Minecraft is famous for offering a fantastic gaming experience even at low configurations. Even though Minecraft is a pixel block, it can still be quite resource-heavy. While frame drops and lag spikes are common on low-end PCs, facing them on powerful PCs is unusual.
Many times, lags in PCs are due to heavy mods and shaders. However, sometimes, RAM allocation is at fault as well. Minecraft has a minimum requirement of 4 GB RAM. Sometimes players may experience lag spikes even though they have enough RAM with no mods.
One of the common reasons for game lag and crashes is due to low RAM allocation. Increasing the amount of RAM allocated to Minecraft will help improve game performance.
Guide to allocate more RAM to Minecraft

This article is a step-by-step guide on how to allocate more RAM to Minecraft. Remember to leave enough RAM for the operating system to run properly.
1. Launch the Minecraft Client