Performance difference between stackalloc, new byte[] and rented buffers in C#

[ShortRunJob]
[MeanColumn]
[MemoryDiagnoser]
[MarkdownExporter]
public class ArrayOps {

    static ArrayPool<byte> Pool = ArrayPool<byte>.Shared;
    
    [Benchmark(Baseline = true)]
    public void NewBuf() {
        byte[] buffer = new byte[10];
        buffer[0] = 10;
    }
    
    [Benchmark]
    public void Stack() {
        Span<byte> buffer = stackalloc byte[10];
        buffer[0] = 10;

    }

    [Benchmark]
    public void Rent() {
        byte[] buffer = Pool.Rent(10);
        buffer[0] = 10;
        Pool.Return(buffer);
    }
}