They are not the same
julia> using LinearAlgebra
julia> x = rand(5); y = rand(5);
julia> x ⋅ y
0.9319630238212403
julia> x * y
ERROR: MethodError: no method matching *(::Vector{Float64}, ::Vector{Float64})
They are not the same
julia> using LinearAlgebra
julia> x = rand(5); y = rand(5);
julia> x ⋅ y
0.9319630238212403
julia> x * y
ERROR: MethodError: no method matching *(::Vector{Float64}, ::Vector{Float64})