Radeon RX 7900 GRE 16GB and RX 480 8GB Vulkan benchmarks llama.cpp

Excerpt

My XFX Radeon RX 7900 GRE 16GB Vram GPU struggles with models over 20B size. I added my Radeon RX 480 8GB Vram GPU to the system and ran a few benchmarks using llama.cpp Ubuntu Vulkan build 10453. https://preview.redd.it/xx5op8tvx4oh1.jpg?width=771&format=pjpg&auto=webp&s=0504b2218030f60a238bfa628bb0b5440a7c5a5c Radeon RX 480 8GB GDDR5: Bandwidth 256.0 GB/s RX 7900 GRE 16GB GDDR6: Bandwidth 576.0 GB/s Here are the models tested, in the order they appear in table: medgemma-27b-it-UD-Q6_K_XL.gguf