yarn-compare-npm

npm --version
3.10.10

nodejs 6.9.3

First install

time npm install
real 3m2.031s
user 1m26.748s
sys 0m7.120s

time yarn
real 2m12.113s
user 1m16.160s
sys 0m6.352s

Run recheck (install after first install)

time npm install
real 0m15.646s
user 0m10.364s
sys 0m0.236s

time yarn
real 0m1.234s
user 0m1.244s
sys 0m0.052s

nodejs 6.12.3

First install

time npm install
real 2m43.327s
user 1m37.788s
sys 0m7.548s

time yarn
real 1m36.397s
user 0m26.428s
sys 0m4.984s

Run recheck (install after first install)

time npm install
real 0m14.789s
user 0m11.824s
sys 0m0.204s

time yarn
real 0m1.272s
user 0m1.260s
sys 0m0.056s

nodejs 7.10.1

First install

time npm install
real 2m22.037s
user 1m17.936s
sys 0m6.980s

time yarn
real 1m43.332s
user 0m29.168s
sys 0m5.148s

Run recheck (install after first install)

time install
real 0m14.203s
user 0m11.120s
sys 0m0.232s

time yarn
real 0m1.545s
user 0m1.428s
sys 0m0.068s