Why lambda is faster than other approaches?

I've been working on some algorithm and discovered that if the

Sort

Sort

function uses a lambda comparer, it is faster than if it uses a comparer type. So I run this test with BenchmarkDotNet and the result really puzzles me. Why is that?
https://gist.github.com/laicasaane/d51193a0a4aff7c6df6c1bb89a66bdc9

Gist

Test Sort with lambda, local function, comparer type - Result.log