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 1.71 271,952 816 3.50 37% 75% 43% 50% Node js 4.67 1,115,744 668 5.76 2% 2% 29% 91% pidigits source secs mem gz busy cpu load PHP 0.99 9,116 399 1.01 1% 0% 1% 100% Node js 1.30 36,036 599 1.32 0% 1% 100% 1% k-nucleotide source secs mem gz busy cpu load PHP 24.68 215,640 1079 88.67 93% 81% 96% 89% Node js 15.41 392,344 1812 42.69 45% 93% 61% 78% reverse-complement source secs mem gz busy cpu load PHP 7.30 508,064 438 11.41 2% 30% 55% 69% Node js 2.07 1,520,640 1481 4.26 14% 67% 61% 62% binary-trees source secs mem gz busy cpu load PHP 26.46 1,584,464 751 96.13 85% 97% 91% 90% Node js 5.75 1,221,440 711 19.16 81% 88% 84% 80% spectral-norm source secs mem gz busy cpu load PHP 17.84 24,120 1152 71.08 100% 100% 100% 100% Node js 1.66 62,744 999 6.04 90% 90% 93% 90% fannkuch-redux source secs mem gz busy cpu load PHP 129.48 22,468 1160 514.90 99% 99% 100% 99% Node js 11.54 56,856 1313 45.73 99% 99% 99% 99% fasta source secs mem gz busy cpu load PHP 32.86 8,004 1062 33.02 0% 100% 0% 0% Node js 1.91 67,116 2047 6.13 77% 81% 78% 86% mandelbrot source secs mem gz busy cpu load PHP 73.71 123,856 875 294.40 100% 100% 100% 100% Node js 4.04 87,468 1122 15.91 99% 98% 98% 98% n-body source secs mem gz busy cpu load PHP 221.47 7,836 1082 226.63 1% 100% 1% 1% Node js 8.38 35,220 1268 8.47 1% 0% 100% 0% PHP PHP 7.4.7 (cli) (built: Jun 25 2020 16:42:51) ( NTS ) Copyright (c) The PHP Group Zend Engine v3.4.0, Copyright (c) Zend Technologies Node js v14.8.0 all PHP programs & measurements all Node js programs & measurements