: $0.115 per GB-month of gp3 storage, Single-AZ
$0.22

OCI Database with PostgreSQL

$143

Database with PostgreSQL · 2 OCPU (4 vCPU, 32 GB)

Database with PostgreSQL plan
Oracle Cloud price list API · B99060
This price comes from the official Oracle Cloud price list API, SKU B99060.
How it became this figure: no base fee
$0.00
Compute: 2 OCPU (4 vCPU, 32 GB)
Oracle Cloud price list API · B99060
This price comes from the official Oracle Cloud price list API, SKU B99060.
How it became this figure: $0.098/OCPU-h × 2 OCPU × 730; 1 OCPU = 2 vCPU
$143.08
Storage1.95
Oracle Cloud price list API · B99062
This price comes from the official Oracle Cloud price list API, SKU B99062.
How it became this figure: $0.072/GB-month Database Optimized Storage
$0.14
Backup storage1.95
Oracle Cloud price list API · B91628
This price comes from the official Oracle Cloud price list API, SKU B91628.
How it became this figure: backups bill at Object Storage rates; first 10 GB/month free
$0.00
Egress1.91
Oracle Cloud price list API · B88327
This price comes from the official Oracle Cloud price list API, SKU B88327.
How it became this figure: first 10240 GB/month free, then $0.0085/GB
$0.00

10K users

Amazon RDS for PostgreSQL costs $48.31 less a month; OCI Database with PostgreSQL costs 1.5× as much.

Amazon RDS for PostgreSQL

$96.42

On-Demand · db.t4g.large

On-Demand plan
AWS Price List API · 6W8ECRFVDATCER7J
This price comes from the official AWS Price List API, SKU 6W8ECRFVDATCER7J.
How it became this figure: no base fee; billed per resource
$0.00
Instance: db.t4g.large
AWS Price List API · 4PGJSRCJ7V3KWVEN
This price comes from the official AWS Price List API, SKU 4PGJSRCJ7V3KWVEN.
How it became this figure: $0.129/h × 730
$94.17
Egress19
AWS Price List API · HQEH3ZWJVT46JHRG
This price comes from the official AWS Price List API, SKU HQEH3ZWJVT46JHRG.
How it became this figure: first 100 GB/month free across the account (SKU PB257JUQ8U6E6UPM), then $0.09/GB to 10340 GB, $0.085/GB to 51300 GB, $0.07/GB to 153700 GB, $0.05/GB beyond
$0.00
Storage20
AWS Price List API · KYVYY29G957PKY3B
This price comes from the official AWS Price List API, SKU KYVYY29G957PKY3B.
How it became this figure: $0.115 per GB-month of gp3 storage, Single-AZ
$2.25

OCI Database with PostgreSQL

$145

Database with PostgreSQL · 2 OCPU (4 vCPU, 32 GB)

Database with PostgreSQL plan
Oracle Cloud price list API · B99060
This price comes from the official Oracle Cloud price list API, SKU B99060.
How it became this figure: no base fee
$0.00
Compute: 2 OCPU (4 vCPU, 32 GB)
Oracle Cloud price list API · B99060
This price comes from the official Oracle Cloud price list API, SKU B99060.
How it became this figure: $0.098/OCPU-h × 2 OCPU × 730; 1 OCPU = 2 vCPU
$143.08
Storage20
Oracle Cloud price list API · B99062
This price comes from the official Oracle Cloud price list API, SKU B99062.
How it became this figure: $0.072/GB-month Database Optimized Storage
$1.41
Backup storage20
Oracle Cloud price list API · B91628
This price comes from the official Oracle Cloud price list API, SKU B91628.
How it became this figure: backups bill at Object Storage rates; first 10 GB/month free
$0.24
Egress19
Oracle Cloud price list API · B88327
This price comes from the official Oracle Cloud price list API, SKU B88327.
How it became this figure: first 10240 GB/month free, then $0.0085/GB
$0.00

100K users

OCI Database with PostgreSQL costs $424 less a month; Amazon RDS for PostgreSQL costs 2.4× as much.

Amazon RDS for PostgreSQL

$729

On-Demand · db.r7g.2xlarge

On-Demand plan
AWS Price List API · 6W8ECRFVDATCER7J
This price comes from the official AWS Price List API, SKU 6W8ECRFVDATCER7J.
How it became this figure: no base fee; billed per resource
$0.00
Instance: db.r7g.2xlarge
AWS Price List API · X87KE8BUG8YVW8UA
This price comes from the official AWS Price List API, SKU X87KE8BUG8YVW8UA.
How it became this figure: $0.956/h × 730
$697.88
Egress191
AWS Price List API · HQEH3ZWJVT46JHRG
This price comes from the official AWS Price List API, SKU HQEH3ZWJVT46JHRG.
How it became this figure: first 100 GB/month free across the account (SKU PB257JUQ8U6E6UPM), then $0.09/GB to 10340 GB, $0.085/GB to 51300 GB, $0.07/GB to 153700 GB, $0.05/GB beyond
$8.17
Storage195
AWS Price List API · KYVYY29G957PKY3B
This price comes from the official AWS Price List API, SKU KYVYY29G957PKY3B.
How it became this figure: $0.115 per GB-month of gp3 storage, Single-AZ
$22.46

OCI Database with PostgreSQL

$305

Database with PostgreSQL · 4 OCPU (8 vCPU, 64 GB)

Database with PostgreSQL plan
Oracle Cloud price list API · B99060
This price comes from the official Oracle Cloud price list API, SKU B99060.
How it became this figure: no base fee
$0.00
Compute: 4 OCPU (8 vCPU, 64 GB)
Oracle Cloud price list API · B99060
This price comes from the official Oracle Cloud price list API, SKU B99060.
How it became this figure: $0.098/OCPU-h × 4 OCPU × 730; 1 OCPU = 2 vCPU
$286.16
Storage195
Oracle Cloud price list API · B99062
This price comes from the official Oracle Cloud price list API, SKU B99062.
How it became this figure: $0.072/GB-month Database Optimized Storage
$14.06
Backup storage195
Oracle Cloud price list API · B91628
This price comes from the official Oracle Cloud price list API, SKU B91628.
How it became this figure: backups bill at Object Storage rates; first 10 GB/month free
$4.73
Egress191
Oracle Cloud price list API · B88327
This price comes from the official Oracle Cloud price list API, SKU B88327.
How it became this figure: first 10240 GB/month free, then $0.0085/GB
$0.00

Features

Features of each offering
Feature	Amazon RDS for PostgreSQL	OCI Database with PostgreSQL
Automatic backups	Yes · every plan AWS Price List API · 6W8ECRFVDATCER7J This price comes from the official AWS Price List API, SKU `6W8ECRFVDATCER7J`. How it became this figure: automated backups to S3	Yes · every plan Oracle Cloud price list API · B91628 This price comes from the official Oracle Cloud price list API, SKU `B91628`. How it became this figure: automated backups
Point in time recovery	Yes · every plan AWS Price List API · 6W8ECRFVDATCER7J This price comes from the official AWS Price List API, SKU `6W8ECRFVDATCER7J`. How it became this figure: point-in-time restore from automated backups	Not listed
High availability	Add-on · db.t4g.micro Multi-AZ $23.36 / mo on On-Demand AWS Price List API · RGZ43Q28J3F87JYA This price comes from the official AWS Price List API, SKU `RGZ43Q28J3F87JYA`. How it became this figure: $0.032/h × 730	Add-on · 2 OCPU (4 vCPU, 32 GB), 2 nodes $286.16 / mo on Database with PostgreSQL Oracle Cloud price list API · B99060 This price comes from the official Oracle Cloud price list API, SKU `B99060`. How it became this figure: $0.098/OCPU-h × 2 OCPU × 2 nodes × 730; 1 OCPU = 2 vCPU; storage is shared across nodes
Read replicas	Not listed	Add-on · 2 OCPU (4 vCPU, 32 GB), 2 nodes $286.16 / mo on Database with PostgreSQL Oracle Cloud price list API · B99060 This price comes from the official Oracle Cloud price list API, SKU `B99060`. How it became this figure: $0.098/OCPU-h × 2 OCPU × 2 nodes × 730; 1 OCPU = 2 vCPU; storage is shared across nodes
Connection pooling	Not listed	Not listed
Branching	Not listed	Not listed
Private networking	Not listed	Not listed

“Not listed” means the published pricing does not name the feature; it may exist outside the pricing page.

All Amazon RDS for PostgreSQL prices All OCI Database with PostgreSQL prices