Lao Guo's Learning Space
Sep 21, 2026 · Artificial Intelligence
M5 Ultra 256GB: Which LLMs Fit? 27B to 200B+ Capacity Analysis
The article analyzes Apple M5 Ultra 256GB unified memory capacity for local LLM inference, showing Q4-quantized models from 27B to 200B+ fit, but KV cache overhead for long contexts reduces headroom; it compares with multi-GPU setups and advises on purchase decisions.
Apple SiliconHardware AnalysisKV cache
0 likes · 8 min read