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Head-to-head · Key-Value Databases

Amazon DynamoDB vs Valkey

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Amazon DynamoDB #1 in Key-Value Databases 9.3/10 Free plan Free plan✓ 2 of 3 features Try Amazon DynamoDB
Valkey #8 in Key-Value Databases 8.5/10 Open source ✓ 2 of 3 features Visit Valkey

Amazon DynamoDB leads on 0 checks, Valkey on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAmazon DynamoDB · 9.3/10
  • Free planonly Amazon DynamoDB

Amazon DynamoDB scores higher on our rubric for key-value databases: 9.3 against 8.5 out of 10; our editors rank them #1 and #8.

On deployment model, Valkey gives you Self_hosted where Amazon DynamoDB offers Cloud. On persistence modes, Valkey gives you Both where Amazon DynamoDB offers Disk.

Amazon DynamoDB is the better fit for managed, scalable AWS key-value workloads. Valkey is the better fit for self-hosted Redis-compatible in-memory storage.

  • Amazon DynamoDB fits best

    Managed, scalable AWS key-value workloads

  • Valkey fits best

    Self-hosted Redis-compatible in-memory storage

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Amazon DynamoDB 9.3/10 Visit ↗ Valkey 8.5/10 Visit ↗
At a glance
Editor score 9.3 8.5
Ranking #1 in Key-Value Databases #8 in Key-Value Databases
Best for Managed, scalable AWS key-value workloads Self-hosted Redis-compatible in-memory storage
Pricing model Free plan + paid Free
Starting price — Open source
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Cloud Self-hosted
Platforms Web, Windows, macOS, Linux, iOS, Android Linux, macOS
Support Docs Community, Docs
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Amazon DynamoDB 2/3 · Valkey 2/3
TTL support ✓ ✓
Clustering support Not checked yet ✓ (best)
Multi-region support ✓ (best) Not checked yet
Specs
Deployment model Cloud Self_hosted
Maximum value size 0.4 MB Not checked yet
Persistence modes Disk Both
Supported protocols HTTP(S), JSON, PartiQL RESP, TCP, Unix sockets
Our review
Pros
  • Supports key-value and document data models with automatic scaling
  • Offers multi-Region global tables, transactions, recovery, and backups
  • Connects with Lambda, S3, Kinesis Data Streams, Athena, and SageMaker
  • Rich data structures, including streams and geospatial indexes
  • Persistence, replication, failover, clustering, and TTL support
  • Open source, BSD-licensed, and available with a free plan
Cons
  • Usage-based billing may be less predictable than fixed paid plans
  • Cloud deployment and AWS service integration may limit portability
  • Items have a documented maximum size of 400 KB
  • Self-hosted deployment leaves operations to developers and infrastructure teams
  • Primarily developed and tested on Linux and macOS
  • Managed offerings come from separate ecosystem participants
Our verdict

Amazon DynamoDB is a serverless, fully managed NoSQL database for applications built around key-value or document data models. It is intended for operational workloads such as user profiles, shopping carts, session stores, gaming data, and…

Read the review →

Valkey is an open-source, BSD-licensed in-memory data structure store for databases, caching, message queues, and streaming workloads. It is designed for developers and infrastructure teams that want self-hosted Redis-compatible storage…

Read the review →
  1. Amazon DynamoDBKey-Value Databases 9.3Free plan
  2. ValkeyKey-Value Databases 8.5Open source

Strengths and trade-offs

  • Amazon DynamoDB — where it wins

    • Supports key-value and document data models with automatic scaling
    • Offers multi-Region global tables, transactions, recovery, and backups
    • Connects with Lambda, S3, Kinesis Data Streams, Athena, and SageMaker

    Where it doesn't

    • Usage-based billing may be less predictable than fixed paid plans
    • Cloud deployment and AWS service integration may limit portability
    • Items have a documented maximum size of 400 KB

  • Valkey — where it wins

    • Rich data structures, including streams and geospatial indexes
    • Persistence, replication, failover, clustering, and TTL support
    • Open source, BSD-licensed, and available with a free plan

    Where it doesn't

    • Self-hosted deployment leaves operations to developers and infrastructure teams
    • Primarily developed and tested on Linux and macOS
    • Managed offerings come from separate ecosystem participants

More comparisons

All Key-Value databases comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update