Node.js vs Bun

Comparison of server side rendering React.

# run Node.js app by
npx ts-node index.node.tsx

# run Bun app by
bun run index.bun.tsx

Details

Both apps is HTTP servers that renders react tree and respond html page:

• Node.js app based on express.
• Bun app base on Bun.serve.

Each server has next routes:

• / - uses renderToString
• /string - uses renderToString
• /stream - uses renderToPipeableStream in Node.js and renderToReadableStream in Bun

Results

Used command:

# for Node.js
ab -n 500 -c 100 http://127.0.0.1:8090/

# for Bun
ab -n 500 -c 100 http://127.0.0.1:8090/

In macos via builtin ab program there is approximately the same number of receipts per second and response speed.