Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · In-Memory Databases

Infinispan vs eXtremeDB

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Infinispan #3 in In-Memory Databases 9.0/10 Free plan Free plan✓ 0 of 4 features Visit Infinispan
eXtremeDB #7 in In-Memory Databases 8.5/10 Pricing on request · 60-day trial Free trial✓ 4 of 4 features Visit McObject

Infinispan leads on 0 checks, eXtremeDB on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreInfinispan · 9.0/10
  • Free planonly Infinispan
  • Free trialonly eXtremeDB
  • Most featureseXtremeDB · 4 of 4

Infinispan scores higher on our rubric for in-memory databases: 9.0 against 8.5 out of 10; our editors rank them #3 and #7.

Infinispan is the better fit for java-centric clustered caching and search. eXtremeDB is the better fit for embedded and edge applications needing durability.

  • Infinispan fits best

    Java-centric clustered caching and search

  • eXtremeDB fits best

    Embedded and edge applications needing durability

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 Infinispan 9.0/10 Visit ↗ eXtremeDB 8.5/10 Visit ↗
At a glance
Editor score 9.0 8.5
Ranking #3 in In-Memory Databases #7 in In-Memory Databases
Best for Java-centric clustered caching and search Embedded and edge applications needing durability
Pricing model Free Paid
Starting price Free plan Pricing on request · 60-day trial
Free plan ✓ (best) Not checked yet
Free trial — 60 days
Deployment Cloud, Self-hosted Cloud, Self-hosted
Support Community, Docs Email, Phone, Docs
Integrations 9 integrations 8 integrations
Built for Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Infinispan 0/4 · eXtremeDB 4/4
Data persistence Not checked yet ✓ (best)
High availability Not checked yet ✓ (best)
SQL support Not checked yet ✓ (best)
Vector search Not checked yet ✓ (best)
Specs
Deployment Not checked yet Both
Included memory Not checked yet Not checked yet
Supported data models Not checked yet relational SQL, object-based/native, row-oriented, columnar time-series, in-memory, persistent, hybrid
Our review
Pros
  • Cross-site replication supports geographically distributed clusters.
  • Transactions, persistence, expiration, and multiple search modes are built in.
  • Spring, Quarkus, Kubernetes, and OpenShift integrations broaden deployment fit.
  • Supports in-memory, persistent, and hybrid storage modes
  • Combines replication, failover, clustering, and distributed queries
  • Offers SQL, native APIs, vector indexes, and time-series layouts
Cons
  • Self-hosted operation places deployment and administration responsibility on teams.
  • The broad feature set may exceed the needs of simple caching workloads.
  • Its strongest ecosystem fit is centered on Java and related platforms.
  • Pricing requires contacting McObject's sales team
  • The 60-day offer is an evaluation trial, not a perpetual free plan
  • Its broad feature set may exceed the needs of simple embedded applications
Our verdict

Infinispan is an open-source distributed in-memory database and caching platform for applications that need low-latency data access, clustered operation, persistence, and replication across data centers. It can run as an embedded Java…

Read the review →

eXtremeDB is an embedded database management system for professional developers building resource-constrained, real-time, IoT, networking, financial, and high-performance computing applications. It supports embedded and client/server…

Read the review →
  1. InfinispanIn-Memory Databases 9.0Free plan
  2. eXtremeDBIn-Memory Databases 8.5Pricing on request · 60-day trial

Strengths and trade-offs

  • Infinispan — where it wins

    • Cross-site replication supports geographically distributed clusters.
    • Transactions, persistence, expiration, and multiple search modes are built in.
    • Spring, Quarkus, Kubernetes, and OpenShift integrations broaden deployment fit.

    Where it doesn't

    • Self-hosted operation places deployment and administration responsibility on teams.
    • The broad feature set may exceed the needs of simple caching workloads.
    • Its strongest ecosystem fit is centered on Java and related platforms.

  • eXtremeDB — where it wins

    • Supports in-memory, persistent, and hybrid storage modes
    • Combines replication, failover, clustering, and distributed queries
    • Offers SQL, native APIs, vector indexes, and time-series layouts

    Where it doesn't

    • Pricing requires contacting McObject's sales team
    • The 60-day offer is an evaluation trial, not a perpetual free plan
    • Its broad feature set may exceed the needs of simple embedded applications

More comparisons

All In-Memory databases comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update