db.t3.largevsdb.m6idn.large

db.t3.large is 51% cheaper than db.m6idn.large on demand in US East (N. Virginia), saving $109.50 a month.

At a glancedb.t3.largedb.m6idn.large
On-demand$0.145/hr51% less$0.295/hr
Lowest rate$0.1034/hr54% less1-yr reserved, no upfront$0.2272/hr1-yr reserved, no upfront
Size2 vCPUs, 8 GiB2 vCPUs, 8 GiB
CPUBurstableBest for workloads that are mostly idleFull CPUSteady performance, no credits to manage

Prices in US East (N. Virginia)

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

Optiondb.t3.largedb.m6idn.largedb.m6idn.large vs db.t3.large
On-demandPay by the hour$0.145$0.295▲ 103%
1-yr reservedNo upfront29% off$0.103423% off$0.2272▲ 120%

Key differences

The biggest lead each one has.

Where db.t3.large leads
On-demand price$0.145 vs $0.295 per hour
51% cheaper
CPU modelEarns credits while idle, then bursts
Burstable
Where db.m6idn.large leads
CPU modelSteady performance, no credits to manage
Full CPU
EBS max bandwidth25,000 Mbps vs 2,780 Mbps
9× higher
Network baseline3.125 Gbps vs 0.512 Gbps
6.1× higher
Sustained clock3.5 GHz vs 2.5 GHz
40% higher

Specs

20 of 25 specs differ. Those are in bold.

Compute4 of 8 differdb.t3.largedb.m6idn.large
vCPUs22
Physical cores11
Threads per core22
Architecture–x86_64
Processor–Intel Xeon Scalable Ice Lake
CPU makerIntelIntel
Sustained clock2.5 GHz3.5 GHz
BurstableYesNo
MemoryAll 1 matchdb.t3.largedb.m6idn.large
Memory (GiB)88
Networking3 of 3 differdb.t3.largedb.m6idn.large
Network–Up to 25 Gbps
Network baseline0.512 Gbps3.125 Gbps
Network peak5 Gbps25 Gbps
Storage8 of 8 differdb.t3.largedb.m6idn.large
Storage–1 x 118 NVMe SSD
Local disks–1 × 118 GB SSD
EBS baseline bandwidth695 Mbps1,562 Mbps
EBS max bandwidth2,780 Mbps25,000 Mbps
EBS baseline throughput86.875 MB/s195.313 MB/s
EBS max throughput347.5 MB/s3,125 MB/s
EBS baseline IOPS4,0006,250
EBS max IOPS15,700100,000
Instance details4 of 4 differdb.t3.largedb.m6idn.large
Familyt3m6idn
Category–General purpose
Current generation–Yes
Normalization factor412
Other1 of 1 differdb.t3.largedb.m6idn.large
Hardware Basist3.largem6idn.large

On-demand prices by region

Cheapest for db.t3.large first. PostgreSQL, USD per hour.

Regiondb.t3.largedb.m6idn.largeDifference
US East (N. Virginia)Used in summaryus-east-1$0.145$0.295▲ 103%
US East (Ohio)us-east-2$0.145$0.295▲ 103%
US West (Oregon)us-west-2$0.145$0.295▲ 103%
EU (Ireland)eu-west-1$0.156$0.327▲ 110%
Asia Pacific (Tokyo)ap-northeast-1$0.224$0.408▲ 82%

Keep exploring

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

db.t3.larget3 family, burstable
db.t3.large prices and specsEvery size in the t3 family

Compare db.t3.large with

db.m5.largedb.m5d.largedb.m6i.largedb.m8i.largedb.m7i.largedb.m6id.largedb.m4.largedb.m6in.largedb.t2.large
db.m6idn.largeGeneral purpose, m6idn family
db.m6idn.large prices and specsEvery size in the m6idn family

Compare db.m6idn.large with

db.m6i.largedb.r6idn.largedb.t2.large

Pay the committed rate, with commitment protection

The best committed rate on these two is 23–29% below on-demand. Connect your cloud accounts to unlock greater savings with commitment protection.

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