BadOptimizations vs VulkanMod

BadOptimizations is a free Minecraft mod aimed at client-side frame-rate performance. It uses a multi-loader setup and lists compatibility with Minecraft 1.21.6, 1.21.7 and 26.2. The mod runs on the game client, so its stated performance focus concerns the player’s local installation rather than server operation. Dedicated server support is not provided. Sodium is not required, leaving it independent of that particular mod dependency. The project is distributed through its Modrinth website and has a free plan. Its multi-loader designation is relevant for players whose installations use different supported loader environments. Before installing, players need to match the mod to one of the listed Minecraft versions and to their chosen loader. Server administrators should distinguish this client scope from server-side tools, since the entry lists no dedicated-server capability. BadOptimizations is therefore a client performance option for compatible Minecraft releases, with version and loader compatibility forming the main setup considerations.

VulkanMod is a free Minecraft client mod that replaces the default OpenGL renderer with a Vulkan-based engine intended to improve performance. Its listed optimizations cover terrain rendering, chunk building and entities, alongside reduced CPU and GPU overhead. It also supports native Wayland on Linux and windowed fullscreen mode. Installation requires Fabric, followed by placing VulkanMod.jar in the .minecraft/mods folder, and a GPU with at least Vulkan 1.2 support. The project lists Minecraft versions 1.21.3, 1.21.4, 1.21.5, 1.21.10 and 1.21.11. Shader support is not available, and there is no estimated release date; the README points users to Beryl for shaders. Mods that use OpenGL calls are unsupported, including Sodium, Iris Shaders, Create and Distant Horizons. Release 0.6.0 notes a terrain-rendering improvement when backface culling is enabled, an update checker, and fixes for alpha cutout sampling and a memory leak.