AWS provides various Amazon Elastic Compute Cloud (EC2) instances, including a broad choice of Graviton2 processor-based, which allow customers to optimize their workloads on performance and costs. The latest addition to the Graviton2-based instances is the low cost burstable general-purpose T4g instances.

In the past, AWS released EC2 T3g instances for customers to run general-purpose workloads in a very cost-effective manner. Yet, customers asked for instances that could run at increased peak performance at a low cost. Hence, AWS announced the release of T4g instances, a new generation of low-cost burstable instance type powered by AWS Graviton2 - a processor custom-built by AWS using 64-bit Arm Neoverse cores.

Danilo Poccia, chief evangelist (EMEA) at AWS, stated in his blog post on T4g instances:

Using T4g instances, you can enjoy a performance benefit of up to 40% at a 20% lower cost in comparison to T3 instances, providing the best price/performance for a broader spectrum of workloads.

The public cloud vendor designed the T4g instances for applications that do not always require 100% CPU power. Furthermore, customers will have the same credit as the T3g instances with unlimited mode enabled by default. The T4g instances are suitable for workloads such as search engine indexing, and are available in seven sizes providing up to 5 Gbps of network and up to 2.7 Gbps of Amazon Elastic Block Store (EBS) performance.

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