can-i-run-this-llm

GPU comparison

Mac Studio M5 Ultra (96GB) vs AMD RX 9070 XT (16GB) 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 M5 Ultra (96GB)AMD RX 9070 XT (16GB)
Memory96.0 GB16.0 GB
Bandwidth1228 GB/s645 GB/s
Price (approx)$5,499$699
LLMs it runs55 of 6445 of 64
Best model it runsQwen3.8 27B · 14–21 tok/sQwen3.8 27B · 38–58 tok/s

The Mac Studio M5 Ultra (96GB) runs 10 more of the tracked models (55 vs 45), thanks to its 96.0 GB of memory. The Mac Studio M5 Ultra (96GB) has more memory bandwidth (1228 GB/s), so it generates tokens faster at the same model and quant.

What the Mac Studio M5 Ultra (96GB) runs →What the AMD RX 9070 XT (16GB) runs →Open the calculator →