Eglantine calls its Nintendo Switch 2 emulator very experimental and says Mario Kart World can run at decent or full speed depending on a PC’s specifications and configuration. Separately, El Chapuzas Informático reported that Mario Kart World version 1.8.0 improved from roughly 30–40 frames per second (FPS) to peaks of up to 60 FPS, with fewer stutters. The report did not identify the test PC, settings or measurement method.
What the reported performance covers
The reported figures describe an improvement, not a stated FPS result for every PC. A peak of 60 FPS is the highest rate reported, while the earlier 30–40 FPS figure came with stutters. El Chapuzas Informático also described a branch that adjusts video memory (VRAM) use and applies BC3 texture recompression on graphics cards with less than 12 GB of VRAM. That is a branch-specific behavior described in the report.
Personal accounts vary, too. Reddit commenters have reported 60 FPS with dips, claims of 15–20 FPS, stutters, frame drops and graphical errors. Those accounts do not give comparable PC hardware and settings (r/gamingnews; r/pcmasterrace).
What Eglantine says about compatibility
The Eglantine README makes performance conditional on system specifications and configuration. It describes the emulator as very experimental and says a supported-games list will be published in the future. Eglantine gives no minimum PC specification or compatibility matrix, so the reported peak does not define what another computer will achieve.
What Eglantine is
Eglantine is a free, open-source Nintendo Switch 2 emulator written in C++. Its project description names Eden, Yuzu and Sudachi as its roots and lists builds for Windows, Linux and macOS.
