Dart versus Node js 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. pidigits source secs mem gz busy cpu load Dart 3.37 148,780 500 3.56 11% 33% 23% 39% Node js 6.14 66,508 530 6.25 1% 0% 77% 24% regex-redux source secs mem gz busy cpu load Dart 4.93 883,796 1055 7.75 26% 66% 43% 22% Node js 4.79 1,159,940 668 5.86 91% 2% 1% 29% n-body source secs mem gz busy cpu load Dart 8.73 119,368 1311 8.85 1% 98% 1% 1% Node js 8.39 35,548 1268 8.74 0% 2% 2% 100% fannkuch-redux source secs mem gz busy cpu load Dart 12.45 149,696 1254 44.93 90% 91% 90% 90% Node js 11.97 63,036 1313 45.89 96% 96% 95% 96% binary-trees source secs mem gz busy cpu load Dart 8.82 699,256 887 30.31 84% 86% 88% 86% Node js 6.95 1,309,892 744 21.41 76% 75% 88% 69% k-nucleotide source secs mem gz busy cpu load Dart 24.37 528,468 1520 65.55 67% 69% 47% 86% Node js 15.73 392,924 1812 43.25 91% 62% 75% 47% fasta source secs mem gz busy cpu load Dart 5.26 159,292 1402 5.40 94% 2% 2% 4% Node js 2.04 71,304 2047 6.32 75% 80% 80% 75% mandelbrot source secs mem gz busy cpu load Dart 11.93 223,708 907 32.01 76% 36% 57% 98% Node js 4.04 92,960 1122 15.95 100% 98% 98% 98% spectral-norm source secs mem gz busy cpu load Dart 5.59 124,148 461 5.76 98% 1% 1% 3% Node js 1.84 64,452 999 6.18 83% 86% 83% 83% reverse-complement source secs mem gz busy cpu load Dart 40.85 6,597,368 563 47.85 27% 68% 9% 13% Node js 2.13 1,525,096 1481 4.31 11% 70% 62% 60% Dart Dart SDK version: 2.12.0 (stable) (Thu Feb 25 19:50:53 2021 +0100) on "linux_x64" Node js v15.10.0 all Dart programs & measurements all Node js programs & measurements