Node js versus TypeScript fastest programs Always look at the source code. These are only the fastest programs. Do some of them use manually vectorized SIMD? Look at the other programs. They may seem more-like a fair comparison to you. spectral-norm source secs mem gz busy cpu load Node js 1.64 67,912 999 6.11 92% 93% 96% 92% TypeScript 5.38 34,768 441 5.42 0% 0% 100% 0% binary-trees source secs mem gz busy cpu load Node js 7.20 1,282,116 744 20.39 83% 70% 68% 63% TypeScript 10.16 1,021,080 842 30.10 75% 72% 72% 78% regex-redux source secs mem gz busy cpu load Node js 4.82 1,150,424 668 5.90 10% 82% 1% 29% TypeScript 4.85 730,844 680 5.93 10% 1% 29% 82% n-body source secs mem gz busy cpu load Node js 8.60 36,000 1268 8.85 100% 2% 0% 1% TypeScript 8.63 36,004 1293 8.72 100% 0% 0% 0% pidigits source secs mem gz busy cpu load Node js 1.31 36,792 599 1.33 1% 0% 99% 2% TypeScript 1.31 37,156 604 1.32 1% 1% 99% 0% reverse-complement source secs mem gz busy cpu load Node js 2.21 1,534,824 1480 4.62 53% 22% 65% 68% TypeScript Failed mandelbrot source secs mem gz busy cpu load Node js 4.04 95,888 1122 15.91 100% 98% 98% 99% TypeScript Failed k-nucleotide source secs mem gz busy cpu load Node js 15.82 396,716 1812 44.48 63% 47% 81% 90% TypeScript Failed fasta source secs mem gz busy cpu load Node js 1.91 72,004 2047 6.18 81% 88% 78% 78% TypeScript Failed fannkuch-redux source secs mem gz busy cpu load Node js 11.38 65,452 1313 45.00 99% 99% 99% 99% TypeScript Failed Node js v16.8.0 TypeScript Version 4.4.2 node.js v16.8.0 all Node js programs & measurements all TypeScript programs & measurements