vioscaleAI
Comparison

Memcached vs Redis

On the evidence we track, Redis leads this comparison with a composite score of 71/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Memcached full profile →Redis full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Memcached40
★Redis71
Score
vioscaleAI score
Memcached40 / 100low · 36%
Redis71 / 100high · 75%
Pricing
Free tier
Memcached✓
Redis✓
Model
Memcachedopen_source
Redisfreemium
Price level
Memcachedfree
Redislow
Transparent
Memcached✓
Redis✗
Integrations
Count
Memcached–
Redis11
Security
Disclosure policy
Memcached✓
Redis✓
Gdpr
Memcached–
Redis✓
Hipaa
Memcached–
Redis✓
Iso27001
Memcached–
Redis✓
Pci
Memcached–
Redis✓
Scorecard
Memcached4.5
Redis6.8
Soc2
Memcached–
Redis✓
Trust center
Vulnerabilities
Reliability
Sla pct
Memcached–
Redis99.999
Status page
Memcached–
Redis✓
Adoption
Dependent repos
Memcached347
Redis1
Github stars
Memcached14,294
Redis76,594
Stackoverflow questions
Memcached–
Redis26,000
Activity
Commits last 30d
Memcached0
Redis44
Release
Cadence days
Memcached–
Redis45
History
Memcached–
Redis20 items
License
Spdx
MemcachedBSD-3-Clause
RedisRSALv2
Language
Primary
MemcachedC
RedisC
Market
Availability
Content
Faq
Memcached5 items
Redis8 items

Capabilities

Feature-by-feature on the axes that matter for key-value stores. “-” means undocumented, not absent.

Storage
Storage tier
MemcachedIn-memory
RedisIn-memory
Persistence
MemcachedNone (pure cache)
RedisAppend-only log
Data structures
MemcachedKV-only
RedisRich types
Protocol
Wire protocol
MemcachedMemcached
RedisRESP (Redis)
Distribution
Clustering
MemcachedSharded
RedisSharded
Consistency
MemcachedStrong
RedisStrong
Ops
Eviction / TTL policies
Memcached✓
Redis✓
Multi-threaded
Memcached✓
Redis✓
Pub/Sub / streams
Memcached✗
Redis✓
Transactions / atomic ops
MemcachedNone
RedisMULTI-EXEC
Deployment
Deployment
MemcachedSelf-hosted
RedisManaged
Licensing
Licence class
MemcachedPermissive OSS
RedisSource-available
Compatibility
Redis API compatibility
MemcachedNone
RedisFull

What each one is

The product in its own terms, so the numbers below have context.

Memcached

Infrastructure software that enables companies to build high-performance applications by storing frequently accessed data in memory to reduce database load and latency.

Independently observed

Redis

Leader

A multi-purpose in-memory data platform that functions as a cache, vector database, document store, streaming engine, and message broker, with built-in support for advanced search, transactions, and multi-region replication.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Memcached

Open sourceFree tier

Open source and free

as of verify ↗

Redis

Leader
HybridFree tier

Free open-source software plus three cloud subscription tiers (Essentials, Flex, Pro)

  • Essentials-
    • Single database
    • Index on RAM
    • 99.99% uptime
  • Flex-
    • Tiered RAM and SSD storage
    • Adjustable RAM ratio
    • 99.99% uptime
    • Up to 80% cost savings vs RAM alone
  • Pro-
    • Unlimited databases
    • Unlimited storage
    • Unlimited ops/sec
    • Active-Active multi-region
    • 99.999% uptime
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Memcached✗
Redis✓
macOS
Memcached✓
Redis✓
Windows
Memcached✗
Redis✓
Linux
Memcached✓
Redis✓
CLI
Memcached✓
Redis✓
Deployment
Cloud / SaaS
Memcached✗
Redis✓
Self-hosted
Memcached✓
Redis✓
On-premise
Memcached✗
Redis✓
Hybrid
Memcached✗
Redis✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Memcached

Not documented yet.

Redis

Leader
22 total
  • Oracle
  • PostgreSQL
  • MySQL
  • MariaDB
  • Percona XtraDB
  • Microsoft SQL Server
  • MongoDB
  • Cassandra
  • Google Cloud SQL
  • Grafana
  • Prometheus
  • AWS
  • Microsoft Azure
  • Google Cloud
  • Python
  • Node.js
  • Java
  • Go
  • .NET
  • Datadog
  • New Relic
  • Azure
Independently observed
Still deciding?

Memcached or Redis: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.