Softwr

Software · head to head

Amazon RDS vs Upstash

Amazon RDS logo

Amazon RDS

Software

Set up, operate, and scale a relational database in the cloud

From
On request
Rated
-
Full reviewWebsite
Upstash logo

Upstash

Software

Serverless data for modern developers

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Upstash has a free tier, so it costs nothing to try first.
  • Each has a real cost: Amazon RDS no super-user access or direct host connectivity limits advanced customization; Upstash hTTP-based REST API only, no TCP connections means higher latency than self-hosted or connection-pooled Redis
  • They diverge on capability: Amazon RDS covers Multiple DB Engines, Upstash covers Serverless Redis.

Where they differ

Only the attributes on which Amazon RDS and Upstash actually diverge.

Attributes where Amazon RDS and Upstash differ
AttributeAmazon RDSUpstash
Starting priceOn requestFree
Free tierNoYes
PlatformsAWS Cloud, Multi-AZ, Multi-regionREST API, Node.js, Python, Go, Rust, Vercel Edge, Cloudflare Workers, AWS Lambda
Founded20062020

Identical on both: pricing model (Unknown), user rating (Not yet rated), category (Unknown).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Amazon RDS

  • Multiple DB Engines
  • Automated Backups
  • Multi-AZ Deployment
  • Read Replicas
  • Encryption
  • Performance Insights
  • Automatic Scaling
  • MySQL

Only in Upstash

  • Serverless Redis
  • Serverless Kafka
  • QStash
  • Global Replication
  • REST API
  • Edge Functions Support
  • Rate Limiting
  • Caching

Both cover

  • Web support

What people use each for

The jobs each tool is most often brought in to do.

Amazon RDS

  • Transaction processingnot Upstash
  • Data storagenot Upstash
  • Application backendnot Upstash
  • Reportingnot Upstash
  • Data analyticsnot Upstash

Upstash

  • Cachingnot Amazon RDS
  • Session storagenot Amazon RDS
  • Real-time messagingnot Amazon RDS
  • Rate limitingnot Amazon RDS
  • Serverless backendsnot Amazon RDS

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Amazon RDS

  • No super-user access or direct host connectivity limits advanced customization
  • Pricing unpredictable and expensive compared to GCP alternatives with equivalent features
  • Limited access to system procedures and tables requiring advanced permissions
  • No Oracle RAC (Real Application Clusters) support for high-availability Oracle deployments

Upstash

  • HTTP-based REST API only, no TCP connections means higher latency than self-hosted or connection-pooled Redis
  • Rate limiting occurs when traffic exceeds configured budget cap or request limits
  • Kafka service discontinued in March 2025, requiring migration to Upstash Workflow or alternatives
  • Limited Redis feature support compared to self-hosted Redis or Redis Cloud
  • High-request-volume workloads can accumulate significant costs due to per-request pricing model

Pricing, plan by plan

Amazon RDS

On request

No published plan breakdown. See the Amazon RDS review.

Upstash

Free
  • FreeFree
    • 256 MB data
    • 500K commands per month
    • 10 GB bandwidth
  • Pay-as-you-go$0.2/per 100K commands
    • Per-request billing
    • Storage at $0.25/GB
    • Unlimited commands
  • Fixed Plan$10/month
    • 250 MB Redis
    • Predictable pricing
    • Global replication available at higher tiers

Which should you pick?

Choose Amazon RDS if

  • You need multiple db engines.
  • You work on AWS Cloud, Multi-AZ, Multi-region.
  • You also want automated backups.
Amazon RDS review

Choose Upstash if

  • You need serverless redis.
  • You want to start without paying.
  • You work on REST API, Node.js, Python, Go, Rust, Vercel Edge, Cloudflare Workers, AWS Lambda.
  • You also want serverless kafka.
Upstash review

Questions people ask

Is Amazon RDS or Upstash better?
Neither clearly leads. Amazon RDS starts at On request and Upstash at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Amazon RDS or Upstash?
Upstash has a free tier; the other does not. Paid plans start at On request for Amazon RDS and Free for Upstash.
Does Amazon RDS or Upstash run on more platforms?
Amazon RDS runs on AWS Cloud, Multi-AZ, Multi-region. Upstash runs on REST API, Node.js, Python, Go, Rust, Vercel Edge, Cloudflare Workers, AWS Lambda.
Can I use Upstash for free?
Yes. Upstash has a free tier, so you can try it without paying. Amazon RDS starts at On request.
What is Amazon RDS best used for?
Amazon RDS is most often used for transaction processing, data storage, application backend, reporting. Of those, transaction processing and data storage are not what Upstash is typically brought in for.
What can Amazon RDS do that Upstash cannot?
Amazon RDS covers Multiple DB Engines, Automated Backups, Multi-AZ Deployment, Read Replicas. Upstash covers Serverless Redis, Serverless Kafka, QStash, Global Replication. Both handle Web support.

Answered from the vendors’ own pages

Amazon RDS: What databases does Amazon RDS support?

Amazon RDS supports Amazon Aurora, PostgreSQL, MySQL, MariaDB, Oracle Database, and Microsoft SQL Server as managed database engines.

Source
Upstash: Does Upstash have a free tier?

Yes. The free tier provides 256 MB of data and 500,000 commands per month with 10 GB of bandwidth in a single region, no credit card required.

Source
Amazon RDS: Does Amazon RDS handle backups automatically?

Yes. Amazon RDS automates backup configuration, backing up your database and transaction logs. Blue/Green Deployments allow safer updates by mirroring production in staging before applying changes.

Source
Upstash: How does Upstash work with edge platforms like Vercel and Cloudflare Workers?

Upstash uses a REST API instead of TCP connections, enabling it to work from Vercel Edge, Cloudflare Workers, and AWS Lambda without persistent connections or connection pooling.

Source
Amazon RDS: How does Amazon RDS Proxy improve performance?

Amazon RDS Proxy is a managed database proxy that makes applications more scalable by reducing database connection overhead, more resilient to database failures, and more secure through built-in authentication.

Source
Upstash: What programming languages are supported?

Upstash provides native SDKs for Python, Node.js, Go, and Rust. Java, C#, and PHP developers can use the REST API or community libraries.

Source
Amazon RDS: Does Amazon RDS provide read replicas?

Yes. Amazon RDS supports read replicas across availability zones and regions, enabling horizontal scaling of read capacity while maintaining a single write primary.

Source
Upstash: Is Upstash Kafka still available?

No. Upstash Kafka was deprecated on September 11, 2024 and fully discontinued on March 11, 2025. Upstash Workflow is now recommended for durable serverless messaging and task queuing.

Source
Amazon RDS: Can I access the host directly via SSH or Remote Desktop?

No. Amazon RDS does not allow direct host access via SSH, Telnet, or Windows Remote Desktop Connection. Database access is limited to database clients and management console.

Source
Upstash: How is Upstash pricing structured?

Upstash uses per-request pricing at $0.20 per 100K commands for Redis, $0.25/GB for storage, and $0.40 per 100K requests for Vector database. Idle applications cost nothing.

Source
Upstash: Can Upstash be used with AWS Lambda?

Yes. Upstash works with AWS Lambda via its REST API, eliminating the need for connection pooling and making it ideal for stateless serverless functions.

Source
ShareXLinkedInRedditWhatsAppEmail

Related pages

More on Amazon RDS

More on Upstash

Keep looking

Other head to heads