Benchmark: Windows 11 vs Lubuntu 26.04 on Llama.cpp (RTX 5080 + i9-14900KF). I didn't expect the gap to be this big.
r/LocalLLaMA
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As a life-long Windows user (don't hate me, I was exposed to it at a young age) I was wondering how much (if any) performance I'm leaving on the table. So I did the sensible thing and run some benchmarks. Setup: OS: Windows 11 25H2 vs Lubuntu 26.04 Engine: Llama.cpp b8929, CUDA 13.1 (downloaded official prebuilt for Windows, compiled myself with CMake on Lubuntu) CPU: Intel Core i9-14900KF RAM: 64GB DDR5 6800 MT/s GPU: RTX 5080 16GB VRAM Drivers: 596.32 (Windows) / 595.x (Lubuntu) The Results (Averaged) I ran a 2500+ token prompt against llama-cli across several different models.