Updated from 3x3090(2x3090, 1x3090TI) to 2x5090

Excerpt

Upgraded from 3x RTX 3090s to 2x RTX 5090s on my homelab server and picked up a solid speed jump on top of it from a software update (speculative decoding + NVFP4). Setup: llama.cpp (build b11216), running Qwen3.8-27B (abliterated, Q8_0). Blue = old 3090 setup, green = new 5090 setup on the same Q8 model, teal = the 5090s again after switching to NVFP4 + speculative decoding. For colorblind folks, the order is: 1 - 3090, 2 - 5090 Q8, 3 - 5090 with NVFP4. One caveat on the "before" numbers: one o