FWIW I get a result similar to yours (~10 s and ~3 s), with:
julia> versioninfo()
Julia Version 1.8.0
Commit 5544a0fab76 (2022-08-17 13:38 UTC)
Platform Info:
OS: Linux (x86_64-linux-gnu)
CPU: 12 × 11th Gen Intel(R) Core(TM) i5-11500H @ 2.90GHz
WORD_SIZE: 64
LIBM: libopenlibm
LLVM: libLLVM-13.0.1 (ORCJIT, tigerlake)
Threads: 12 on 12 virtual cores