What are the performance differences between ENI, ENA, and EFA adapters in AWS?

Question

KAVIYA T · Accepted Answer

ENI (Elastic Network Interface): Standard network interface, supports up to a few Gbps bandwidth; suitable for basic networking. ENA (Elastic Network Adapter): Enhanced adapter, supports up to 100 Gbps bandwidth; optimized for high throughput and low latency. EFA (Elastic Fabric Adapter): Specialized adapter for HPC and ML, provides ultra-low latency, high throughput, and OS-bypass for tightly coupled workloads.

What are the performance differences between ENI, ENA, and EFA adapters in AWS?

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