PHP versus Node js fastest programs Always look at the source code. These are only the fastest programs. Look at the other programs. They may seem more-like a fair comparison to you. regex-redux source secs mem gz busy cpu load PHP 1.73 162,348 816 3.58 37% 88% 44% 39% Node js 4.76 1,152,392 668 5.82 1% 1% 28% 91% pidigits source secs mem gz busy cpu load PHP 0.91 13,196 399 0.96 2% 0% 3% 100% Node js 1.16 34,980 599 1.21 1% 1% 99% 3% k-nucleotide source secs mem gz busy cpu load PHP 20.15 254,792 1079 69.22 91% 96% 80% 76% Node js 15.48 395,304 1812 42.72 77% 92% 61% 46% binary-trees source secs mem gz busy cpu load PHP 18.64 1,588,704 760 67.29 89% 90% 96% 86% Node js 7.34 1,262,364 744 22.41 75% 84% 72% 75% reverse-complement source secs mem gz busy cpu load PHP 7.06 534,336 446 11.90 14% 49% 40% 65% Node js 2.12 1,525,056 1481 4.38 48% 27% 70% 62% spectral-norm source secs mem gz busy cpu load PHP 7.51 35,364 1152 29.55 99% 98% 98% 98% Node js 1.84 61,080 999 6.15 84% 81% 86% 83% fannkuch-redux source secs mem gz busy cpu load PHP 63.18 44,168 1160 250.98 99% 99% 100% 99% Node js 11.89 61,216 1313 45.33 96% 94% 96% 94% mandelbrot source secs mem gz busy cpu load PHP 24.89 135,480 875 99.12 100% 100% 99% 100% Node js 4.03 89,888 1122 15.89 99% 98% 98% 99% n-body source secs mem gz busy cpu load PHP 71.75 12,072 1082 76.86 3% 1% 2% 100% Node js 8.36 34,332 1268 8.37 0% 0% 0% 100% fasta source secs mem gz busy cpu load PHP 22.82 12,356 1062 24.32 3% 2% 2% 100% Node js 2.02 67,936 2047 6.27 78% 81% 75% 75% PHP PHP 8.0.0 (cli) (built: Nov 26 2020 09:02:29) ( NTS ) Copyright (c) The PHP Group Zend Engine v4.0.0-dev, Copyright (c) Zend Technologies Node js v15.2.1 all PHP programs & measurements all Node js programs & measurements