Microsoft Azure vs Azure Functions
A detailed comparison to help you choose between Microsoft Azure and Azure Functions.
Quick Verdict
3.6/5
Microsoft Azure
0 reviews
4.0/5
Azure Functions
0 reviews
Azure Functions is rated higher (4.0 vs 3.6). Microsoft claims over 95% of Fortune 500 use Azure (vendor claim, unverified) Azure Functions is Microsoft's serverless platform. 1M free executions/month. Durable Functions for long-running workflows. Best integration with .NET, Microsoft 365, and Azure services.
Microsoft Azure Enterprise cloud — 90% of Fortune 500 use it | Azure Functions Microsoft serverless functions for .NET teams | |
|---|---|---|
| Overview | ||
| Rating | 3.6 (0 reviews) | 4.0 (0 reviews)✓ |
| Pricing model | usage-based | usage-based |
| Starting price | From $6.13/mo | Free tier available✓ |
| Best for | Microsoft-centric enterprises and hybrid Windows estates needing compliance, identity integration, and global regions more than raw compute value | Microsoft/.NET teams building event-driven processing, workflows (Durable Functions), and spiky APIs inside the Azure ecosystem |
| Features | ||
| IPv6 | ✓ | |
| DDoS protection | ||
| Automated backups | ||
| Snapshots | ||
| Managed option | ||
| Bare metal | ||
| GPU available | ||
| S3-compatible | ||
| Hourly billing | ✓ | |
| Free tier | ||
| Tags | ||
| Tags | free tierhourly billingipv6gpu availables3 compatibleeu datacenterus datacenterapac datacenterapi accessterraform providerkubernetes supportwindows availablearm processors | free tierapi accessus datacentereu datacenterapac datacenter |
| Visit Microsoft Azure → | Visit Azure Functions → | |
Microsoft Azure
Pros
- + Deep Microsoft integration: Entra ID, Windows Server/SQL licensing (Hybrid Benefit), Azure Arc hybrid management
- + Tiered availability SLA up to 99.99% across availability zones, with credits up to 100% below 95%
- + Free tier of 750 hours/month for 12 months on B1s, B2pts v2, and B2ats v2 VMs
- + Massive global footprint with EU/US/APAC residency and sovereign clouds
- + Full SKU ladder including N-series GPUs and Arm-based options
Cons
- - List-price price-performance is several times worse than value VPS providers
- - Disks, public IPs, egress, backup, and monitoring all meter separately from the VM
- - Dense portal and vocabulary — real onboarding time for small teams
- - Conditional SLAs: 95% for a single VM on Standard HDD; 99.99% only with your own multi-zone design
- - Production-grade support is a paid tier
Azure Functions
Pros
- + Permanent free grant of 1 million executions and 400,000 GB-s per month
- + Trigger/binding integrations cover most Azure and third-party services declaratively
- + Durable Functions for stateful orchestration — the strongest workflow story among serverless platforms
- + Hosting plan ladder (Consumption, Flex, Premium, Dedicated, Container Apps) covers most cost/performance points
- + 99.95% SLA with service credits scaling up to 100% below 95% uptime
Cons
- - Cold starts on Consumption hurt latency-sensitive HTTP workloads
- - Per-instance limits (1.5 GB RAM, 1 core) cap what single functions can do
- - Azure surface area: storage account, monitoring, identity, and networking costs stack up
- - Bindings and Durable Functions abstractions lock integration logic to Azure
- - Premium costs real money whether or not traffic flows (EP1 ~$146/month US rates)
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