db.t4g.xlargevsdb.m6g.xlarge

db.t4g.xlarge is 19% cheaper than db.m6g.xlarge on demand in US East (N. Virginia), saving $43.80 a month.

At a glancedb.t4g.xlargedb.m6g.xlarge
On-demand$0.258/hr19% less$0.318/hr
Lowest rate$0.186/hr9% less1-yr reserved, no upfront$0.2037/hr1-yr reserved, no upfront
Size4 vCPUs, 16 GiB4 vCPUs, 16 GiB
Architecturearm64arm64
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.t4g.xlargedb.m6g.xlargedb.m6g.xlarge vs db.t4g.xlarge
On-demandPay by the hour$0.258$0.318▲ 23%
1-yr reservedNo upfront28% off$0.18636% off$0.2037▲ 10%

Key differences

The biggest lead each one has.

Where db.t4g.xlarge leads
On-demand price$0.258 vs $0.318 per hour
19% cheaper
CPU modelEarns credits while idle, then bursts
Burstable
Where db.m6g.xlarge leads
CPU modelSteady performance, no credits to manage
Full CPU
Network peak10 Gbps vs 5 Gbps
2× higher
EBS baseline bandwidth1,188 Mbps vs 695 Mbps
71% higher

Specs

17 of 24 specs differ. Those are in bold.

Compute2 of 8 differdb.t4g.xlargedb.m6g.xlarge
vCPUs44
Physical cores44
Threads per core11
Architecturearm64arm64
ProcessorAWS Graviton2–
CPU makerAWSAWS
Sustained clock2.5 GHz2.5 GHz
BurstableYesNo
MemoryAll 1 matchdb.t4g.xlargedb.m6g.xlarge
Memory (GiB)1616
Networking3 of 3 differdb.t4g.xlargedb.m6g.xlarge
NetworkUp to 5 Gigabit–
Network baseline1.024 Gbps1.25 Gbps
Network peak5 Gbps10 Gbps
Storage7 of 7 differdb.t4g.xlargedb.m6g.xlarge
StorageEBS Only–
EBS baseline bandwidth695 Mbps1,188 Mbps
EBS max bandwidth2,780 Mbps4,750 Mbps
EBS baseline throughput86.875 MB/s148.5 MB/s
EBS max throughput347.5 MB/s593.75 MB/s
EBS baseline IOPS4,0006,000
EBS max IOPS15,70020,000
Instance details4 of 4 differdb.t4g.xlargedb.m6g.xlarge
Familyt4gm6g
CategoryGeneral purpose–
Current generationYes–
Normalization factor168
Other1 of 1 differdb.t4g.xlargedb.m6g.xlarge
Hardware Basist4g.xlargem6g.xlarge

On-demand prices by region

Cheapest for db.t4g.xlarge first. PostgreSQL, USD per hour.

Regiondb.t4g.xlargedb.m6g.xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$0.258$0.318▲ 23%
US East (Ohio)us-east-2$0.258$0.318▲ 23%
US West (Oregon)us-west-2$0.258$0.318▲ 23%
EU (Stockholm)eu-north-1$0.261$0.334▲ 28%
Mexico (Central)mx-central-1$0.27$0.334▲ 24%
EU (Ireland)eu-west-1$0.277$0.352▲ 27%
Europe (Spain)eu-south-2$0.28$0.352▲ 26%
AWS GovCloud (US-East)us-gov-east-1$0.282$0.372▲ 32%
AWS GovCloud (US-West)us-gov-west-1$0.282$0.372▲ 32%
Canada (Central)ca-central-1$0.282$0.35▲ 24%
EU (London)eu-west-2$0.29$0.368▲ 27%
EU (Milan)eu-south-1$0.29$0.37▲ 28%
EU (Paris)eu-west-3$0.29$0.368▲ 27%
Israel (Tel Aviv)il-central-1$0.29$0.37▲ 28%
EU (Frankfurt)eu-central-1$0.298$0.379▲ 27%
Middle East (Bahrain)me-south-1$0.304$0.386▲ 27%
Middle East (UAE)me-central-1$0.304$0.386▲ 27%
Africa (Cape Town)af-south-1$0.328$0.417▲ 27%
Europe (Zurich)eu-central-2$0.328$0.416▲ 27%
Asia Pacific (Hyderabad)ap-south-2$0.334$0.452▲ 35%
Asia Pacific (Mumbai)ap-south-1$0.334$0.452▲ 35%
US West (N. California)us-west-1$0.342$0.363▲ 6%
Asia Pacific (Taipei)ap-east-2$0.364$0.398▲ 9%
Asia Pacific (Malaysia)ap-southeast-5$0.366$0.376▲ 3%
Asia Pacific (Thailand)ap-southeast-7$0.366$0.376▲ 3%
Asia Pacific (Tokyo)ap-northeast-1$0.403$0.441▲ 9%
Asia Pacific (Osaka)ap-northeast-3$0.404$0.468▲ 16%
Asia Pacific (Jakarta)ap-southeast-3$0.406$0.441▲ 9%
Asia Pacific (Melbourne)ap-southeast-4$0.406$0.441▲ 9%
Asia Pacific (Seoul)ap-northeast-2$0.406$0.441▲ 9%
Asia Pacific (Singapore)ap-southeast-1$0.406$0.441▲ 9%
Asia Pacific (Sydney)ap-southeast-2$0.406$0.441▲ 9%
Asia Pacific (New Zealand)ap-southeast-6$0.4264$0.4642▲ 9%
Asia Pacific (Hong Kong)ap-east-1$0.445$0.485▲ 9%
South America (Sao Paulo)sa-east-1$0.55$0.416▼ 24%

Keep exploring

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

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