Can't believe I got it working! Dual GPU - 48gb VRAM llama-cpp server - R7900 + 7800XT
User successfully configures llama-cpp server with dual AMD GPUs (R9700 AI PRO + 7800XT) totaling 48 GB VRAM on Kubuntu 24.04. Vulkan works after ROCM failed with RDNA4/RDNA3 mix. $300 power supply investment.