While standard Windows 8.1 requires at least 1 GB of RAM (32-bit) or 2 GB (64-bit), Nexus LiteOS is designed to feel much faster on these "minimum" specs: 1 GHz or faster (dual-core recommended). Memory (RAM): 1 GB for 32-bit; 2 GB for 64-bit.
While Nexus LiteOS offers speed, it comes with significant trade-offs that users must consider: Windows 8.1 | Specs, reviews and EoL info - InvGate windows 81 nexus liteos verified
Many "Lite" editions include registry tweaks and power plan optimizations intended to reduce input lag and improve frame rates in games. System Requirements While standard Windows 8
Performance-heavy services like Windows Defender, Windows Search Indexing, and Print Spooler are often disabled by default to free up CPU and RAM. Windows Search Indexing