can-i-run-this-llm

GPU comparison

MacBook Pro / Mac mini M4 Pro (24GB) vs Mac Studio M5 Ultra (256GB) 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.

MacBook Pro / Mac mini M4 Pro (24GB)Mac Studio M5 Ultra (256GB)
Memory24.0 GB256.0 GB
Bandwidth273 GB/s1228 GB/s
Price (approx)$1,999$9,499
LLMs it runs45 of 6460 of 64
Best model it runsQwen3.8 27B · 12–19 tok/sGLM-5.3 Flash (MoE) · 61–91 tok/s

The Mac Studio M5 Ultra (256GB) runs 15 more of the tracked models (60 vs 45), thanks to its 256.0 GB of memory. The Mac Studio M5 Ultra (256GB) has more memory bandwidth (1228 GB/s), so it generates tokens faster at the same model and quant.

What the MacBook Pro / Mac mini M4 Pro (24GB) runs →What the Mac Studio M5 Ultra (256GB) runs →Open the calculator →