Zed vs VS Code: One-Eighth RAM Usage | Generated by AI
Same project (jekyll-ai-blog), fresh comparison:
Zed vs VS Code
| Metric | Zed | VS Code |
|---|---|---|
| Processes | 2 | 16 |
| Total RAM | 3,148 MB (3 GB) | 24,190 MB (24 GB) |
| RAM per process | 1.5 GB avg | 1.5 GB avg |
| Main window | 2.9 GB | 7.0 GB |
| Snapshot | Lightweight, native (Rust) | Electron-based, heavy |
Zed uses 1/8th the RAM of VS Code for the exact same project directory.
The difference is architectural:
- Zed is native (Rust/GPUI) — minimal overhead, only 2 processes
- VS Code is Electron (Chromium + Node) — each helper is a sandboxed process, 16 total
If you keep using Zed for lightweight editing on this laptop and save VS Code for your remote machine, you’ll save ~20 GB of memory every time you code.