Softwr

Cloud & Infrastructure · head to head

Lambda (AWS Serverless) vs Duplicati

Lambda (AWS Serverless) logo

Lambda (AWS Serverless)

Cloud & Infrastructure

Run code without thinking about servers

From
Free
Rated
-
Full reviewWebsite
Duplicati logo

Duplicati

File Storage & Backup

Free open-source backup with encryption

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Lambda (AWS Serverless) billed on two axes at once, $0.20 per million requests plus $0.0000166667 per GB-second of duration, so memory settings change the bill as much as traffic does; Duplicati no managed service or commercial support
  • They diverge on capability: Lambda (AWS Serverless) covers Function-as-a-Service, Duplicati covers AES-256 encryption.

Where they differ

Only the attributes on which Lambda (AWS Serverless) and Duplicati actually diverge.

Attributes where Lambda (AWS Serverless) and Duplicati differ
AttributeLambda (AWS Serverless)Duplicati
Pricing modelusage-basedUnknown
PlatformsWeb, ApiWindows, macOS, Linux
CategoryCloud & InfrastructureFile Storage & Backup
Founded20142008

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

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 Lambda (AWS Serverless)

  • Function-as-a-Service
  • Event-driven execution
  • Auto-scaling
  • Pay-per-use
  • Multiple languages
  • Concurrency limits
  • Dead Letter Queues
  • Environment variables

Only in Duplicati

  • AES-256 encryption
  • Incremental backup
  • Deduplication
  • Multiple cloud backends
  • Compression
  • Web interface
  • AWS S3
  • Azure

Both cover

  • Web support

What people use each for

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

Lambda (AWS Serverless)

  • Event-driven functions without managing serversnot Duplicati
  • API backends behind API Gatewaynot Duplicati
  • Processing S3, DynamoDB, SQS and Kinesis eventsnot Duplicati
  • Scheduled jobs without a always-on instancenot Duplicati
  • Edge compute through Lambda@Edgenot Duplicati

Duplicati

  • Data protectionnot Lambda (AWS Serverless)
  • Disaster recoverynot Lambda (AWS Serverless)
  • Business continuitynot Lambda (AWS Serverless)
  • Ransomware protectionnot Lambda (AWS Serverless)
  • Compliancenot Lambda (AWS Serverless)

Where each one falls short

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

Lambda (AWS Serverless)

  • Billed on two axes at once, $0.20 per million requests plus $0.0000166667 per GB-second of duration, so memory settings change the bill as much as traffic does
  • Provisioned concurrency, used to avoid cold starts, is charged separately at $0.0000041667 per GB-second whether or not the function runs
  • Ephemeral storage beyond the included 512 MB is metered
  • Lambda@Edge costs $0.60 per million requests, three times the standard request rate
  • VPC use and cross-region data transfer carry EC2 charges on top

Duplicati

  • No managed service or commercial support
  • Relies on community support
  • No enterprise features

Pricing, plan by plan

Lambda (AWS Serverless)

Free
  • Free TierFree
    • 1M free requests/month
    • 400,000 GB-seconds/month
    • Always free

Duplicati

Free

No published plan breakdown. See the Duplicati review.

Which should you pick?

Choose Lambda (AWS Serverless) if

  • You need function-as-a-service.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want event-driven execution.
Lambda (AWS Serverless) review

Choose Duplicati if

  • You need aes-256 encryption.
  • You want to start without paying.
  • You work on Windows, macOS, Linux.
  • You also want incremental backup.
Duplicati review

Questions people ask

Is Lambda (AWS Serverless) or Duplicati better?
Neither clearly leads. Lambda (AWS Serverless) starts at Free and Duplicati at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Lambda (AWS Serverless) or Duplicati?
Lambda (AWS Serverless) starts at Free and Duplicati at Free.
Does Lambda (AWS Serverless) or Duplicati run on more platforms?
Lambda (AWS Serverless) runs on Web, Api. Duplicati runs on Windows, macOS, Linux.
Can I use Lambda (AWS Serverless) for free?
Both have a free tier, so you can try either at no cost before committing.
What is Lambda (AWS Serverless) best used for?
Lambda (AWS Serverless) is most often used for event-driven functions without managing servers, api backends behind api gateway, processing s3, dynamodb, sqs and kinesis events, scheduled jobs without a always-on instance. Of those, event-driven functions without managing servers and api backends behind api gateway are not what Duplicati is typically brought in for.
What can Lambda (AWS Serverless) do that Duplicati cannot?
Lambda (AWS Serverless) covers Function-as-a-Service, Event-driven execution, Auto-scaling, Pay-per-use. Duplicati covers AES-256 encryption, Incremental backup, Deduplication, Multiple cloud backends. Both handle Web support.

Answered from the vendors’ own pages

Duplicati: Is Duplicati free?

Yes. Duplicati is completely free and open-source under the LGPL license. There are no premium tiers, trials, or limitations.

Source
Duplicati: What does Duplicati support?

Duplicati supports zero-trust, fully encrypted backups to local storage, network drives, and cloud services. It includes deduplication and incremental backups.

Source
Duplicati: What are the platforms?

Duplicati runs on Windows, macOS, and Linux. It can back up data to local storage, network drives, or cloud providers.

Source
ShareXLinkedInRedditWhatsAppEmail

Related pages

More on Lambda (AWS Serverless)

More on Duplicati

Keep looking

Other head to heads