Apple M5 Ultra

Apple · 256 GB · 1200 GB/s

2 models2 model configurations3 exact recipes

Representative image: Apple M5 family chip — the M5 Pro/Max/Ultra dies are not pictured separately by Apple. — Apple M5 family chip — the M5 Pro/Max/Ultra dies are not pictured separately by Apple. Apple ›

Model configurations

Each card is a model and hardware setup, including any documented host RAM, storage or CPU requirements. Select a recipe to update its speeds, context and exact command.

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2 configurations · 3 recipes

GLM-5.3-Flash

Apple M5 Ultra256 GB1 card per machine · 1 machine

Exact recipe

40.5decode tok/s

559.5prefill tok/s

1024Kcontext

Earlier check · Sep 25, 2026

Full recipe ›

Qwen3.8-27B

Apple M5 Ultra256 GB1 card per machine · 1 machine

omlxMLX oQ4e 4-bit, native MTP, vision

29.2decode tok/s

315.8prefill tok/s

256Kcontext

Earlier check · Sep 25, 2026

Full recipe ›

Speeds are the selected recipe’s recorded measurements, not estimates; “—” means unmeasured. Evidence distinguishes checks on this card, sibling-card checks, earlier checks and publisher reports.

Hardware

Memory	256 GB unified
Bandwidth	1,200 GB/s
GPU cores	64–80
Neural Engine cores	32
Sold in	Mac Studio

Sources: Apple