Staxly

PlanetScale vs MongoDB Atlas

Serverless MySQL (Vitess) and Postgres at scale
vs. Managed MongoDB with search, vector, stream processing

PlanetScale websiteMongoDB Atlas

Pricing tiers

PlanetScale

Postgres EBS single-node — PS-5
Single-node EBS, 512 MiB RAM, arm64. Entry point for Postgres.
$5/mo
Postgres EBS HA — PS-5
3-node (primary + 2 replicas), 512 MiB, arm64.
$15/mo
Vitess (non-Metal) — PS-10
Vitess MySQL sharded cluster, 1 GiB RAM.
$39/mo
Postgres Metal — M-10
3-node Metal, 1 GiB RAM + 10 GiB local storage. Much higher IOPS.
$50/mo
Vitess Metal — M-160
Vitess Metal, 16 GiB RAM + 110 GiB storage.
$609/mo
Enterprise
Custom agreements, dedicated regions, 99.99% SLA.
Custom
PlanetScale website

MongoDB Atlas

M0 — Free
Shared cluster, 512 MB storage, 100 ops/sec, 32 MB sort memory. Learning/exploration.
Free
Flex — Serverless
Autoscales 0-500 ops/sec. 5 GB storage. Pay-as-you-go, up to ~$30/mo.
$8/mo
M2 — Shared
Shared, 2 GB storage. Staging / small apps.
$9/mo
M5 — Shared
Shared, 5 GB storage.
$25/mo
M10 — Dedicated
2 GB RAM, 2 vCPU, 10-128 GB storage. First dedicated tier.
$57/mo
M20 — Dedicated
4 GB RAM, 2 vCPU, 20-256 GB storage.
$144/mo
M30 — Dedicated
8 GB RAM, 2 vCPU, 40-512 GB storage.
$389/mo
M40 — Dedicated
16 GB RAM, 4 vCPU, 80 GB-1 TB storage.
$749/mo
M50 — Dedicated
32 GB RAM, 8 vCPU, 160 GB-4 TB storage.
$1440/mo
M60 — Dedicated
64 GB RAM, 16 vCPU.
$2844/mo
M80 — Dedicated
128 GB RAM, 32 vCPU, 750 GB-4 TB.
$5256/mo
M300 — Dedicated
384 GB RAM, 96 vCPU.
$15732/mo
Enterprise
Multi-region Advanced, private network, BYOK, dedicated support.
Custom
MongoDB Atlas

Free-tier quotas head-to-head

Comparing pg-ebs-nonha-starter on PlanetScale vs m0 on MongoDB Atlas.

MetricPlanetScaleMongoDB Atlas
backups0 backups
ha0 nodes
ops per sec100 ops/sec
ram mib512 MiB
sort memory mb32 MB
storage gb0.5 GB

Features

PlanetScale · 12 features

  • BackupsAutomated daily backups with retention.
  • Database BranchingGit-like branches of your DB schema (not data). Create, diff, merge via deploy r
  • Deploy RequestsSchema changes in a feature branch get reviewed + auto-applied to main with zero
  • HIPAAHIPAA-compliant deployments (Enterprise).
  • Metal (NVMe)Dedicated NVMe local storage. 10x IOPS vs EBS, latency-critical workloads.
  • PgBouncer PoolerManaged PgBouncer for Postgres clusters. Optional dedicated pooler.
  • PlanetScale BoostQuery result cache with sub-ms reads.
  • Point-in-Time RecoveryRestore cluster to any point within retention window.
  • Postgres on PlanetScalePostgreSQL 15+ with the same branching + deploy-request flow. Launched 2024.
  • Query InsightsPer-query performance analytics, slow query tracking, explain plans.
  • Read-only RegionsRoute reads to the nearest region for lower latency.
  • Vitess (MySQL at scale)Horizontally-sharded MySQL (YouTube-scale) — original PlanetScale offering.

MongoDB Atlas · 14 features

  • Atlas App ServicesBackend-as-a-service: Functions, HTTPS endpoints, users + auth, sync.
  • Atlas ChartsEmbedded dashboards + visualizations from Atlas data.
  • Atlas DatabaseCore MongoDB with automated backups, monitoring, scaling on AWS/Azure/GCP.
  • Atlas Data FederationQuery across Atlas, S3, and HTTP endpoints in one pipeline.
  • Atlas Device Sync (Realm)Offline-first mobile DB that syncs bidirectionally with Atlas.
  • Atlas SearchApache Lucene-based full-text search integrated into MongoDB aggregation pipelin
  • Atlas Stream ProcessingContinuous processing of MongoDB change streams + Kafka. Pipeline aggregations o
  • Atlas TriggersDatabase change triggers, scheduled triggers. Run Atlas Functions (Node.js).
  • Atlas Vector SearchVector similarity search via $vectorSearch operator. HNSW index. Up to 4096 dims
  • BYOK EncryptionBring your own KMS key (AWS KMS, Azure Key Vault, GCP KMS).
  • Data APIRead/write via REST. Alternative to drivers for edge/serverless.
  • Multi-Region ClustersSingle cluster distributed across multiple regions for HA + low latency.
  • Online ArchiveTiered storage: automatic cold data movement to cheaper S3-backed storage.
  • Private NetworkingVPC Peering, PrivateLink, CIDR allowlist.

Developer interfaces

KindPlanetScaleMongoDB Atlas
CLIPlanetScale CLI (pscale)Atlas CLI, MongoDB Shell (mongosh)
SDK@planetscale/databaseAtlas Device SDK (Realm), MongoDB Go Driver, MongoDB Java Driver, MongoDB .NET/C# Driver, mongodb (Node driver), mongodb (Rust), pymongo
RESTManagement APIAtlas Admin API, Atlas Data API
MCPPlanetScale MCPMongoDB MCP Server
OTHERMySQL Wire Protocol, Postgres Wire ProtocolMongoDB Compass (GUI), MongoDB Wire Protocol
Staxly is an independent catalog of developer platforms. Some links to PlanetScale and MongoDB Atlas may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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