What is the difference between Task.Run and Task.Factory.StartNew?

Question

Accepted Answer

**Task.Run** — simple. **Task.Factory.StartNew** — configurable.

**Task.Run:**
- Simple API.
- Uses thread pool.
- Default options.

**Task.Factory.StartNew:**
- More options.
- TaskCreationOptions.
- TaskScheduler.

```csharp
// Task.Run
var task = Task.Run(() => DoWork());

// Task.Factory.StartNew
var task = Task.Factory.StartNew(
    () => DoWork(),
    CancellationToken.None,
    TaskCreationOptions.LongRunning,
    TaskScheduler.Default);
```

**Key:** Task.Run for simple, StartNew for advanced.

C#: What is the difference between Task.Run and Task.Factory.StartNew?