| Metric | Stock Windows 11 22H2 | Phoenix LiteOS 11 Ultralight | |--------|------------------------|-------------------------------| | Boot time (SSD) | 45 seconds | 18 seconds | | RAM usage at idle | 3.0 GB | 720 MB | | CPU usage at idle | 4–8% | 0–1% | | C: drive after install | 27 GB | 6 GB | | Chrome launch (first time) | 6 seconds | 1.5 seconds | | Latency (DPC) | High spikes | Stable low latency |

The installed size can be as low as 2 GB , significantly smaller than the standard 20-25 GB required for a stock Windows 11 installation.