AnyCountBenchmark.cs

public class Program
{
    static void Main()
    {
        BenchmarkRunner.Run<Harness>();
    }
}

public class Harness
{
    [Benchmark]
    public bool ArrayAny() => _array.Any();

    [Benchmark]
    public bool ArrayCount() => _array.Count() > 0;

    [Benchmark]
    public bool ListAny() => _list.Any();

    [Benchmark]
    public bool ListCount() => _list.Count() > 0;

    [Benchmark]
    public bool EnumerableAny() => _enumerable.Any();

    [Benchmark]
    public bool EnumerableCount() => _enumerable.Count() > 0;

    public static Guid[] _array
        = Enumerable.Range(0, 100_000).Select(x => Guid.NewGuid()).ToArray();

    public static List<Guid> _list
        = Enumerable.Range(0, 100_000).Select(x => Guid.NewGuid()).ToList();

    public static IEnumerable<Guid> _enumerable
        = Enumerable.Range(0, 100_000).Select(x => Guid.NewGuid());
}