Ryzen AI Max+ 395 64GB vs RX 7900 XTX 24GB for Local LLMs
The RX 7900 XTX 24GB has about 347% more memory bandwidth (960 vs 215 GB/s). Batch-1 decode tracks bandwidth closely, so a model that fits both cards should decode roughly 347% faster on the RX 7900 XTX 24GB. The Ryzen AI Max+ 395 64GB fits more of the catalog at Q4/8K — 41 vs 35 of 69 models (48 vs 24 GB VRAM). Largest model that fits the Ryzen AI Max+ 395 64GB but not the RX 7900 XTX 24GB: Qwen3-Next-80B-A3B-Instruct (81.3B). MSRP is $1,500 for the Ryzen AI Max+ 395 64GB vs $999 for the RX 7900 XTX 24GB. MSRP is a launch list price, not live retail — Amazon prices move; click through for the current price. In the Q4/8K head-to-head below (51 shared models), the RX 7900 XTX 24GB posts the higher tok/s in 51 rows vs 0. Methodology.