Size differences between `git clone`, `git clone --mirror` and `git clone --depth 1`

Trying to determine how i can only get essential git files when cloning repos and how much of a difference different ways of cloning the repo make on file size and bandwidth used.

git clone

1git clone git@bitbucket.org:myBigRepo/myBigRepo.git

Cloning into 'myBigRepo'...
remote: Counting objects: 78060, done.
remote: Compressing objects: 100% (21470/21470), done.
remote: Total 78060 (delta 58468), reused 74919 (delta 55574)
Receiving objects: 100% (78060/78060), 565.34 MiB | 1.60 MiB/s, done.
Resolving deltas: 100% (58468/58468), done.
Checking out files: 100% (11463/11463), done.

565.34 MiB

git clone –mirror

1git clone --mirror git@bitbucket.org:myBigRepo/myBigRepo.git

Cloning into bare repository 'myBigRepo.git'...
remote: Counting objects: 78060, done.
remote: Compressing objects: 100% (21470/21470), done.
remote: Total 78060 (delta 58468), reused 74919 (delta 55574)
Receiving objects: 100% (78060/78060), 565.34 MiB | 1.28 MiB/s, done.
Resolving deltas: 100% (58468/58468), done.

565.34 MiB

git clone –depth 1 –no-single-branch

1git clone --depth 1 --no-single-branch git@bitbucket.org:myBigRepo/myBigRepo.git

Cloning into 'myBigRepo'...
remote: Counting objects: 19196, done.
remote: Compressing objects: 100% (13449/13449), done.
remote: Total 19196 (delta 9353), reused 14226 (delta 5134)
Receiving objects: 100% (19196/19196), 343.55 MiB | 1.27 MiB/s, done.
Resolving deltas: 100% (9353/9353), done.
Checking out files: 100% (11463/11463), done.

343.55 MiB