The Node.js vs Bun Debate Is More Nuanced Than Benchmark Charts Suggest

Everyone's benchmarking startup time. Nobody's talking about what actually matters in production

Let me tell you what every Node.js vs Bun article gets wrong.

They open with a benchmark. Bun starts in 5ms. Node starts in 50ms. Bun serves 10,000 requests per second. Node serves 3,000. The charts look dramatic. The author concludes "Bun is the future" or "Node.js is still king" — and you close the tab having learned almost nothing useful.

Here's what those articles don't tell you: startup time doesn't matter if your server runs for months. Raw throughput doesn't matter if your bottleneck is the database. And a runtime that can't run half your dependencies doesn't matter how fast it is.

I've worked with both. I've hit the walls in both. This is the comparison I wish someone had written when I started.

First, Let's Be Fair to Both

Node.jshas been around since 2009. It...

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