MongoDB Atlas Cloud vs Neon Serverless Postgres Database

MongoDB Atlas Cloud vs Neon Serverless Postgres Specs
  • Free Tier Allowance
  • Rate Limit Cap
  • Session Lifetime
  • Overage Fee per 1k MAU
Comparison chart between MongoDB Atlas Cloud and Neon Serverless Postgres raw data
MetricMongoDB Atlas CloudNeon Serverless Postgres
Free Tier Allowance512 MB0.5 GB
Rate Limit Cap100 Connections100 Connections
Session Lifetime12 Hours24 Hours
Overage Fee per 1k MAU0.25 USD/GB0.15 USD/GB
Deploy MongoDB Atlas
👉 Free M0 Shared Cluster • 512 MB Storage
Deploy Neon Serverless
👉 0.5 GB Free Postgres • Instant Database Branching
MongoDB Atlas Cloud
MFA Support:
Enforced via MongoDB Cloud Organization MFA and federated identity
Enterprise SSO SAML:
Supported on M10+ and Enterprise with SAML, OIDC, and LDAP federation
Custom Domain Support:
Private endpoints via AWS PrivateLink, Azure VNet, and GCP VPC peering
Supported SDKs:
Node.js, Python, Java, Go, C#, Rust, PHP, Ruby, Swift, Kotlin
Social Providers:
Google, GitHub, and corporate SSO for Atlas organization login
Compliance Standards:
SOC 2 Type II, ISO 27001, HIPAA, PCI-DSS, GDPR, FedRAMP (Atlas for Government)
Webhook Fallback Policy:
Atlas Triggers and EventBridge integrations with configurable retry policies
Neon Serverless Postgres
MFA Support:
Enforced via Neon console two-factor authentication and organization policies
Enterprise SSO SAML:
Available on Scale and Enterprise plans with SAML directory federation
Custom Domain Support:
Private networking and IP allowlists on paid tiers
Supported SDKs:
PostgreSQL wire protocol, Prisma, Drizzle, Node.js, Python, Go, Java
Social Providers:
GitHub, Google, and Vercel OAuth for project provisioning
Compliance Standards:
SOC 2 Type II, GDPR; HIPAA BAA on Enterprise agreements
Webhook Fallback Policy:
Logical replication and external webhooks via application-layer consumers
MongoDB Atlas Cloud
Enable Atlas Search and compound indexes early for catalog filters before traffic scales past the M10 connection tier.
Neon Serverless Postgres
Create a branch per preview deployment and reset from main after schema experiments to avoid polluting production data.