can-i-run-this-llm

GPU comparison

Mac Studio M3 Ultra (96GB) vs AMD Ryzen AI Max+ 395 “Strix Halo” (64GB) for local LLMs

How the two stack up for running open-source LLMs locally — memory, bandwidth, price, and how many of the 64 tracked models each one can run.

Mac Studio M3 Ultra (96GB)AMD Ryzen AI Max+ 395 “Strix Halo” (64GB)
Memory96.0 GB64.0 GB
Bandwidth819 GB/s256 GB/s
Price (approx)$5,299$1,999
LLMs it runs55 of 6452 of 64
Best model it runsQwen3.8 27B · 17–25 tok/sQwen3.8 27B · 14–21 tok/s

The Mac Studio M3 Ultra (96GB) runs 3 more of the tracked models (55 vs 52), thanks to its 96.0 GB of memory. The Mac Studio M3 Ultra (96GB) has more memory bandwidth (819 GB/s), so it generates tokens faster at the same model and quant.

What the Mac Studio M3 Ultra (96GB) runs →What the AMD Ryzen AI Max+ 395 “Strix Halo” (64GB) runs →Open the calculator →