Chips › Apple M3 Ultra: specs, runtimes, measured speeds

Apple M3 Ultra: specs, runtimes, measured speeds

Apple M3 Ultra specs with sources and dates, the runtimes that run on it with evidence, and the configs we measured.

Snapshot 2026-10-15 · 394 configs on AI boxes and 423 on GPU cards · 123 models. Every number is generated from the tracker snapshot and linked to where it was measured; nothing here is typed by hand.

Apple · unified-memory-box. 0 measured configs. Runtimes with an entry: 6.

Specs

• Memory: 512 GB · source (2026-09-23)
• Memory type: LPDDR5 unified · source (2026-09-23)
• Memory bandwidth: 819 GB/s · source (2026-09-23)

More: all configs · hardware · news · contributors · methodology · llms.txt · llms-full.txt · API (OpenAPI) · JSON snapshot. Built by Altronis, private on-prem AI, Singapore.