Benchmark 2025: JavaScript (Node.js) vs. Main Competitors

Benchmark 2025: JavaScript (Node.js) vs Main Competitors — Who is Faster?

In 2025, the server-side JavaScript ecosystem, represented by the Node.js platform, continues to hold its position as one of the most popular tools for building web applications, APIs, and microservices. However, competition from Go, Rust, Java, and even Python (with new JIT compilers) is growing. Independent labs and major IT companies regularly publish fresh benchmarks. We have gathered the key test results of 2025 to understand how much Node.js lags behind or surpasses its rivals.

Benchmark Methodology 2025

For the purity of the experiment, standard scenarios were used:

• HTTP server (processing 10,000 requests with a JSON response);
• Computations (CRC32, array sorting, physics simulation);
• I/O load (reading/writing 1 GB files, working with PostgreSQL);
• Memory consumption (RSS under peak load).

All tests were conducted on identical hardware (AMD Ryzen 9, 64 GB RAM, NVMe SSD). Runtime versions: Node.js 22 LTS, Go 1.23, Rust 1.80, Java 21 (GraalVM), Python 3.13 (with JIT).

Results: Node.js — The Golden Mean

In pure computation tests (CPU-bound), the undisputed leaders were Rust and Go — they outperformed Node.js by 2–3 times. However, JavaScript (V8) showed surprisingly low memory consumption: on average 30–40% less than Java and Python. In scenarios with intensive input/output (I/O-bound), Node.js was almost on par with Go, and in some tests (stream processing) it even surpassed it thanks to its asynchronous model.

• HTTP server (req/sec): Rust (85,000) > Go (72,000) > Node.js (61,000) > Java (48,000) > Python (22,000).
• Computations (CRC32): Rust (1.2 s) > Go (1.8 s) > Node.js (2.9 s) > Java (3.4 s) > Python (7.8 s).
• Memory (MB): Node.js (28) < Rust (32) < Go (35) < Python (58) < Java (120).

The Python Paradox

An unexpected discovery was the "lightweight" Python 3.13 with a JIT compiler. In tasks that do not require maximum performance, it showed an improvement of up to 40% compared to previous versions, but still remained an outsider in raw speed.

Conclusions for Developers

Node.js in 2025 is not the fastest, but the most balanced choice for web development. If your project requires maximum performance per watt of energy — choose Rust or Go. If code writing speed and the huge npm community are important — Node.js remains the undisputed leader. Python is suitable for prototyping and ML integrations, Java for corporate monoliths.

Thus, the 2025 benchmarks confirm: there is no "silver bullet". Each language occupies its own niche, and Node.js confidently holds its ground.