Understanding .NET Core vs .NET Framework: Key Differences

April 6, 2025

Confused about .NET Core vs .NET Framework? You're not alone! Let's break down the key differences to help you choose the right platform for your next project.

🏗 Architecture & Platform Support

✔ .NET Core

Cross-platform (Windows, Linux, macOS)
Modular & lightweight (opt-in NuGet packages)
Open-source (community-driven development)

✔ .NET Framework

Windows-only
Monolithic (bundled framework)
Mature & stable (legacy enterprise apps)

⚡ Performance & Scalability

.NET Core → Optimized for cloud & microservices (faster, lower memory)
.NET Framework → Better for desktop (WPF/WinForms) & legacy systems

🛠 Use Cases

Scenario.NET Core ✅.NET Framework ⚠️Web APIs✔ Best choice✔ Works but olderCloud Apps✔ Optimized❌ Not idealWindows Desktop❌ (Use .NET 5+)✔ WPF/WinFormsLegacy Support❌✔ Required for old systems

🔮 Future of .NET

.NET 5+ (now just called ".NET") unifies Core & Framework
.NET Framework is in maintenance mode (no new features)

🚀 Which Should You Learn?

New projects? → .NET Core (or .NET 5+)
Maintaining old apps? → .NET Framework

Pro Tip: Most new tutorials use .NET Core/.NET 5+ – future-proof your skills!