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Head-to-head · Key-Value Databases

Amazon MemoryDB vs etcd

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Amazon MemoryDB #6 in Key-Value Databases 8.7/10 Paid ✓ 3 of 3 features Try Amazon MemoryDB
etcd #7 in Key-Value Databases 8.6/10 Open source ✓ 3 of 3 features Visit etcd

Amazon MemoryDB leads on 0 checks, etcd 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 MemoryDB · 8.7/10

Amazon MemoryDB scores higher on our rubric for key-value databases: 8.7 against 8.6 out of 10; our editors rank them #6 and #7.

On deployment model, etcd gives you Self_hosted where Amazon MemoryDB offers Cloud.

Amazon MemoryDB is the better fit for durable managed Redis or Valkey workloads. etcd is the better fit for kubernetes-backed coordination and configuration data.

  • Amazon MemoryDB fits best

    Durable managed Redis or Valkey workloads

  • etcd fits best

    Kubernetes-backed coordination and configuration data

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Side by side

Feature Amazon MemoryDB 8.7/10 Visit ↗ etcd 8.6/10 Visit ↗
At a glance
Editor score 8.7 8.6
Ranking #6 in Key-Value Databases #7 in Key-Value Databases
Best for Durable managed Redis or Valkey workloads Kubernetes-backed coordination and configuration data
Pricing model Paid Free
Starting price $0.20/GB usage-based Open source
Free plan — Not checked yet
Free trial — —
Deployment Cloud Self-hosted
Platforms Web Windows, macOS, Linux
Support Tickets, Community, Docs Email, Community, Docs
Built for Small business, Mid-market, Enterprise Mid-market, Enterprise
Features Amazon MemoryDB 3/3 · etcd 3/3
TTL support ✓ ✓
Clustering support ✓ ✓
Multi-region support ✓ ✓
Specs
Deployment model Cloud Self_hosted
Maximum value size Not checked yet Not checked yet
Persistence modes Both Both
Supported protocols Valkey Cluster protocol; Redis OSS Cluster protocol; HTTPS gRPC, HTTP/JSON
Our review
Pros
  • Multi-AZ transactional-log durability with automatic failover
  • JSON documents, vector search, and active-active multi-Region replication
  • TLS, AWS KMS encryption, ACLs, and IAM-based access controls
  • Raft replication supports strongly consistent distributed storage
  • Watches, leases, and atomic transactions support cluster coordination
  • Snapshots, compaction, TLS, and client-certificate authentication are included
Cons
  • No free plan; MemoryDB is paid-only
  • On-demand charges vary by node type and usage
  • Multi-Region deployments do not support TTL
  • Self-hosted deployment requires teams to operate the server or cluster
  • Kubernetes is the listed integration, limiting broader ecosystem coverage
  • Multi-region support is not a documented focus
Our verdict

Amazon MemoryDB is a fully managed, durable in-memory key-value database for applications that need low-latency reads, fast writes, high throughput, and data durability. It is compatible with Valkey and Redis OSS data structures, commands,…

Read the review →

etcd is an open-source, strongly consistent distributed key-value store for distributed systems and clusters. It is designed for Kubernetes-backed coordination and configuration data, with self-hosted server or cluster deployment on Linux,…

Read the review →
  1. Amazon MemoryDBKey-Value Databases 8.7Paid
  2. etcdKey-Value Databases 8.6Open source

Strengths and trade-offs

  • Amazon MemoryDB — where it wins

    • Multi-AZ transactional-log durability with automatic failover
    • JSON documents, vector search, and active-active multi-Region replication
    • TLS, AWS KMS encryption, ACLs, and IAM-based access controls

    Where it doesn't

    • No free plan; MemoryDB is paid-only
    • On-demand charges vary by node type and usage
    • Multi-Region deployments do not support TTL

  • etcd — where it wins

    • Raft replication supports strongly consistent distributed storage
    • Watches, leases, and atomic transactions support cluster coordination
    • Snapshots, compaction, TLS, and client-certificate authentication are included

    Where it doesn't

    • Self-hosted deployment requires teams to operate the server or cluster
    • Kubernetes is the listed integration, limiting broader ecosystem coverage
    • Multi-region support is not a documented focus

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