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Garnet vs Varnish Cache(2026)

Garnet is better for teams that need microsoft research backing. Varnish Cache is the stronger choice if extremely high throughput http caching. Garnet is open-source (from $0) and Varnish Cache is open-source (from $0).

Full feature breakdown, pricing details, and pros & cons below.

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Garnet logo

Garnet

open-source

Garnet is Microsoft Research's open-source, Redis-compatible cache store built for cloud and edge workloads — with exceptional throughput, low latency, and strong consistency options.

Starting at $0

Visit Garnet
Varnish Cache logo

Varnish Cache

open-source

Varnish Cache is a high-performance HTTP accelerator used by the world's busiest websites. It caches HTTP responses in memory, offloading backends and serving millions of requests per second.

Starting at $0

Visit Varnish Cache

How Do Garnet and Varnish Cache Compare on Features?

FeatureGarnetVarnish Cache
Pricing modelopen-sourceopen-source
Starting price$0$0
Redis API compatible
RESP3 protocol
Cluster mode
Strong/eventual consistency
Pub/sub
Scripting
C# native
HTTP/HTTPS reverse proxy
VCL configuration language
Edge Side Includes (ESI)
Health checks
Grace mode
Hit-for-pass
Varnish Enterprise

Garnet Pros and Cons vs Varnish Cache

G

Garnet

+Microsoft Research backing
+Excellent benchmark numbers
+Redis compatible
+Strong consistency options
Very new (2024)
C# codebase (unfamiliar for most)
Tiny community
No managed cloud yet
V

Varnish Cache

+Extremely high throughput HTTP caching
+Flexible VCL
+Battle-tested at internet scale
+Free open source
Not a general key-value store
VCL learning curve
Memory-only (no persistence)
Setup complexity

Should You Use Garnet or Varnish Cache?

Choose Garnet if…

  • Microsoft Research backing
  • Excellent benchmark numbers
  • Redis compatible

Choose Varnish Cache if…

  • Extremely high throughput HTTP caching
  • Flexible VCL
  • Battle-tested at internet scale

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