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Amazon EKS VS AWS Lambda

Compare Amazon EKS VS AWS Lambda and see what are their differences

Amazon EKS logo Amazon EKS

Amazon EKS makes it easy for you to run Kubernetes on AWS without needing to install and operate your own Kubernetes clusters.

AWS Lambda logo AWS Lambda

Automatic, event-driven compute service
  • Amazon EKS Landing page
    Landing page //
    2022-01-30
  • AWS Lambda Landing page
    Landing page //
    2023-04-29

Amazon EKS features and specs

  • Managed Service
    Amazon EKS is a managed Kubernetes service, which means AWS handles the control plane, saving time and operational overhead.
  • Scalability
    EKS integrates with AWS's scaling tools such as Auto Scaling groups, allowing for seamless scaling of applications.
  • Security
    Offers integration with AWS IAM for authentication and supports network policies and encryption for securing applications.
  • AWS Ecosystem Integration
    Deeply integrated with other AWS services like VPC, IAM, CloudWatch, and more, providing a streamlined experience.
  • Community and Ecosystem Support
    Being a Kubernetes service, it benefits from the extensive Kubernetes ecosystem and community support for tools and extensions.

Possible disadvantages of Amazon EKS

  • Cost
    While EKS simplifies management, it comes with additional costs over using self-managed Kubernetes clusters.
  • Complexity
    EKS, like Kubernetes itself, can be complex to manage and configure, needing skilled personnel to handle deployments.
  • Vendor Lock-In
    Reliance on AWS services can make it hard to migrate to another cloud provider or an on-premises solution if needed.
  • Steeper Learning Curve
    Organizations new to Kubernetes might find the learning curve steep when adopting EKS, requiring significant training and adjustment.
  • Regional Availability
    EKS might not be available in all AWS regions, limiting deployment flexibility for global applications.

AWS Lambda features and specs

  • Scalability
    AWS Lambda automatically scales your application by running your code in response to each trigger. This means no manual intervention is required to handle varying levels of traffic.
  • Cost-effectiveness
    You only pay for the compute time you consume. Billing is metered in increments of 100 milliseconds and you are not charged when your code is not running.
  • Reduced Operations Overhead
    AWS Lambda abstracts the infrastructure management layer, so there is no need to manage or provision servers. This allows you to focus more on writing code for your applications.
  • Flexibility
    Supports multiple programming languages such as Python, Node.js, Ruby, Java, Go, and .NET, which allows you to use the language you are most comfortable with.
  • Integration with Other AWS Services
    Seamlessly integrates with many other AWS services such as S3, DynamoDB, RDS, SNS, and more, making it versatile and highly functional.
  • Automatic Scaling and Load Balancing
    Handles thousands of concurrent requests without managing the scaling yourself, making it suitable for applications requiring high availability and reliability.

Possible disadvantages of AWS Lambda

  • Cold Start Latency
    The first request to a Lambda function after it has been idle for a certain period can take longer to execute. This is referred to as a 'cold start' and can impact performance.
  • Resource Limits
    Lambda has defined limits, such as a maximum execution timeout of 15 minutes, memory allocation ranging from 128 MB to 10,240 MB, and temporary storage up to 512 MB.
  • Vendor Lock-in
    Using AWS Lambda ties you into the AWS ecosystem, making it difficult to migrate to another cloud provider or an on-premises solution without significant modifications to your application.
  • Complexity of Debugging
    Debugging and monitoring distributed, serverless applications can be more complex compared to traditional applications due to the lack of direct access to the underlying infrastructure.
  • Cold Start Issues with VPC
    When Lambda functions are configured to access resources within a Virtual Private Cloud (VPC), the cold start latency can be exacerbated due to additional VPC networking overhead.
  • Limited Execution Control
    AWS Lambda is designed for stateless, short-running tasks and may not be suitable for long-running processes or tasks requiring complex orchestration.

Analysis of AWS Lambda

Overall verdict

  • AWS Lambda is a strong choice for developers looking for scalable, event-driven applications with minimal management overhead. It is particularly beneficial for applications that experience intermittent traffic or unpredictable workloads.

Why this product is good

  • AWS Lambda is a popular serverless computing service because it allows users to run code without provisioning or managing servers. It automatically scales applications by running code in response to triggers such as HTTP requests, changes in data, or system events. This can significantly reduce operational overhead and costs, as you only pay for the compute time you consume.

Recommended for

  • Developers building microservices or serverless applications.
  • Companies looking to reduce infrastructure management.
  • Startups wanting to quickly deploy applications with limited operational costs.
  • Organizations needing to integrate with other AWS services for a comprehensive solution.
  • Projects with unpredictable or variable workloads that require automatic scaling.

Amazon EKS videos

Amazon EKS Architecture Introduction

More videos:

  • Review - AWS re:Invent 2018: [REPEAT 1] Deep Dive on Amazon EKS (CON361-R1)
  • Review - AWS re:Invent 2020: Looking at Amazon EKS through a networking lens
  • Review - Amazon EKS Roadmap - Nathan Taber
  • Review - AWS re:Invent 2023 - The future of Amazon EKS (CON203)
  • Review - Amazon Elastic Container Service for Kubernetes (Amazon EKS)

AWS Lambda videos

AWS Lambda Vs EC2 | Serverless Vs EC2 | EC2 Alternatives

More videos:

  • Tutorial - AWS Lambda Tutorial | AWS Tutorial for Beginners | Intro to AWS Lambda | AWS Training | Edureka
  • Tutorial - AWS Lambda | What is AWS Lambda | AWS Lambda Tutorial for Beginners | Intellipaat

Category Popularity

0-100% (relative to Amazon EKS and AWS Lambda)
Cloud Computing
19 19%
81% 81
Developer Tools
50 50%
50% 50
Cloud Hosting
11 11%
89% 89
DevOps Tools
100 100%
0% 0

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Amazon EKS and AWS Lambda

Amazon EKS Reviews

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AWS Lambda Reviews

Top 7 Firebase Alternatives for App Development in 2024
AWS Lambda is suitable for applications with varying workloads and those already using the AWS ecosystem.
Source: signoz.io

Social recommendations and mentions

Based on our record, AWS Lambda should be more popular than Amazon EKS. It has been mentiond 297 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Amazon EKS mentions (79)

  • Kubernetes kills your pod? Here's why
    On managed Kubernetes platforms like EKS, this has a second benefit: the cluster autoscaler pays attention to resource requests when deciding whether to add new nodes. - Source: dev.to / about 1 month ago
  • Optimising GenAI/ML workloads in AWS EKS with Karpenter
    After returning from AWS Summit London 2026 I was doing some research on running AI/ML workload in AWS EKS with Karpenter. With some assistance from Gemini I turned some of my notes from various talks into this guide that will talk through the intricacies of deploying and scaling Generative AI (GenAI) workloads on AWS EKS, leveraging the power of Karpenter. - Source: dev.to / 2 months ago
  • LLM on EKS: Serving with vLLM
    This post is a small step in that direction: serving an LLM using vLLM, deployed on Amazon EKS, provisioned the infra using AWS CDK, and wrapped into a simple chatbot using Streamlit. - Source: dev.to / 3 months ago
  • Modern Java Observability in 2026 - Spring Boot 4 on Amazon EKS
    In this post, I'll walk you through setting up observability for Spring Boot applications on Amazon EKS - starting with the basics (logs and metrics), diving into distributed tracing, and finishing with Application Signals. Hopefully this saves you some time. - Source: dev.to / 6 months ago
  • HOW TO: Run Spark on Kubernetes with AWS EMR on EKS (2025)
    Running Apache Spark on Kubernetes with AWS EMR on EKS brings big benefits โ€“ you get the best of both worlds. AWS EMR's optimized Spark runtime and AWS EKS's container orchestration come together in one managed platform. Sure, you could run Spark on Kubernetes yourself, but it's a lot of manual work. You'd need to create a custom container image, set up networking, and handle a bunch of other configurations. But... - Source: dev.to / 8 months ago
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AWS Lambda mentions (297)

  • Serverless with Mama J โ€” Why Serverless
    AWS Lambda is a service that runs your code without you managing any servers. You write your code, deploy it to Lambda, and it takes care of the infrastructure โ€” servers, networking, security, and scaling. - Source: dev.to / 2 months ago
  • Enriching Free Trial Signups: The PLG Data Stack for Turning Inbound Users Into Qualified Pipeline
    Clay can replace the Lambda and API chain if you'd rather avoid custom code. You set up a Clay table as the enrichment layer, trigger it from Segment via webhook, and it handles the waterfall and CRM push without writing a function. The tradeoff: less control over scoring logic and higher cost per enriched contact. - Source: dev.to / about 2 months ago
  • Dynamic Looping Comes to AWS SAM
    To show why this matters, take a look at the following example. I have three AWS Lambda functions, Lambda being the serverless compute service, that each handle a different endpoint on the same API. But, almost everything about them is the same. They have the same runtime, the same memory configuration, and nearly the same structure. The only differences are the name, handler, and possibly some environment variables. - Source: dev.to / 2 months ago
  • AIP-C01 last-minute revision: exam traps, memory hooks, and quick notes
    Query Expansion and Decomposition: Amazon Bedrock query expansion broadens search; AWS Lambda query decomposition breaks complex queries into sub-queries; AWS Step Functions orchestrates multi-step retrieval. - Source: dev.to / 3 months ago
  • Why AWS Certified GenAI Developer stands apart from other AWS certs
    You need to understand synchronous and asynchronous inference patterns, event-driven architectures using Amazon EventBridge, workflow orchestration with AWS Step Functions, data processing with AWS Lambda, state management with Amazon DynamoDB, and security with AWS Identity and Access Management (IAM). The exam tests your ability to design serverless architectures that scale automatically, handle failures... - Source: dev.to / 3 months ago
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What are some alternatives?

When comparing Amazon EKS and AWS Lambda, you can also consider the following products

Google Kubernetes Engine - Google Kubernetes Engine is a powerful cluster manager and orchestration system for running your Docker containers. Set up a cluster in minutes.

Amazon API Gateway - Create, publish, maintain, monitor, and secure APIs at any scale

Kubernetes - Kubernetes is an open source orchestration system for Docker containers

Amazon S3 - Amazon S3 is an object storage where users can store data from their business on a safe, cloud-based platform. Amazon S3 operates in 54 availability zones within 18 graphic regions and 1 local region.

Azure Container Service - Azure Container Service is a solution that optimizes the configuration of popular open-source tools and technologies specifically for Azure, it provides an open solution that offers portability for both users containers and users application configuโ€ฆ

Google App Engine - A powerful platform to build web and mobile apps that scale automatically.